| Place name | Origin & meaning | Source |
| Table Island | Small island at the estuary of the Hunter River now part of Kooragang Island. | NHDHS: Ports and People |
| Tacoma | Aboriginal - the small diver or shag | Armstrong,J:Yaccaba and Tomaree |
| Tahlee | Aboriginal - "Tarlee "sheltered from the wind and above water. | NMH 21.07. 1950 |
| Tahlee (House) | After the native name for the rocky point at Carrington on which Dawson (A.A.Co) built his house. | Armstrong,J:Yaccaba and Tomaree |
| Tamboy | Location on the Myall Lakes near the Broadwater where the prawns were caught. | Garland,H: Myall Lake p129. |
| Tanilba Bay | From the combination of two aboriginal words" Tanil" - flannel flower and "ba"- water. | NH 01.04.1981. |
| Tank Street (Morpeth) | Is descriptive of the fact that it is a street with a tank- that is a hollow between the Rectory and the Cemetery by the side of the old Bishopscourt Paddock. | Elkin,A.P: Morpeth and I |
| Taplan Street (Wallsend) | Former name for portion of Lake Road between Thomas & Cowper Streets. | NCC Planning Department. |
| Taree | Aboriginal - where wild figs grow | NMH 11.12.1954. |
| Tarro | Aboriginal - stone. Originally part of the Christie Estate. | Social Sciences TeacherVol13no5 30.11.1983 |
| Tarro Children's School Recreation Area (Tarro) | Tarro - means a stone | Parks MDS A/C:NPMD - 04.01.1988 |
| Taurus Street Reserve (Elermore Vale) | A number of streets in Elermore Vale are named after star constellations. | Parks MDS A/C:NPMD - 04.01.1988 |
| Taylors Beach. | Once called Banks Farm after Captain Banks who was the first to settle there. | Map Reference Key Sheet ( Place Names Folder). |
| Tea Gardens 2 | Derived from the fact that when assisted by a strong north-west wind the early pioneer puntmen were able to reach the riverside location in time for "tea". The gardens came from the gardens tended by the chinese coolies imported by the A.A.Co. | NMH 25.02.1961. |
| Tea Gardens 3 | The name was derived from the widespread occurrence in the region of the Melaleuca tree. | A.A. Company Archives. ANU |
| Tea Gardens. | Named after abortive A.A.Co attempts to grow tea there. | Map Reference Key Sheet ( Place Names Folder). |
| Telarah | A Welsh word for a pit pony; so named by a Welsh miner, a Mr Ralston who worked in a pit near Farley. | NMH 24.12.1953 |
| Telford Street (Newcastle) | After Thomas Telford 1757-1834 engineer | Newcastle - Streets folder |
| Tennant Road (Mount Hutton) | Named after the early family who lived in the street. | Mt Hutton Public School:History of Mt Hutton . |
| Tennyson Street ( Beresfield) | Allegedly named so that subdivider's children wouldn't forget their English literature/science or alphabet | D. Smith, Hawthorne Street Beresfield |
| Teralba | Aboriginal - from the word Teralba meaning "where the edible bush DIRRAWAN grows"+B878. | Lake Macquarie Past & Present. |
| Teralba 2 | May have come from Ranclaud's estate "Trialba" which is latin meaning three white things, pertaining to three local mountains. | Lake Macquarie Past & Present. |
| Teralba Road (Adamstown) | Formerly known as Crown Street. | Adamstown Public School Centenary Booklet 1877 -1977 |
| Terrigal | Aboriginal - many little birds | NMH 23.04.1955 |
| Terry Park (Mayfield West) | Named after Ald Terry who represented the area on council. | NMH 05.07.1961. |
| Tester's Hollow (Maitland) | After William Tester, one of the Hunter River pioneers. | NMH 24.12.1953 |
| Texas | That portion of Carrington bounded by William Street, Throsby Creek mangroves, Port Waratah railway and the harbourside.The settlement expanded in the Depression after initially being developed at the turn of the century. | NMH 19.11.1948. |
| Thalaba | Situated on a tributary of the Williams River. Named after an estate of 1036 hectares granted to C.H.N.Matcham. | Ingle,K: Thalaba Baptist Cemetery Listing |
| Tharwa Road (New Lambton) | Wallarah Road between Womboin and Young Roads. | Gov Gaz No 139 Folio 4607 15.09.1939. |
| The Boulevarde (Toronto) | A wide tree lined street, with seats under trees. | Clack,E: Early History of Toronto. |
| The Branch | An area at Allworth, known as "The Branch". The village that was there took its name from the Branch River, a tributory of the Karuah River. | Engel,B: Tae Gardens - Hawks Nest p50 |
| The Brush | Name by which the early settlers referred to Martinsville signifying the big timber country that commenced on the western boundary of Cooranbong and extended back into the mountains. | Clouten,K: Reid's Mistake. |
| The Camp | Early name for Maitland probably due to the fact that cedar cutting gangs worked in the locality as early as 1804. No permanent settlement was established. | Local Studies Vertical File. |
| The Crescent (Wallsend) | Former name for Drury Street. | Gov Gaz No 58 Folio 1172 16.05.1947. |
| The Dykes | Dyke Wharf referring to an original wharf made out of ballast or stone dyke. Newcastle Harbour. | L.Sumner 23.03.1998. |
| The Folly (Mayfield/Waratah) | An area following the Hunter River from Newcastle on the left bank of the river containing several farms and orchards. | NHDHS Journal Vol 8 p 85. |
| The Glebe | 35 acres of church land just west of The Junction. "Gleba" Latin word meaning "clod of earth" and came to signify " church land." | Adamstown Public School Centenary Booklet 1877 -1977 |
| The Hill | Reference to that portion of the city lying above King Street, but at time of first settlement only given to property lying above Ordinance Street, beyond the Obelisk at the top of Wolfe Street. | Souvenir of Civic Week, 1929 |
| The Huts (New Lambton) | Mentioned in an obituary NMH 28.01.1922 stating that an area in New Lambton c 1866 was known as "The Huts". | NMH 28.01.1992. (Obituary H.Gray) |
| The Junction | The junction of colliery railways from Glenrock Lagoon and from the Glebe (Victoria Gully). After the Junction the railway line travelled to Newcastle beneath Laman Street, across Civic Park and along Burwood Street. | Dixon,J; History of Merewether |
| The Paddock | Corner now occupied by the Criterion Hotel . | Souvenir of Civic Week, 1929 |
| The Plains/ Plains Beach | Early name for Caves Beach. | |
| The Pottery | Reference to Welham's Pottery works in the vacinity. | Dixon,J: History of Merewether. |
| The Terrace (Mayfield) | Bull Street from the western boundary in easterly direction to Bull Street. | NCC PLanning Department. |
| The Terrace (Newcastle) | Brown Street, that portion from Church Street to Bingle Street. | Gov Gaz No 67 Folio 1181 22.04.1949 |
| Therry Street (South Maitland) | After early catholic priest Fr Therry. | MM 15.02.1968. |
| Third Street (Lambton) | Early name for Notley Street between George and Dent Street. | Gov Gaz No 126 Folio 3292 04.11.1955. |
| Thomas H.Halton Park (Croudace Bay) | After the Lake Macquarie Shire Clerk who wrote to the Croudace family asking for the land for a reserve. | NMH 03.08.1978. |
| Thomas Street (Adamstown) | Former name for Date Street between Jefferson Street to Teralba Road. | Adamstown Public School Centenary Booklet 1877 -1977 |
| Thomas Street (Cardiff) | After Thomas McNamara, son of Michael McNamara. | Western Extra March 1979. |
| Thomas Street (Wallsend) | After Mr Thomas, occupant of the first house in the street. | Wallsend Public School Centenary 1862 - 1962. |
| Thor Street (Mayfield) | Portion of Rawson Street between Georgetown Road and Hanbury Street. | Gov Gaz 11.10.1909. |
| Thorn Street (Newcastle) | After Alderman John Thorn | Newcastle - Streets folder |
| Thorne Street (Toronto) | Named after an early resident. | Clack,E: Early History of Toronto. |
| Thornton | After George Thornton M.L.A. | Dixon,J; History of Merewether. |
| Thornton Street (Carrington) | Named in honour of Hon George Thornton MLC Alderman and twice mayor of Sydney. | Carrington Folder - STreets. |
| Threlkeld Reserve | Honours Rev Lancelot Threlkeld who established the Aboriginal Mission at Lake Macquarie. Reserve situtated on Skye Point Road, Coal Point. | NMh 21.09.1978. |
| Thriftdale Estate | Early name for Mount Hutton due to the fact that the Thriftdale Insurance Company had subdivided the area. | Mt Hutton Public School:History of Mt Hutton . |
| Throsby Creek | Named after Dr. Charles Throsby who was appointed surgeon to the convict settlement at Newcastle in 1804. | NMH 07.08. 1950 |
| Throsby Creek Foreshore Park | Developed in 1999 by the Honeysuckle Development Corporation as part of their redevelopment. Situation next to Fisherman's Co-operative in Hannell Street. | NH 07.05.99 p.4 |
| Tickhole | Intersection of Grinsell Street, Lookout and Charlestown Roads. | Robinson's Map of Newcastle LHC912.9442/1 |
| Tighe Street (Wartatah) | From Mr A.A.P.Tighe, son in law of Thomas Grove, Auditor of first Waratah Council and prominent citizen. | Waratah Public School Cent. Book |
| Tighe's Bridge | Early name for Tighes Hill. | NC 09.12.1871. |
| Tighe's Hill | After A.H.P. Tighe, an early resident, who in 1843 bought the estate | Social Sciences Teacher Vol13no5 30.11.1983 |
| Tighes Hill Reserve | The suburb of Tighes Hill was named after A.H.P. Tighe an early resident who in 1843 bought the estate. | NMH 11.12.1954 p.5 |
| Tingira Heights | Aboriginal - open sea. | Lake Macquarie Past & Present. |
| Tingira Heights 2 | After HMAS Tingira, Australia's first naval training ship. | NMH 31.03.1965. |
| Tinonee | Aboriginal- place of the shark | NMH 23.04.1955 |
| Tirrikiba | East Mayfield Aboriginal - place of flame.Area covered from Ingall St to Port Waratah and then to Selwyn St. | LH Map C912.9442/1 Robinson's Map of Ncle 1920. |
| Tobruk Street (Muswellbrook) | To record the battle of W.W.2. Named when a war service loan enabled the subdivision to take place. | NMH 11.12.1976. |
| Tocal | Aboriginal - derived from Tucal meaning big or plenty. | Mitchell,C: Hunter's River. |
| Tocal Road (New Lambton) | Early name for Turton Road. | Gov Gaz No 139 Folio 4607 15.09.1939. |
| Tod Street (Raymond Terrace) | Believed to be named after workers on James King's estate. | Hunter,C: History and Heritage. |
| Tomago | Aboriginal - sweet water | NMH .05.1950 |
| Tomaree | Aboriginal - a high mountain | NMH 11.12.1954. |
| Toohrnbng | Aboriginal name for Ironbark Creek. | Hartley,D:Settlers of the Big Swamp. P5 |
| Tooke Street (Cooks Hill) | Named after Mr. Thomas Tooke, one of the first directors of the A. A. Co. | F. A. Cadell (Newcastle - Streets folder) |
| Top Camp | The local name for Moscheto Island. Residents living there were brought to the island by boat or walking across log bridges. | Stockton Historical Soc Jour Vol 1no 5 p2 |
| Toronto | Named in 1887 by the Excelsior Land and Building Co. in honour of Edward Hanlan, the champion sculler of the world who hailed from Toronto, Canada and who arrived in N.S.W. at the time of the subdivision. | Lake Macquarie Past & Present. |
| Toronto Promenade 1 | Area of public reserve on what is now Victory Parade which was redeveloped. | NMH 22.03.1923. |
| Toronto Promenade 2 | Redeveloped railway goods yard taking the former historical name. | NMH 26.09.1979. |
| Torpey Street (Mayfield) | Portion of Woodstock Street from Bull Street in northerly direction. | NCC Planning Department. |
| Tourle Street (Mayfield) | To honour Thomas Tourle, an early resident in the area. | NMH 20.01.1960. |
| Townhead Park (Singleton) | On the southern approach to town, features the Quota Bi-Centennial Sensory Garden, the Matilda Tank and picnic shelters. | Singleton Municipality & Shire 1866 - 1991. |
| Tracey Palmer Lookout (Bungwahl) | Named after a daughter of James and Lydia Palmer who died at the age of 7 years. Her interest in the lookout project was the reason for naming the lookout after her. | Garland, H: Myall Lakes P 145. |
| Traise Street (Lambton) | In honour of Ald Norman Traise, of Waratah who served on the Newcastle Council. | NMH 06.01.1976. |
| Tranpane Village Reserve | A village just east of the present village of Boolambayte. Later became known as Boolambayte. | Garland, H: Myall Lakes P 77 |
| Trevellyan | After a place near Gresford, England | NMH 11.12.1954. |
| Trunk Road (Jesmond) | No 82 Robert Street to Steel Street | Gov Gaz No 1 Folio 1 04.01.1952. |
| Tucker Park (Paterson) | Named after John Tucker, 1852 -1939 who farmed all his life in the Paterson area, also a naturalist and historian. | Paterson Historical Society. |
| Tudor Street (Hamilton) | After some of the first residents who attended a meeting to form the Municipal Council for Hamilton in 1871. | Hamilton Municipal Jubilee Souvenir |
| Tuggerah | Aboriginal - cold | NMH 23.04.1955 |
| Tulloch Avenue (Maryland) | After a famous racehorse in keeping with the fact that the area was the former Wallsend Jockey Club's racecourse.. | NSun 28.05.1976. |
| Tully Street (Carrington) | After a former Minister for Lands. | Carrington Folder - Streets. |
| Tuncurry | Aboriginal- plenty of fish. Came into common usage in 1875. First known as North Forster. | NMH 17.09.1985. |
| Turnbull Street | After A. A. Co. official | Newcastle - Streets folder |
| Turnbull Street ( Hamilton) | After Edward Turnbull a member of the first Municipal Council for Hamilton. | Hamilton Municipal Jubilee Souvenir |
| Turnbull Street (New Lambton) | Earlier name for Gloucester Avenue between Monash Road and Rex avenue. Also for that portion of Rex Avenue between Turton Road to Marine Avenue. | Gov Gaz No 106 29.06.1951. & Gov Gaz No 39 Folio 1257 08.03.1940. |
| Turner Street (Waratah) | Mr Mr C.Turner, Alderman of first council. | Waratah Public School Cent. Book |
| Turrana Crescent (Rankin Park) | Aboriginal - boomerang. | Lake Macquarie & District Historical Society feb 1970. |
| Turton Road (Waratah) | Mr Mr. H.Turton, First Mayor of Waratah. | Waratah Public School Cent. Book. |
| Turton Road Reserve (Waratah) | The reserve takes its name from Turton Rd which takes its name from Mr H Turton, first mayor of Waratah. | "Waratah Public School Centenary 1864 - 1964". |
| Tuxford Park (Shortland) | Named after Cecil Ray Tuxford, secretary of Shortland Progress Association for 18 yrs | NMH 31.05.1959 |
| Twickenham Downs | Early name for Merton. | Nsun 23.06.1966 |
| Tyrell Street (Newcastle) | After Dr. Tyrell, Bishop of Newcastle; formerly called Sydney Street | Newcastle - Streets folder |
| Tyrrell Street (Wallsend) | After Bishop TYrrell, first Bishop of Newcastle. | Wallsend Public School Centenary 1862 - 1962. |