| Place name | Origin & meaning | Source |
| Galgabba | Aboriginal - Swansea. | Lake Macquarie Past & Present. |
| Gamay Close (Muswellbrook) | Wine industry theme. | Muswellbrook Chronicle 28.01.1983. |
| Gan Gan | Aboriginal - top or surface of sand hills | NMH 24.12. 1995 |
| Gangat | Some say from " gangan",a precipice: others say the word means "white-breasted fish hawk". | Gilbert,L: History of Nabiac and District. |
| Garden Suburb | Subdivision of Hamilton South called "Garden Suburb Estate". | NMH 24.12. 1976 |
| Garden Suburb (Lake Macq) | Received its name at the time of the subdivision from the garden city movement then in vogue in England. | Lake Macquarie Past & Present. |
| Garfield Street (Wallsend) | Both christian names of sons of Mrs. Hughes, from whom the N.S.W. Housing Commission purhcased land in 1947. | Wallsend Public School Centenary 1862 - 1962. |
| Garrett Street (Carrington) | After Thomas Garrett elected an Alderman on 21.05.1887. | Carrington Folder - Streets. |
| Gateshead | After Gateshead in the county of Durham, Newcastle-on-Tyne, probably by Mr W.T.Verge in 1876. | Lake Macquarie Past & Present. |
| Gavey Street (Waratah) | After Mr O.Gavey, Town Clerk, Waratah 1919 - 20. | Waratah Public School Cent. Book. |
| Genena Hill | Early name for that area north of the Myall Lakes that later became known as Violet Hill. | Garland,H: Myall Lakes p 77. |
| Geordie Town | Original name for Georgetown possibly because of the people from the north of England brought over to work at the English and Australian Copper Smelters, the site occupied now by A. Gonian & Co Ltd. | Social Sciences Teacher Vol13.no5.30.11.1983 |
| Geordietown (Weston) | Name given to the locality when the ovferseas miners settled thereabouts in the 1890's. | NMH 20.07.1950. |
| George Booth Drive (Edgeworth) | Named after George Booth who held the seat of Kurri for N.S.W. Parliament between 1927 - 1960. | Docherty,J: Newcastle, Making of an Industrial City. |
| George Michael & Arthur Streets Reserve (Lambton) | George St. named after a king of England | Lambton Public School Centenary Celebrations Souvenir Brochure |
| George Street (Lambton) | From the Kings of England. Early name for Heaton Street, Jesmiond. | Lambton Public School Centenary Brochure. |
| George Street (Mayfield) | Omara Street from Maitland Road to Mounter Street. | NCC Planning Department. |
| George Street (Muswellbrook) | After King George I. | Muswellbrook Chronicle 28.01.1983. |
| George Street (Newcastle) | Name given to Bolton Street in the colonial settlement of Newcastle in Commandant Morisset's time. | NHDHS Journal Vol 7 p 187. |
| Georgetown | Named after George Moate. one of the owners of the area who subdivided the estate. | Social Sciences Teacher Vol13.no5.30.11.1983 |
| Georgeville | Area of Islington bounded by the Islington Park extending to Albert St. Wickham. | Robinson's Map of Newcastle LHC912.9442/1 |
| Gerrish Drive (Rankin Park) | Vice President of Lake Macquarie Shire and Cardiff identity and publisher. | Lake Macquarie & District Historical Society feb 1970. |
| Gibson Street (Newcastle) | After Ald. Robert Gibson 1920; previoulsy that portion of King Street between National Park Street to Auckland Street. | Gov Gaz 13.12.1968 |
| Giggins Street (Mayfield) | Omara Street north of Mounter Street. | NCC Planning Department. |
| Gillies Street (Telarah) | Named after John Gillies Member of Parliament(1891 - 1911) and former Mayor of Maitland. | Walsh,B: Maitland on the Hunter p68 |
| Gillieston | After John Gillies, Mayor of West Maitland, 1888 | NMH 11.12. 1954 |
| Gillieston Heights | Suburb of Maitland named after John Gillies who was member for Maitland in NSW Parliament (1891 - 1911) and former Mayor of Maitland.. | Walsh,B: Maitland on the Hunter p68 |
| Gipps Street (Carrington) | After Sir George Gipps Governor of N.S.W. 1837 -1846. | Carrington Folder - Streets. |
| Glad Gunson Drive (Elebana) | Named after developer of the suburb and founder of the area's first Lions Club | NMH 24.12. 1995 |
| Glandville | Early name for Ash Island. | Mitchell,C: Hunter's River. |
| Glebe | Area traditionally granted to the Church of England for the purpose of earning an income independant of government grants. Location of Merewether between Morgan Street and Glebe Road. | Social Sciences Teacher Vol13.no5. 30.11.1983 |
| Glebe Road (Adamstown) | The road to " the Glebe". | Adamstown Public School Centenary Booklet 1877 -1977 |
| Glebe Road (Merewether) | Formerly a lane joining Railway Street and the Glebeland. | Dixon,J: History of Merewether. |
| Glebe Street (Merewether) | Early name for Allworth Street between Railway and Wilton Streets. | Gov Gaz No 113 Folio 2185 14.07.1950. |
| Glen Mitchell | Name sometimes given to the Quigley Estate in the 1880's.The estate was offered for sale in the 1890's under this name. | Teralba History Notes. |
| Glen Morgan | Original name for Medowie given by Daniel James after an area in Wales. | NMH 04.07.1950 |
| Glen William | Named after the property "Glen William" owned by William Millar, the first grant holder in the area. | Glen William School Sesquicentenary Book P 5 |
| Glenbawn Place (Muswellbrook) | Dam on Hunter River. | Muswellbrook Chronicle 28.01.1983. |
| Glendale | Glen is scottish for a valley between hills, usually with trees, and dale is English for the same. Combination of the two words. | Lake Macquarie Past & Present. |
| Glendon | Named by Robert and Helena Scott after their home in Scotland | NMH 11.12. 1954 |
| Glenelg Street (Raymond Terrace) | Baron Glenelg was the Colonial Secretary under Lord Melbourne from 1835 - 1839. Named in his honour. | Hunter,C: History and Heritage. |
| Glennies Creek | Name after the Rev Alfred Glennie, an early pioneer of the area. | NMH 16.09.1973. |
| Glenrock Lagonn | Name given to the area by the early settlers from "Glen" meaning narrow valley and the rocky nature of the glen. | Grothen,J: History in & about Glenrocok p 9 |
| Glenroy Street (Thornton) | Named after "Glenroy" the property at Karuah of William Longworth who subdivided the old town of Thornton- the 1st portion. | Australasian Society of Patriots Twelfth Annnual Report |
| Gloaming Close (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. |
| Gloucester | After the cathedral city in England | NMH 24.12. 1995 |
| Glovers Lane (Cooks Hill) | Named after Mrs Bertha May Glover, who lived in Dawson St and had attended Council meetings every Tuesday night for many years. Lane was named in her honour in 1976. | NMH 02.01.1976. |
| Glover's Lane (Cooks Hill) | After Mrs Bertha Glover who lived in Dawson Street for 50 years. The lane once formed part of the Burwood Railway line between Laman and Bull Streets. | NMH 02.01.1976. |
| Goat Hill | Name for the Pit-town area of Wallsend possibly in reference to the fact that goats were numerous in and appeared to be wild ones. | N Sun 23.04.1924. |
| Goat Island | Small island at the estuary of the Hunter River now part of Kooragang Island. | NHDHS: Ports and People |
| Goat Island ( Carrington) | Island 700 metres off shore from historic Carrington, north of Karuah, also known as White and Garden Island. | NH 16.12.2000 p 3 |
| Godwin Street(Forster) | Named after George Garlick Godwin an early settler in the area | Wright,J:History of Forster p35 |
| goldfinch | | |
| Goldfinch Street (Merewether) | After an old resident. Now called Caldwell Street. | Dixon,J: History of Merewether. |
| Goldingham Street (Tenambit) | After an early postmaster at East Maitland. | MM 15.02.1968. |
| Golf Course Reserve (Merewether) | The club leased land from the Merewether estates on 1th Aug 1933. The club purchased 54 acres before the second lease expired.. On 9th Aug. 1933 the name Merewether Golf Club was chosen to honour the Merewether family. | NS 01.09.1959 |
| Goose Flat (Cooks Hill) | An area at the western end of Queen Street containing playing fields also known by the name Prossers Green. | NHDHS Journal Vol 8 p95. |
| Gordon Street (Hamilton) | That portion of Gordon Avenue between Tudor and Cleary Streets. | NCC Planning Department. |
| Gorokan | Aboriginal - dawn, the morning | Lake Macquarie Past & Present. |
| Gorton Street (Rankin Park) | After Australian Prime Minister. | Lake Macquarie & District Historical Society feb 1970. |
| Goruk Close (MUswellbrook) | After a property owned by the Gilder family for 25 years. Originally part of "Edinglassie". Aboriginal - magpies. | Muswellbrook Chronicle 28.01.1983. |
| Gosford Road (Adamstown) | Formerly called William Street. | Adamstown Public School Centenary Booklet 1877 -1977 |
| Gosforth | After a suburb of Newcastle-on-Tyne, England. | NMH 24.12.1953 |
| Gostwyck. | Named after William Gostywck Cain who led the expedition in 1935 -36 that reached and selected land near the New England area of Armidale. | NMH 29.07.1950. |
| Government Reserve | Early name used for Clarencetown and Seaham. | Ford,R; Williams River p 49. |
| Government Road (Mayfield) | Early name for Crebert & Kerr Streets. | NCC Planning Department. |
| Grace Avenue (Martins Creek) | Mr Grace was an early councillor on the Wallarobba Shire Council. | MM 06.02.1969. |
| Grafton Avenue (Rankin Park) | Former coastal vessel on the North Coast Run. | Lake Macquarie & District Historical Society feb 1970. |
| Graham Street (R.Terrace) | Street drawn up in the 1835 plan of Raymond Terrace. | Hunter,C: History and Heritage. |
| Grainger Street (Lambton) | After Charles Grainger Secretary of the Scottish-Australian Coal Company . | Hoy,E: History of Lambton/New Lambton |
| Grainger Street (New Lambton) | Early name for Chiplin Street, New Lambton. | NCC Planning Department. |
| Green Hill | Name given by Lt Shortland to Raymond Terrace, later use ceased and the term Raymond Terrace became common use. | N Sun 06.05.1970 & Harry Boyle 26.05.98 |
| Greenhills | Early name for Morpeth, given by Lt Close when he received his land grant.Close was supposed to call his grant "Upper" and "Lower" Greenhills. | Souvenir of Civic Week, 1929 & Harry Boyle 26.05.98 |
| Gregory Parade (New Lambton) | Earlier name for Grinsell Street,Kotara. | Gov Gaz No 86 Folio 1743 25.07.1947. |
| Gregson Avenue Reserve (Hamilton) | Named after Jesse Gregson, superintendent of the A.A. Co. - 1903 | NMH 09.12.1921 |
| Gregson Park (Hamilton) | A public reserve given to the city by the A.A.Co when subdividing Hamilton and named in honour of Jesse Gregson, a company official. | Docherty,J: Newcastle, Making of an Industrial City. |
| Grenton | Early proposed name for Awaba School in 1891 but school closed in 1894. The building remained until 1901 when it was moved to Morisset. | Saxon,D: Pit Props and Sleepers. |
| Gresford | After a town on the River Alyn, near Chester, England | NMH 11.12. 1954 |
| Greta Road (New Lambton) | That portion of Bridges Road between Lambton and St James Roads. | NCC Planning Department. |
| Greville Island | One of the islands in the group also including Ash, Dempsey, Moscheto. Named after Hon Charles Francis Greville by Ensign Barrallier. | Goold,W: Birth of Newcastle p 8 |
| Greville Street (Beresfield) | Allegedly named so that subdivider's children wouldn't forget their English literature/science or alphabet | D. Smith, Hawthorne Street Beresfield |
| Grevillea Street (Muswellbrook) | Native flora. | Muswellbrook Chronicle 28.01.1983. |
| Grey Street (Mayfield) | Croydon Street from Havelock Street in westerly direction. | NCC Planning Department. |
| Griffith Park (Stockton) | Named after Ald. Timothy Griffiths who served on Stockton Council from 1889 till 1934. | Parks MDS A/C:NPMD - 04.01.1988 |
| Griffiths Road (Waratah) | Earlier name for Acacia Avenue between the present Griffiths Road to Greystone Street. Named after Mr A, Griffiths, Mayor 1918 - 1921. | NCC Planning Department. |
| Griffiths Street (Stockton) | Former name for Punt Road. Named after Ald Timothy Griffiths and former mayor. | Gov Gaz No 71 Folio 2537 25.05.1979. |
| Gross Street (Tighes Hill) | Industrial drive from William to Hannell Streets. | NCC PLanning Department. |
| Grove Street (Waratah) | To honour Thomas Grove who started mining for coal in the Braye Park area. | NSun 13.09.1950. |
| Groves Road (Lambton) | After Thomas Grove, the discoverer of coal in the Waratah Hills in 1860. | Lambton Public School Centenary Brochure. |
| Grovetown | Early name for Waratah | Lambton-New Lambton Advertiser 17.2. 1986 |
| Gully Line. | Originally given to a private railway line owned by the Caledonian Collieries Ltd. Ran from the Charlestown gully and crossed Lambton Rd at Broadmeadow before continuing on to the harbour wharves. | NMH undated. |
| Gully Pit | Early name for Charlestown. The South Waratah Colliery's first shaft was known as Charles"Pit. | NH 20.07.2000 (Supplement p 12) |
| Gummum Plains | Earlier name for Merriwa. This was aboriginal meaning "pulling leg". | |
| Gundy | Aboriginal - a camp | NMH 11.12. 1954 |
| Gungal | Aboriginal - bullrushes | NMH 23.04.1955 |
| Gunsynd Close (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. |
| Gyarran Street (Muswellbrook) | After Andrew Bowman's property. Aboriginal - muscle creek. | Muswellbrook Chronicle 28.01.1983. |