| Name | aka | Birth date | Birth location | Marriage date | Marriage location | Death date | Death location |
| Godwulf | Gudólfr | | | | | | |
| Catherine Louise Goldthwaite | | | | | | | |
| George Goldwyer | | | | | | | |
| Martha Goldwyer | | | | | | | |
| Frank Gonzales | | | | | | | |
| Harriet Louise Gonzales | | August 7, 1901 | | | | May 7, 1954 | Pasadena, California |
| James Detchon Gonzales | | November 30, 1905 | | | | | |
| Barbara Gorell | | | | | | | |
| Gormflaeth ingen Murchada macFinn | | | | | | 1030 | |
| Goronwy ap Owain | | 1073 | Tegaingl, Wales | WFT Est. 1092-1124 | | WFT Est. 1114-1164 | |
| Rymel Verch Goronwy | | 1111 | Tegaingl, Wales | WFT Est. 1139-1173 | | WFT Est. 1146-1206 | |
| Gospatrick, Earl of Northumberland | | 1040 | Northumberland, England | Abt. 1057 | | December 15, 1072 | Ubbanford, Scotland |
| Grace | | WFT Est. 1466-1505 | | WFT Est. 1500-1540 | | WFT Est. 1500-1589 | |
| Francis Marion Green | | December 23, 1840 | Tennessee | | | | |
| Laura Ida Green | | June 5, 1875 | Davidson County, Tennessee | | Davidson County, Tennessee | July 23, 1933 | Nashville, Tennessee |
| Caroline Merritt Greene | | | | | | | |
| Clark Red Gregg, M.D. | | August 29, 1946 | Houston, Texas | November 23, 1977 | Nashville, Tennessee | | |
| Dorothy Alleyne Gregg | | June 15, 1984 | Nashville, Tennessee | | | | |
| Lucile Parker Gregg | | February 21, 1986 | Nashville, Tennessee | | | | |
| Unknown Gregory | | | | | | | |
| Hugh Grentmenil II | | 1092 | Hinckley, Leicester, England | WFT Est. 1111-1143 | | WFT Est. 1136-1184 | |
| John Grey | | WFT Est. 1278-1349 | | WFT Est. 1324-1384 | | WFT Est. 1324-1424 | |
| Maud Grey | | WFT Est. 1310-1373 | | WFT Est. 1345-1402 | | WFT Est. 1345-1452 | |
| Elizabeth Greystock | | WFT Est. 1410-1433 | | WFT Est. 1441-1474 | | WFT Est. 1441-1517 | |
| Gruffydd ap Cynan, Prince of Gwynedd | | 1054 | Ireland | WFT Est. 1093-1123 | | 1136 | Wales |
| Gruffydd ap Llywelyn, Prince of Deheubarth | | | | Abt. 1050 | | 1063 | |
| Nest Ferch Gruffydd | | | | | | | |
| Susanna Verch Gruffydd | | 1095 | Gwynedd, Wales | WFT Est. 1123-1152 | | WFT Est. 1136-1190 | |
| Guido Guillaume VIII | | 1020 | Aquitaine, France | WFT Est. 1058-1082 | | 1087 | |
| Gundred | | 1063 | Normandy, France | 1077 | | May 27, 1085 | Castle Acre, Norfolk |
| Gunnor | | | | | | | |
| Gunnor of Crępon | | | | | | 1031 | |
| Guy II, Count of Ponthieu | | WFT Est. 1085-1124 | | WFT Est. 1125-1146 | | 1147 | |
| Gwair ap Dwywg | | | | | | | |
| Gwawl | | | | | | | |
| Efnydd ap Gwerny, Lord of Duffryn | | | | | | | |
| Gwladus DDU "the Dark" | Llewelyn, Gwladys Verch | 1194 | Gwyneed, Wales | 1230 | | 1251 | |
| Gwriad of Man, King of Gwynedd | | | | | | 825 | |
| Gwrst ap Ceneu | | | | | | | |
| Haer | | | | | | | |
| Baldwin II of Hainault, Count of Hainault | | | | | | 1098 | |
| Sitric Halfdansson, King of Dublin | Halfdansson, Sigtryggr | | | | | 896 | |
| Ann Hall | | | | | | | |
| Christian Hall | | | | | | | |
| Elizabeth Hall | | | | | | | |
| John Hall | | | | | | | |
| Joseph Hall | | | Exeter, New Hampshire | | | | |
| Judge Kingsley Hall | | | | | | | |
| Mary Hall | | | | | | | |
| Mercy Hall | | | | | | | |