| Father | Male Edward Williamson |
| Born | ||
| Died | ||
| Buried | ||
| Married | 9 Nov 1865 [1] | Croaghmore Presbyterian Church, Araboy, Co. Antrim, NI [1] |
| Father | ||
| Mother | ||
| Child 1 | Female + Margaret Williamson |
| Born | 25 Feb 1866 | Bushmills, Billy Parish, Co. Antrim, NI |
| Died | ||
| Buried | ||
| Spouse | Alexander Howard | F1026 | |
| Married | 27 Sep 1900 | Croaghmore, Ballintoy Parish, Co. Antrim, NI |
| Child 2 | Female + Rose Williamson |
| Born | 3 Mar 1874 | Portballintrae, Bushmills, Billy Parish, Co. Antrim, NI |
| Died | 17 Sep 1916 | Croaghbeg, Ballintoy Parish, Co. Antrim, NI |
| Buried | ||
| Spouse | Henry McIntyre | F3598 | |
| Married | 14 Apr 1903 | Croaghmore Presbyterian Church, Araboy, Co. Antrim, NI |
| Child 3 | Female + Martha Williamson |
| Born | 15 Jan 1877 | Drumnagee, Ballintoy Parish, Co. Antrim, NI |
| Died | 4 May 1945 | Eureka, CA, US |
| Buried | Sunset Memorial Park, 3975 Broadway St, Eureka, CA, US |
|
| Spouse | Vincent Getty | F2658 | |
| Married | 13 Dec 1905 | Croaghmore Presbyterian Church, Araboy, Co. Antrim, NI |
| Child 4 | Female + Esther Williamson |
| Born | 18 Sep 1882 | Drumnagee, Ballintoy Parish, Co. Antrim, NI |
| Died | 7 Mar 1966 | Ridley Park, PA, US |
| Buried | Arlington Cemetery, Drexel Hill, PA, US |
|
| Spouse | Robert Thompson | F877 | |
| Married | 3 Dec 1915 | Croaghmore, Ballintoy Parish, Co. Antrim, NI |