| Name | 
William Thomas Grennan  | 
| Born | 
17 May 1906  | 
Bristol, CT, US    | 
| Gender | 
Male  | 
| Census | 
19 Apr 1910  | 
179 Maple Street, Bristol, CT, US    | 
| Census | 
21 Jan 1920  | 
66 Stewart Street, Bristol, CT, US    | 
| Census | 
3 Apr 1930  | 
66 Stewart Street, Bristol, CT, US    | 
| Census | 
Apr 1940  | 
66 Stewart Street, Bristol, CT, US    [1]  | 
| Died | 
1953  | 
Bristol, CT, US    | 
| Person ID | 
I2567  | 
Smithwick Family Tree | 
| Last Modified | 
13 Dec 2017  | 
| Father | 
Michael Joseph Grennan,   b. Apr 1870, Co. Offaly, IE  ,   d. 13 Sep 1926, Bristol, CT, US    (Age 56 years)  | 
| Mother | 
Mary Ellen Galvin,   c. 1 Jul 1865, Ballinahown Parish, Co. Westmeath and Offaly, IE  ,   d. 3 Feb 1951, Bristol, CT, US    (Age ~ 85 years)  | 
| Married | 
25 Jan 1893  | 
Bryn Mawr Chapel, Bryn Mawr, PA, US    [2]  | 
| Family ID | 
F890  | 
Group Sheet  |  Family Chart |