| Name | John Patrick Grennan | |
| Born | 8 Jun 1894 | Ardmore, PA, US    | 
| Gender | Male | |
| Census | 23 Jun 1900 | 134 Queen Street, Bristol, CT, US    | 
| Census | 19 Apr 1910 | 179 Maple Street, Bristol, CT, US    | 
| Census | 4 Apr 1930 | 65 Wooding Street, Bristol, CT, US    [4]  | 
| Census | 12 Apr 1940 | 60 Rustic Terrace, Bristol, CT, US    [5]  | 
| Died | 12 Dec 1965 | Bristol, CT, US    | 
| Buried | St. Joseph Cemetery, Bristol, CT, US    | 
|
| Person ID | I2566 | Smithwick Family Tree | 
| Last Modified | 12 Dec 2017 | |
| Father | Michael Joseph Grennan,   b. Apr 1870, Co. Offaly, IE  | |
| Mother | Mary Ellen Galvin,   c. 1 Jul 1865, Ballinahown Parish, Co. Westmeath and Offaly, IE  | |
| Married | 25 Jan 1893 | Bryn Mawr Chapel, Bryn Mawr, PA, US    [6]  | 
| Family ID | F890 | Group Sheet | Family Chart | 
| Family 1 | Pauline E. Zinker,   b. Abt 1897, Germany  | |||||||||
| Children | 
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| Last Modified | 12 Dec 2017 | |||||||||
| Family ID | F952 | Group Sheet | Family Chart | ||||||||
| Family 2 | Mae Canfield,   b. Abt 1900, MA, US  | |
| Last Modified | 12 Dec 2017 | |
| Family ID | F953 | Group Sheet | Family Chart | 
| Headstones | John Grennan - gravestone | 
| Sources | 
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