| Father | Male Michael P. Smithwick |
| Born | 10 Jan 1844 | IE |
| Died | 26 Mar 1912 | Brooklyn, NY, US |
| Buried | 30 Mar 1912 | Holy Cross Cemetery, 3620 Tilden Ave, Brooklyn, NY, US |
| Married | ||
| Father | William Smithwick | F613 Group Sheet | |
| Mother | Margaret Hickey | F613 Group Sheet | |
| Child 1 | Male William H. Smithwick |
| Born | Abt 1872 | Brooklyn, NY, US |
| Died | Brooklyn, NY, US |
|
| Buried | 22 Mar 1957 | Holy Cross Cemetery, 3620 Tilden Ave, Brooklyn, NY, US |
| Child 2 | Male James J. Smithwick |
| Born | Abt 1875 | Brooklyn, NY, US |
| Died | 23 Sep 1900 | Brooklyn, NY, US |
| Buried | 26 Sep 1900 | Holy Cross Cemetery, 3620 Tilden Ave, Brooklyn, NY, US |
| Child 4 | Female Rebecca L. Smithwick |
| Born | 15 Aug 1880 | Brooklyn, NY, US |
| Died | 25 May 1912 | Brooklyn, NY, US |
| Buried | 28 May 1912 | Holy Cross Cemetery, 3620 Tilden Ave, Brooklyn, NY, US |
| Child 5 | Male John Alphonsus Smithwick |
| Born | 22 Apr 1883 | Brooklyn, NY, US |
| Died | ||
| Buried | 18 Mar 1961 | Holy Cross Cemetery, 3620 Tilden Ave, Brooklyn, NY, US |
| Child 6 | Female Frances A. Smithwick |
| Born | May 1886 | Brooklyn, NY, US |
| Died | ||
| Buried | 28 Nov 1969 | Holy Cross Cemetery, 3620 Tilden Ave, Brooklyn, NY, US |
| Child 7 | Male + Edgar Joseph Smithwick |
| Born | 29 Sep 1888 | Brooklyn, NY, US |
| Died | ||
| Buried | ||
| Spouse | Mary | F1066 | |
| Married | ||
+ Vincent A. Smithwick |
| Born | 29 Mar 1891 | Brooklyn, NY, US |
| Died | 7 Aug 1973 | East Farmingdale, Suffolk, NY, US |
| Buried | Long Island National Cemetery, 2040 Wellwood Ave., Wyandach, NY, US |
|
| Spouse | Harriet L. Borden | F1067 | |
| Married | Abt 1921 | |