1821 - Yes, date unknown
 | William UNDERWOOD 1840-1842 |
| William UNDERWOOD | |
| B: | 25 Dec 1840 |
| D: | 5 Sep 1842 |
| Alice UNDERWOOD 1842-1844 |
| Alice UNDERWOOD | |
| B: | 4 Sep 1842 |
| D: | 2 May 1844 |
| Isaac UNDERWOOD 1844-Yes, date unknown |
| Isaac UNDERWOOD | |
| B: | 4 Apr 1844 |
| D: | Yes, date unknown |
| Jason UNDERWOOD 1846-Yes, date unknown |
| Jason UNDERWOOD | |
| B: | 3 Mar 1846 |
| D: | Yes, date unknown |
| Owen UNDERWOOD 1847-Yes, date unknown |
| Owen UNDERWOOD | |
| B: | 19 Dec 1847 |
| D: | Yes, date unknown |
| James Harris UNDERWOOD 1876-1957 |
| James Harris UNDERWOOD | |
| B: | 27 Sep 1876 |
| D: | 15 Nov 1957 |
| Amos UNDERWOOD, Dentist 1883-1944 |
| Amos UNDERWOOD, Dentist | |
| B: | 24 Dec 1883 |
| D: | 30 Nov 1944 |
| Warner UNDERWOOD 1851-1941 |
| Warner UNDERWOOD | |
| B: | 9 May 1851 |
| Unionville, Beaver, Pennsylvania, USA | |
| D: | 4 Feb 1941 |
| Woodbury, Gloucester, NJ, USA | |
| Tamar Eliza JOHN 1848-Yes, date unknown |
| Tamar Eliza JOHN | |
| B: | 19 Dec 1848 |
| Unionville, Centre, PA, USA | |
| M: | 21 Oct 1875 |
| Unionville, Beaver, Pennsylvania, USA | |
| D: | Yes, date unknown |
| Mary Alvina UNDERWOOD 1853-Yes, date unknown |
| Mary Alvina UNDERWOOD | |
| B: | 7 Mar 1853 |
| D: | Yes, date unknown |
| William I. UNDERWOOD 1860-Yes, date unknown |
| William I. UNDERWOOD | |
| B: | 24 Mar 1860 |
| D: | Yes, date unknown |
|
| Susannah IRWIN 1821-Yes, date unknown |
| Susannah IRWIN | |
| B: | 6 Sep 1821 |
| D: | Yes, date unknown |
| Jesse UNDERWOOD 1815-1876 |
| Jesse UNDERWOOD | |
| B: | 18 May 1815 |
| , York, PA, USA | |
| M: | 16 Oct 1839 |
| D: | 4 Sep 1876 |
| , Unionville Co., PA | |
