| Father | Male George W. Mumper |
| Born | Jan 1828 | Carroll Township, York, Pennsylvania |
| Died | 1915/1918 | , Cumberland, Pennsylvania |
| Buried | ||
| Married | 2 Nov 1854 | |
| Father | John Mumper | F3054 Group Sheet | |
| Mother | Jane Beelman | F3054 Group Sheet | |
| Mother | Female Mary Jane Mateer |
| Born | Abt 1833 | , Cumberland, Pennsylvania |
| Died | 1914 | , Cumberland, Pennsylvania |
| Buried | ||
| Father | William Mateer | F2834 Group Sheet | |
| Mother | Mary Ann Porter | F2834 Group Sheet | |
| Child 1 | Male William Murray Mumper |
| Born | 25 Aug 1855 | , Cumberland, Pennsylvania |
| Died | 10 Sep 1858 | |
| Buried | , Cumberland, Pennsylvania |
| Child 2 | Male John Mumper |
| Born | 12 Nov 1857 | , Cumberland, Pennsylvania |
| Died | 19 Apr 1861 | |
| Buried | , Cumberland, Pennsylvania |
| Child 3 | Female Lulu B. Mumper |
| Born | Abt 1859 | , Cumberland, Pennsylvania |
| Died | 25 Oct 1890 | |
| Buried | , Cumberland, Pennsylvania |
| Child 4 | Male George B. McClelland Mumper |
| Born | Abt 1862 | , Cumberland, Pennsylvania |
| Died | ||
| Buried | ||
| Spouse | Campellena McKeever | F3055 | |
| Married | ||
| Spouse | Elizabeth B. | F3056 | |
| Married | ||