| Isaac Hagenbuch | 16 Nov 1801 | 15 Jul 1878 |
| Isaac Hugo Hagenbuch | | |
| Isaac Marshall Hagenbuch | | |
| Isabella Grace Hagenbuch | 23 Feb 2006 | |
| Isaiah Hagenbuch | 7 Feb 1835 | 22 Feb 1835 |
| Isaiah Bomboy Hagenbuch, Sgt. | 10 Sep 1836 | 5 Feb 1912 |
| Israel Hagenbuch | 2 Feb 1883 | 1 Aug 1965 |
| Israel "Walter" Walter Hagenbuch | 9 Jan 1910 | 25 Sep 2005 |
| Issabilla "Sabila" (Lapp) Hagenbuch | 16 Jan 1862 | 22 May 1933 |
| Jacalyn Gay (Peloke) Hagenbuch | | |
| Jacob (Hagenbuch) Hagenbaugh | 23 Dec 1803 | 10 Aug 1888 |
| Jacob Hagenbuch | 27 Jan 1797 | 19 Mar 1870 |
| Jacob Hagenbuch | 15 Sep 1830 | 22 Sep 1893 |
| Jacob Hagenbuch | 13 Jun 1777 | 8 Jan 1842 |
| Jacob Hagenbuch | 11 Oct 1792 | 31 May 1861 |
| Jacob Hagenbuch | 20 May 1765 | 26 Feb 1811 |
| Jacob Hagenbuch | 10 Dec 1895 | 9 May 1983 |
| Jacob Hagenbucher | 1838 | Mar 1888 |
| Jacob (Hagenbuch) Hagenbush | 23 Nov 1820 | 11 Feb 1872 |
| Jacob Christian Hagenbuch | 30 Jan 1829 | 26 Oct 1870 |