| Imogene Hagenbuch | | |
| Imogene Louise (Sparks) Hagenbuch | 17 Jan 1922 | 26 Feb 2018 |
| Inez Louise (Schenkel) Hagenbuch | 15 Sep 1925 | 24 Jun 1992 |
| Inez Marie Hagenbuch | 5 Jun 1921 | 13 Dec 1936 |
| Infant Hagenbuch | 30 Jan 1920 | 30 Jan 1920 |
| Infant Hagenbuch | 20 May 1871 | 20 Jul 1871 |
| Infant Hagenbucher | 14 Aug 1885 | 14 Aug 1885 |
| Infant Hagenbucher | 22 Aug 1886 | 22 Aug 1886 |
| Infant Twins Hagenbuch | 21 Sep 1872 | 21 Sep 1872 |
| Iola Lorene (Hagenbuch) Bahler | 31 May 1913 | 1995 |
| Ira Hagenbuch | 25 Aug 1869 | 4 Jun 1940 |
| Irene (Cavanaugh) Hagenbuch | 1906 | 1951 |
| Irene Mae (Faus) Hagenbuch | 15 Mar 1920 | 7 Aug 2011 |
| Irene May (Hagenbuch) Neel | | |
| Isaac Hagenbuch | 16 Nov 1801 | 15 Jul 1878 |
| Isaac Hagenbuch | 1796 | 1855 |
| Isaac Hugo Hagenbuch | | |
| Isaac Marshall Hagenbuch | | |
| Isabella Grace Hagenbuch | 23 Feb 2006 | |
| Isaiah Hagenbuch | 7 Feb 1835 | 22 Feb 1835 |