| Cora M Hagenbuch | 22 Feb 1874 | 2 Jun 1958 |
| Coralyn Marie (Hagenbuch) Lucas | | |
| Cordelia (Hagenbuch) Kistler | 10 Mar 1839 | 9 Jul 1922 |
| Craig Hagenbaugh | | |
| Craig Lee Hagenbuch | | |
| Craig Lee Hagenbuch, Jr. | | |
| Craig Wade Hagenbuch | | |
| Cristabella Mae Hagenbuch | | |
| Curt Adrien Hagenbuch | | |
| Curtis Allen Hagenbuch | | |
| Cymbellina Marigold Hagenbuch | | |
| Cynthia Louise (Hagenbuch) Boyer | 19 Mar 1962 | |
| Cynthia Sue (Hagenbuch) Buss | | |
| Cyrus Eugene Hagenbuch | 4 Dec 1905 | 1985 |
| Daisy I. (Duffey) Hagenbuch-Gilmore | 24 May 1903 | 19 Dec 1995 |
| Dale Scott Hagenbuch, Sr. | | |
| Dale Scott Hagenbuch, Jr. | | |
| Dale Trumbore Hagenbuch | 7 Dec 1940 | 4 Jan 2024 |
| Dan Wilmer Hagenbuch | 5 Apr 1951 | 3 Sep 1995 |
| Dana Hagenbaugh | | |