| Dr. Richard Irvine Howitt, M.D. |
| Dr. Richard Irvine Howitt, M.D. | |
| B: | 27 May 1865 |
| Guelph, Wellington County, Ontario, Canada | |
| D: | 13 Feb 1910 |
| San Francisco, San Francisco County, California | |
| Lois Hall |
| Lois Hall | |
| B: | 9 Mar 1867 |
| Ohio | |
| M: | 26 Oct 1896 |
| Pasadena, Los Angeles County, California | |
| D: | 18 Mar 1943 |
| Los Angeles, Los Angeles County, California | |