1898 - 1969 (71 years)(Notes: You may have to scroll down or right to see chart.)
| Ida Dora Mathilda Cowles 1898-1969 |
| Ida Dora Mathilda Cowles | |
| B: | 4 November 1898 |
| Deer Creek, Worth County, Iowa, United States of America | |
| D: | 10 December 1969 |
| Wisconsin, United States of America | |
