| Birth | 1897 | Thomas Helm Kilbourne was born in 1897 in Portland, Multnomah County, Oregon. |
1900 Census
| 1 Jun 1900 | Thomas appeared in the 1900 Federal Census of San Francisco, San Francisco County, California, as Thomas H. Rilbourne, in the household of Mary L. Miller, with his parents, Mildred and Joseph Coolidge Kilbourne. |
1910 Census
(with Parents)
| 1910 | Thomas appeared in the 1910 Federal Census of Columbus City, Franklin County, Ohio,in the household of his parents, Mildred and Joseph Coolidge Kilbourne. |
1920 Census
(with Parents)
| 1920 | Thomas appeared in the 1920 Federal Census of Columbus City, Franklin County, Ohio,in the household of his parents, Mildred and Joseph Coolidge Kilbourne. |
Thomas Helm Kilbourne