| Birth | 1896 | Joseph Coolidge Kilbourne Jr. was born in 1896 in Portland, Multnomah County, Oregon. |
1900 Census
| 1 Jun 1900 | Joseph appeared in the 1900 Federal Census of San Francisco, San Francisco County, California, as Joseph Rilbourne, in the household of Mary L. Miller, with his parents, Mildred and Joseph Coolidge Kilbourne. |
1910 Census
(with Parents)
| 1910 | Joseph appeared in the 1910 Federal Census of Columbus City, Franklin County, Ohio,in the household of his parents, Mildred and Joseph Coolidge Kilbourne. |
Joseph Coolidge Kilbourne Jr.