| Birth | 17 Feb 1889 | William Isaac Bowman was born on 17 Feb 1889 in Fairmount, Vermilion County, Illinois. |
1900 Census
(with Parents)
| 11 Jun 1900 | William appeared in the 1900 Federal Census of Jamaica, Vermillion County, Illinois, as William I. Bowman, in the household of his parents, Rachel and Isaac Bowman. |
| Marriage | 20 Apr 1913 | William Isaac Bowman and Lena Rader, daughter of S. W. Radar, were married on 20 Apr 1913. |
| Draft Registration | 5 Jun 1917 | William Isaac Bowman registered for the military on 5 Jun 1917 in Danville, Vermilion County, Illinois.  |
| 1920 Census | 20 Jan 1920 | William Isaac Bowman appeared as head of household in the 1920 Federal Census of Danville, Vermilion County, Illinois, as W. J. Bowman. Living with him was his wife, Lena, and their children, Herbert and Earl. |
| 1930 Census | 9 Apr 1930 | William Isaac Bowman appeared as head of household in the 1930 Federal Census of Danville, Vermilion County, Indiana, as Wm Bowman. Living with him was his wife, Lena, and their children, Earl and Robert, as well as his brother, an unknown or excluded person. |
| 1940 Census | 16 Apr 1940 | William Isaac Bowman appeared as head of household in the 1940 Federal Census of Danville, Vermilion County, Illinois, as W. I. Bowman. Living with him was his wife, Lena, and their children, Earl and Robert, as well as his brother, an unknown or excluded person and father-in-law, S. W. Radar. |
| Draft Registration | 27 Apr 1942 | William Isaac Bowman registered for the military on 27 Apr 1942 in Danville, Vermilion County, Illinois. |
| SSN | bt 1951 - 1952 | His social security number was issued in Illinois bt 1951 - 1952. |
| Death | May 1971 | He died in May 1971 at age 82. |
William Isaac Bowman