b. 15 October 1874, d. 23 June 1953
| Birth | 15 October 1874 | William Walker Vosler was born on 15 October 1874 in Shenandoah, Page County, Iowa. |
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Birth (Possible) | 15 October 1875 | According to at least one source, his birthdate was 15 October 1875. |
| Cen-Head
(Enumerated with) | 9 June 1880 | The 1880 US Census listed William Walker Vosler in addition to Elizabeth Maude Sanderson, George Riley Vosler, Dorothy J. Vosler, Henry Nelson Jeramiah Clinton Vosler, Fanny A. Vosler, Emma J. Vosler, Effie Le Vosler and John Preston Vosler in the household of John Preston Vosler, in Ashland Precinct, Saunders County, Nebraska. |
| Cen-Enum | 9 June 1880 | William Walker Vosler was enumerated as William Walker. Single male, age 5. Son of head of household. He was born in Iowa. His mother and father were born in New York. |
| Marriage | 8 April 1893 | He and Ada Marie Evans, daughter of Martin Devoe Evans and Cynthia Marie Locke, were married on 8 April 1893 in WaKenney, Trego County, Kansas.  |
| Cen-Head | 1 June 1900 | William Walker Vosler is head of household in the 1900 US Census of Mill Precinct, Lancaster County, Nebraska as William Vosler. Married white male, age 25. Born October 1874. Married 7 years. He was born in Iowa. His father was born in Pennnsylvania, his mother in Ohio. His occupation is farmer. He was unemployed 0 months. He can read, write and speak English. He rents his home. It is a farm, number 4 on the farm schedule. Enumerated with William Walker Vosler was Ada Marie Evans, Floyd Lewis Vosler and Maude Marie Vosler. |
| Cen-Head | 1910 | William Walker Vosler is head of household in the 1910 US Census of Big Blue Precinct, Saline County, Nebraska as William Vosler. Enumerated with William Walker Vosler was Ada Marie Evans, Floyd Lewis Vosler, Maude Marie Vosler and Hubert Devoe Vosler. |
| Cen-Head | 27 January 1920 | William Walker Vosler is head of household in the 1920 US Census of Phillips Precinct, Goshen County, Wyoming as William W. Vassler. Married white male, age 45. Owns his home, free of mortgage. He can read and write. He was born in Iowa. His father was born in Ohio, his mother in New York. He can speak English. His occupation is farmer. He is an employer. His farm is #95 on the farm schedule. Enumerated with William Walker Vosler was Ada Marie Evans and Hubert Devoe Vosler. |
| Cen-Head | 1930 | William Walker Vosler is head of household in the 1930 US Census of Election District 10, Laramie County, Wyoming as William W. Vossler. Enumerated with William Walker Vosler was Ada Marie Evans. |
| Death | 23 June 1953 | William Walker Vosler died on 23 June 1953 in Cheyenne, Laramie County, Wyoming, at age 78. |
| Burial | 25 June 1953 | He was buried on 25 June 1953 in Bethel, Cheyenne, Laramie County, Wyoming. |
