| Birth | 15 Oct 1874 | William Walker Vosler was born on 15 Oct 1874 in Shenandoah, Page County, Iowa. |
| Possible Birthdate | 15 Oct 1875 | According to at least one source, his birthdate was 15 Oct 1875. |
1880 Census
(with Parents)
| 9 Jun 1880 | William appeared in the 1880 Federal Census of Ashland Precinct, Saunders County, Nebraska, as William Walker, in the household of his parents, Elizabeth and John Preston Vosler. He is a single white male, age 5. Son of head of household. He was born in Iowa. His mother and father were born in New York. |
| Marriage License | 6 Apr 1893 | William Walker Vosler and Ada Marie Evans obtained a marriage license on 6 Apr 1893.  |
| Marriage | 8 Apr 1893 | William Walker Vosler and Ada Marie Evans, daughter of Martin Devoe Evans and Cynthia Marie Locke, were married on 8 Apr 1893 in WaKenney, Trego County, Kansas. |
| 1900 Census | 1 Jun 1900 | William Walker Vosler appeared as head of household in the 1900 Federal Census of Mill Precinct, Lancaster County, Nebraska, as William Vosler. Living with him was his wife, Ada, and their children, Floyd and Maude. He is a 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. |
| Residence | 11 Jan 1908 | On 11 Jan 1908 William Walker Vosler lived in Cider Hill, Nebraska. |
| 1910 Census | 1910 | William Walker Vosler appeared as head of household in the 1910 Federal Census of Big Blue Precinct, Saline County, Nebraska, as William Vosler. Living with him was his wife, Ada, and their children, Floyd, Maude and Hubert. |
| 1920 Census | 27 Jan 1920 | William appeared in the 1920 Federal Census of Phillips Precinct, Goshen County, Wyoming, as William W. Vassler, with his wife, Ada. Their son, Hubert, was listed as living with them. He is a 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. |
| 1930 Census | 1930 | William Walker Vosler appeared as head of household in the 1930 Federal Census of Election District 10, Laramie County, Wyoming, as William W. Vossler. Living with him was his wife, Ada, as well as Tony White, a 22 year old white male boarder. He is a married white male, age 55. He was 18 years old when first married. He can read and write. He was born in Iowa. His father was born in New York, his mother in Ohio. |
| Death | 23 Jun 1953 | William Walker Vosler died on 23 Jun 1953 in Cheyenne, Laramie County, Wyoming, at age 78. |
| Burial | 25 Jun 1953 | He was buried on 25 Jun 1953, age 78, in Bethel Cemetery, located in Cheyenne, Laramie County, Wyoming, in Plot: Sec E Lot 63 Sp C. |
William Walker Vosler