| Birth | 1 May 1877 | Mary Anna Mawhor was born on 1 May 1877. |
| Marriage | 1897 | She and George Riley Vosler, son of John Preston Vosler and Elizabeth Maude Sanderson, were married in 1897. |
1900 Census
(Spouse of Head)
| 9 Jun 1900 | Mary appeared in the 1900 Federal Census of Riverton, Fremont County, Iowa, with her husband, George Riley Vosler, and their children, Walter, Chester, John and George. |
1910 Census
(Spouse of Head)
| 20 Apr 1910 | Mary appeared in the 1910 Federal Census of Mill Precinct, Lancaster County, Nebraska, with her husband, George Riley Vosler, and their children, John, George, Theodore and Elizabeth. |
| 1920 Census | 30 Jan 1920 | Mary Anna Mawhor appeared as head of household in the 1920 Federal Census of Marble, Saunders County, Nebraska. Her children, John, George, Theodore, Elizabeth, Oscar and Gladys, were listed as living with her. |
| 1930 Census | 12 Apr 1930 | Mary Anna Mawhor appeared as head of household in the 1930 Federal Census of Marble, Saunders County, Nebraska. Her children, Gladys, were listed as living with her. |
| Death | 25 May 1967 | Mary Anna Mawhor died on 25 May 1967 at age 90. |
| Burial | after 25 May 1967 | She was buried after 25 May 1967 in Ashland Cemetery, located in Ashland, Saunders County, Nebraska, in Plot: Sect Old, Blk 16, Lot 65.  |
Mary Anna Mawhor