b. May 1862
| Birth | May 1862 | William A. Kirby was born in May 1862 in Illinois. |
| Marriage | 4 October 1891 | He and Alnestena Larsen, daughter of Martin Luther Larsen and Louisa Edwards, were married on 4 October 1891 in Stoddard County, Missouri. |
| Cen-Head | 6 July 1900 | William A. Kirby is head of household in the 1900 US Census of Castor Township, Stoddard County, Missouri as Wm Kirby. Married white male, age 38. Born May 1862. Married 9 years. He was born in Illinois. His father was born in Tennessee, his mother in Missouri. His occupation is farmer. He can read, write, and speak English. He owns his home, free of mortgage. It is a farm. Enumerated with William A. Kirby was Alnestena Larsen. |
| Cen-Head | 28 April 1910 | William A. Kirby is head of household in the 1910 US Census of Castor, Stoddard County, Missouri as William A. Kirby. Married white male, age 47. This is his first marriage. Married 19 years. He was born in Illinois. His father was born in Tennesse, his mother in Missouri. He can speak English. His occuption is farmer on his own farm. He was not out of work on April 15, 1910. He was out of work 0 weeks in 1909. He can read and write. He owns his home, free of mortgage. It is a farm, number 126 on the farm schedule. Enumerated with William A. Kirby was Alnestena Larsen. |
| Cen-Head | 16 January 1920 | William A. Kirby is head of household in the 1920 US Census of Castor Township, Stoddard County, Missouri as William A. Kirby. Married white male, age 53. He owns his home, it is mortgaged. He can read and write. He was born in Illinois. His father was born in Tennessee, his mother in Missouri. He can speak English. His occupation is farmer on a general farm. It is number 107 on the farm schedule. Enumerated with William A. Kirby was Alnestena Larsen. |
