Aaron Henry Alsip was born March 3, 1841, in Pittsburgh, Pennsylvania.
The 1860 United States census showed Aaron H. Alsip (age 19, brick maker, born in Pennsylvania) living with his parents William Alsip (age 54, born in Ireland) and Margenn Alsip (age 51, born in Pennsylvania) in Prairie du Chien, Wisconsin.
Aaron H. Alsip married Mary Ella Vedder on December 8, 1863, in Grant, Wisconsin.
The 1870 United States census showed A. H. Alsip (age 29, brick maker, born in Pennsylvania) married to M. E. (age 25, born in Wisconsin) and living in Austin, Minnesota. Children A. W. (age 4, born in Iowa) and L. J. (age 2, born in Iowa) lived with the couple.
The 1875 Minnesota census showed A. H. Alsip (age 34, born in Pennsylvania) married to Mary E. (age 30, born in Wisconsin) and living in Austin, Minnesota. Children Abby W. (age 9, born in Iowa), T. J. (age 7, born in Iowa), and Lassie B. (age 1, born in Minnesota) also lived with the couple.
E. M. Dean, Prest.: Dear Sir: - I take pleasure in stating that the Eureka Mower, purchased of your agent, C. A. Kelsey, has worked to my entire satisfaction. I cut fifty acres of lodged grain, and have used it in light and heavy grass, and am convinced that the Eureka Mower will do nearly double the amount of cutting of any side-bar mower in the market. Very Resp’y, A. H. Alsip. Fountain, Brookings County, D. T. (The Princeton Union, Wednesday, April 14, 1880, Volume IV, Number 17, Page 7)
The 1880 United States census showed A. H. Alsip (age 39, farmer, born in Pennsylvania) married to Mary E. (age 35, born in Wisconsin) and living in Township 110, Range 48, Brookings County, South Dakota. Children Aba W. (age 14, born in Iowa), Thomas J. (age 12, born in Iowa), and Susie B. (age 5, born in Minnesota) also lived with the couple.
A. H. Alsip, Alton Township, 11 North 48 West 15, 11 North 48 West 22. (Brookings County, South Dakota, 1897 Land Ownership Map)
The 1900 United States census showed A. H. Alsip (age 59, born in March 1841 in Pennsylvania) married to Mary E. (age 54, farmer, born in June 1845 in Wisconsin) and living in Alton Township, Brookings County, South Dakota.
The 1910 United States census showed Aaron H. Alsip (age 69, born in Pennsylvania) married to Mary E. (age 64, born in Wisconsin) and living in Steilacoom, Washington.
By Owner. For sale or exchange for city property, 6 acres, all in bearing fruit trees, ½ mile from Steilacoom; 7-room house, closets and bath, hot and cold water, cistern, well and windmill, barn chicken coops and carriage house. Phone Main 1044 or address A. H. Alsip, Steilacoom, Wash. (The Tacoma Times, Saturday, January 7, 1911, Volume VIII, Number 16, Page 6)
A. H. Alsip died in Tacoma, Washington, on February 10, 1912, at the age of 70. His mother’s name was Mary McMaker. Alsip lived in Lancaster, Wisconsin, Decorah, Iowa, Austin, Minnesota, Brookings, South Dakota, and Tacoma, Washington.