[1][better source needed]He was a member of the Casady family, an influential lineage of bankers, politicians, landowners, and farmers who played a significant role in the early history and legislative matters of Iowa.
Judge Casady was an early pioneer settler in Iowa and held prominence in both city and state politics.
[3] On June 1, 1880, Casady and his wife, Sarah Conarroe Griffiths, became the first native-born settler couple to be married in Des Moines, having their wedding at the Cathedral Church of Saint Paul.
[5] Casady and his family resided in Rosebrae, a home situated on Prospect Boulevard in Des Moines.
In January 1916, Sarah Casady established and led the Iowa branch of the National Association Opposed to Woman Suffrage (NAOWS).