They had eight children: George S., Mortimer L., Elizabeth, Wilma, Howard Isaac, John F., Natalie, and Charles Cameron.
In Fillmore County, Minnesota, Sprague taught school, operated a general store and was postmaster.
He was involved in the formation of a Central Dads Club and headed it in its first year.
[1] His sons were noted for their skills in football at the collegiate level bringing recognition to Dallas.
In the 1937 city council election, Sprague received the largest number of votes citywide.