Milo Oscar Smith was the ninth head football coach for the Doane College Trees located in Crete, Nebraska and he held that position for the 1903 season. His coaching record at Doane was 2 wins, 1 losses, and 0 ties. As of the conclusion of the 2007 season, this ranks him 28th at Doane in total wins and fifth at Doane in winning percentage (.667).
On July 7, 1905, Smith married Mary Ella Porterfield in Atlantic, Iowa. By 1905 the couple was living in Council Bluffs where Smith worked for a clothing store.