Born: January 15, 1858, Coosa County, Alabama (near Nixburg).
Died: May 16, 1928, Stigler, Oklahoma.
Buried: Whitefield Cemetery, Whitefield, Oklahoma.
Stephen was the son of William Smith Oslin and Jane Elizabeth Nolen, and husband of Mollie Penelope Highfill of Greenridge, Arkansas (married 1888).
In the fall of 1868, he moved with his father to Walker County, Alabama, where he grew up on the farm.
On July 15, 1880, he began his career as a teacher at Mt. Pleasant Church in Scott County, Arkansas. At one time, he studied at the Fort Smith Conservatory of Music, Fort Smith, Arkansas, under Professor W. D. C. Botefurh.
After leaving the Conservatory, he resumed his work as a teacher in earnest, at intervals attending the normal schools of the day.
He moved to Whitefield, Oklahoma, in the 1880s, where he taught music and organized the first singing school there. He also served as a minister in the Methodist Church South; founded the Eureka Publishing Company in Stigler, Oklahoma, in 1905; and was president of the Eureka Normal School of Music.
He edited the monthly musical journal The Tempo for three years, edited and published the Eureka Messenger, and was western field editor of The Musical Million for several years.