Born in Boston, Massachusetts, Sprague attended the public schools and was graduated from Harvard University in 1879.

[3][4] He served as member of the Boston Common Council in 1889 and 1890, and then in the Massachusetts House of Representatives in 1891 and 1892.

He chaired the board of park commissioners of the city of Boston in 1893 and 1894, and served in the Massachusetts State Senate in 1895 and 1896.

He died in the Butler Sanitarium in Providence, Rhode Island,[5] on January 30, 1902, and was interred in Mount Auburn Cemetery, Watertown, Massachusetts.

This article incorporates public domain material from the Biographical Directory of the United States Congress