Born: September 4, 1819, Auburn, Maine.
Died: August 29, 1899, Wellesley, Massachusetts.
Buried: Saint Mary’s Cemetery, Newton Lower Falls, Massachusetts.
Irville was the son of Hanson Leslie and Mary Martin, and husband of Maria Rice (married August 9, 1844, Needham, Massachusetts).
As of 1843, he was editor of The Olive Leaf, a periodical in Chicopee, Massachusetts. By 1873, he was editing The Young Pilgrim, an Advent Christian publication in Boston, Massachusetts.
If you know where to get a good photo of Leslie (head & shoulders, at least 200×300 pixels),