Otis was the 1st of 6 children of Henry Yarian and Mary H. Troutman. He married about 6 months before the 1900 census to Zelia Warner. They were in Jefferson Township, Mercer County, Pennsylvania, in 1920 and 1930. Otis was a house carpenter.
Children of Otis and Mary: Louise Yarian (ca.1906-unk) Clyde H. Yarian (1907-1991) Russell L. Yarian (1910-1995) Ruth Yarian (ca.1914-unk) George K. Yarian (1915-1999)