Clarissa was the 4th of 6 children of William Henry Yerion and Eliza Campbell. She married on December 12, 1852, Woodford County, Illinois, to Arthur Arnett, Jr. born ca.1829 in Ohio. They appear in the 1860 census of Palestine Township, Woodford County, Illinois. Arthur was a farmer.
Children of Arthur and Clarissa: Pearl Dawn Arnett Lyman Arnett (1854-unk) Della Arnett (1857-unk) America Arnett (1859-unk) Archibald Arnett (1861-unk) Lilly Arnett (1863-unk)