Looking for Mahala Bowman Ascending from 1837

Mahala (Mahaley) BOWMAN, my GG Grandmother, married Francis (Francis J.) KEELEY 28 Dec. 1837 in Huron Co., Ohio.I have all the desending info but the only acsending info I have is from the 1860 census which says she was born 13 Aug. 1817 in New York???? Any help really appreciated. Bob Keeley