You did not say what state these people might be located in but luckily they did show up on the marriage index for Indiana.
Indiana, Perry County: Josephine Petty married William S. Vitietoe/Vittito (both spellings listed) July 4, 1864.Book 3, Page 166.
There is a listing on the 1850 Census for Daviess County Kentucky (right next to Perry County IN) that is probably your man.
1850 Kentucky, Daviess Co., District #1, Page 416: Thos. Vititoo, 39yo, Blacksmith, KY Jane, 23yo, KY WILLIAM, 18yo, KY John, 12yo, KY Mildred, 10yo, KY Sam'l, 2yo, KY James, 1/2yo, KY
There is a Josephine Petta listed on the 1860 Indiana Census in Perry County, Tobin Township, Page 15: David Tate, 61yo, Farmer, KY Catherine, 46yo, KY Artemessa?, 19yo, Domestic, KY Daria, 15yo, Laborer, KY Josephine Petta, 14yo, KY