When Catherine Troyer was born about 1837, in Holmes, Ohio, United States, her father, Daniel Troyer, was 39 and her mother, Catherine Reep, was 35. She married Henry Bean on 20 December 1856. They were the parents of at least 1 son. She lived in Indiana, United States in 1870 and Liberty Township, St. Joseph, Indiana, United States in 1880.
Altered form of Swiss German Treyer, a cognate of 2 below and 3 below or a variant of Dreyer .
German: variant of Treuer (and, in North America, probably also an altered form of this), in the south a topographic name for someone who lived by a cattle track (Treyen, from Latin trivium ‘trail’), in the north an occupational name derived from Middle Low German troye ‘jerkin’ (compare 5 below). The surname Troyer is very rare in Germany.
Americanized form of Austrian German Trojer: topographic name derived from South German dialect troi ‘cattle track’, a cognate of 2 above.