When Catherine Erwin was born in 1803, in Greenbrier, Virginia, United States, her father, Benjamin Erwin, was 38 and her mother, Margaret Wallace, was 30. She married John Coulter on 3 June 1829, in Greenbrier, West Virginia, United States. They were the parents of at least 8 daughters. She lived in Clay, Virginia, United States in 1860 and Clay, Clay, West Virginia, United States in 1880. She died after 1880, in Clay, West Virginia, United States.
Scottish and Irish: variant of Irvine .
English: from the Middle English personal name Everwin, Erwin, perhaps from Old English Eoforwine (eofor ‘boar’ + wine ‘friend’) but mostly from an Old French form of the cognate ancient Germanic name Everwin, or from a different ancient Germanic name, Herewin, with loss of initial H- (first element hari, heri ‘army’).
German: from the personal name Erwin, from Herwin, a compound of Old High German heri ‘army’ + wini ‘friend’.