Family name origins & meanings
- Irish and Scottish : reduced form of McColgan, or an Americanized form of Irish Ó Colgáin ‘descendant of Colga’, a personal name based on colg ‘thorn’, ‘sword’.
Exclusive Christmas discount for your expert parenting classes from FamilyEducation — 50% for a limited time only! Click Here to get started.
Colgan
Join the Family
Your partner in parenting from baby name inspiration to college planning.
Subscribe