Skip to main content

McCosh

Updated: June 9, 2019
Updated: June 9, 2019

Family name origins & meanings

  • Scottish and northern Irish : Anglicized form of Gaelic Mac Coise ‘son of Cos’, a byname meaning ‘messenger’ or ‘foot soldier’ (from cos ‘foot’, ‘leg’).

Join the Family

Your Partner in Parenting, From Baby Name Inspiration to College Planning.

Subscribe