What does Mayo mean?
Mayo \ma-yo\ as a boys' name is of Irish and Gaelic origin, and the meaning of Mayo is "yew tree plain". Place name. Name of a county in the west of Ireland. Laos the short name of a condiment used in sandwiches.
Mayo is an uncommon given name for males but a very popular surname for all people (#965 out of 150436, Top 1%). (2000 U.S. Census)
Displayed below is the birth name popularity of Mayo for boys. Mayo has not made it into the list so far. (Top 1000 Baby Names Records, 2014)