MacAoidh (Scottish Gaelic) comes from Scottish Gaelic mac, from Middle Irish mac, from Old Irish macc, from Primitive Irish ᚋᚐᚊᚊᚔ, from Proto-Celtic makkʷos, from Proto-Indo-European meh₂ḱ- — to raise, increase; long.
Ancestry of “MacAoidh”, step by step
MacAoidh traces back through two separate lines of ancestry.