| Mac-, Mc- or M'- | |
| —prefix | |
| (in surnames of Scottish or Irish Gaelic origin) son of: MacDonald; MacNeice | |
| [from Goidelic mac son of; compare Welsh mab, Cornish mab] | |
| Mc-, Mc- or M'- | |
| —prefix | |
| [from Goidelic mac son of; compare Welsh mab, Cornish mab] | |
| M'-, Mc- or M'- | |
| —prefix | |
| [from Goidelic mac son of; compare Welsh mab, Cornish mab] | |