Click on the red marker on the map below for a link to the FindMyPast transcript. (Free, registration required).
| Macaw | Very rare: Down. Ir. Mac Ádhaimh "son of Adam". |
| MacGaw | fairly rare: E Ulster etc. Ir. Mac Ádhaimh (Adam). The name is both Irish and Scots; equivalent to Mac Adam. SS. |
| Magaw | Very rare: Down etc. Ir. Mac Ádhaimh. See Mac Caw. |
| Megaw | fairly numerous: Down-Antrim etc. Ir. Mag Ádhaimh. See Mac Caw. |
Parishes where McGaw and a second surname are both baptised.