| Meaning | fire, son of fire |
| Origin | Scottish |
| Gender | Boy |
| Popularity | Moderate |
| Length | 5 |
| Syllables | 2 |
| Syllabification | Mc-koy |
| McCoy |
| McKay |
| MacKay |
| Mckay |
| Makoy |
| Mackoy |
| MacCoy |
| McKoi |
| McKoye |
| MacKoi |
| McCoye |
| McKay |
| McKinley |
| McCoy |
| McIntyre |
| McKenzie |
| McGregor |
| McKenna |
| McLean |
| McNeil |
| McCallum |
| McConnell |
| McClain |
| Mac |
| Koy |
| Mack |
| Mackie |