McClanahan
| Pronunciation | McClanahan |
|---|---|
| Origin | |
| Word/name | Ireland-Scotland |
| Meaning | derived from Mac Lennacháin, "The son of he who owns mantles," or Mac Gille Onchon, "The son of the servant of Oncho" |
| Region of origin | Gaelic |
| Other names | |
| Variant form(s) | MacClannachan, MacClenaghan, M'Clenaghan, McClenaghan, McClanaghan |
McClanahan is an Irish surname that is derived from several Anglicized forms of the Gaelic surname Mac Lennacháin or Mac Gille Onchon.