Mac Lachlainn
Mac LACHLAINN—V—MacLachlin, MacLachlan, MacLaughlin, MacClachlin, MacClaughlin, MacClafflin, Clafflin, &c. 'son of Lochlainn' (a name of Norse origin); the Scottish and Ulster form of Mac Lochlainn, which see. The Scottish clan of this name was seated at Strathlachlan in Argyleshire. See Mac Ladhmainn.
Alphabetical Index to Irish Surnames