<Tr> <Th> Variant (s) </Th> <Td> Laughlin / Loughlin, McClaughlin, McGlothin, McLachlan / MacLachlan, McLauchlan, McLauchlin, McLaughlan, M (a) cLochlan, M (a) cLoughlin, MacLaughlan, </Td> </Tr> <Tr> <Td_colspan="2"> Clan MacLachlan (Scottish) </Td> </Tr> <Tr> <Td_colspan="2"> Footnotes: Frequency Comparisons </Td> </Tr> <P> M (a) cLaughlin / mɪkˈlɔːxlɪn / is the most common English form of Mac Lochlainn, a masculine surname of Irish origin . The feminine form of the surname is Nic Lochlainn . The literal meaning of the name is "son of Lochlann". Note that Mc is simply a contraction of Mac, which is also (albeit rarely) truncated to M' . Thus, MacLaughlin, McLaughlin and M'Laughlin are the same Anglicism, the latter two merely contractions of the first . </P>

Where does the last name mclaughlin come from