Cognomen Maclochlainn (Maclochlainn 
) , in the entire world, is a very rare family name. The cognomen Maclochlainn is habitual in Ireland, where it is quite a rare surname, Australia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Maclochlainn | Australia, Ireland, United Kingdom, United States |
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gerry maclochlainn Irish republican, political activist, councillor (born 1954), GB (b. 1954) |
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| dylan maclochlainn researcher |
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| michel maclochlainn Roman Catholic bishop |
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| úna maclochlainn Irish singer, IE (b. 1987) |
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