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What is the longest last name?


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MacGhilleseatheanaich is thought to be the longest surname in the world with 21 letters. It is Gaelic. ChaCha away!

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The longest last name is MacGhilleseatheanaich. It is a Gaelic name. ChaCha again!

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At 21 letters we found this Gaelic surname: MacGhilleseatheanaich. Got another question for us? ChaCha on!

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Wolfeschlegelsteinhausenbergerdorff is the longest last name that I see on this page... so that would make it your answer! ChaCha!

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