Cognomen Mhurchú (Mhurchú 
) , in the world, is a very rare family name. The surname Mhurchú is habitual in Northern Europe, particularly Ireland, where it is quite a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Mhurchú | Ireland, United Kingdom |
| padraigín ní mhurchú Irish trade union leader (1949–2019) (b. 1949) |
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| áine nic mhurchú Irish radio broadcaster, IE |
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| áine ní mhurchú Irish radio broadcaster, IE |
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| caitríona ní mhurchú Irish actress, IE |
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| clíona ní mhurchú New Zealand Professor of population nutrition, NZ |
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