Cognomen Gallichan (Gallichan 
) , around the world, is a rare surname. The surname Gallichan is habitual in Jersey, where it is a common surname, New Zealand, where it is a rare surname, and Australia. Measured by absolute frequency, it is the most numerous in Jersey, the United Kingdom, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Gallichan | Jersey, United Kingdom, South Africa, Australia, Canada |
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walter m. gallichan British writer and journalist, GB (b. 1861) |
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| norman gallichan New Zealand cricketer (1906-1969), NZ (b. 1906) |
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| gilles gallichan Canadian historian and librarian, CA (b. 1951) |
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| andy gallichan badminton player, GB (b. 1965) |
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| ethel molly gallichan (died 1992) |
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| gisèle gallichan performing artist in Canada |
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| daniel gallichan researcher ORCID ID = 0000-0002-0143-2855 |
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| robert gallichan researcher |
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| james gallichan British Royal Navy officer, lieutenant in 1810 |
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| gisèle gallichan Canadian journalist, CA |
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| walter john gallichan Peerage person ID=500305 |
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| nathalie gallichan researcher (ORCID 0000-0001-8722-889X) |
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| luke gallichan cricketer (b. 1995) |
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