Last name Cattanach (Cattanach 
) , across the world, is quite a rare cognomen. The surname Cattanach is characteristic of Cayman Islands, where it is quite a rare surname, Australia, and the United Kingdom, where it is a rare surname. Measured by absolute frequency, this name is the most popular in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
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| Cattanach | Australia, Canada, United States, New Zealand, United Kingdom |
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john cattanach Major League Baseball player (1863-1926), US (b. 1863) |
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george cattanach Canadian lacrosse player, CA (b. 1878) |
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| william cattanach (1863-1932) administrator (b. 1863) |
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| kenneth cattanach macdonald Canadian politician (1872-1945), CA (b. 1872) |
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| john cattanach shinty player (b. 1885) |
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| helen cattanach British nursing administrator (1920-1994), GB (b. 1920) |
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| bruce macintosh cattanach British mouse geneticist (1932–2020) (b. 1932) |
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| john mcane mcthomas cattanach accused of witchcraft, GB |
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| daniel e cattanach researcher (ORCID 0000-0001-5153-2275) |
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| robert cattanach Australian soccer player, AU (b. 1984) |
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| erin cattanach GB |
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