Last name Colligan (Colligan 
) , throughout the world, is quite a rare family name. The surname Colligan is characteristic of Cayman Islands, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and New Zealand. Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
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| Colligan | Australia, Canada, New Zealand, United Kingdom, United States |
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bud colligan American businessman and activist, US (b. 1954) |
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| john clifford colligan (1906-1999), Director-General, Royal Institute for the Blind (b. 1906) |
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george colligan American musician, US (b. 1969) |
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| ed colligan former president and CEO of Palm, Inc, US (b. 1961) |
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| matthew colligan Attendee of the 2017 Unite the Right and right-wing provocouture, US |
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| megan colligan researcher |
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| matt colligan researcher |
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| mark colligan Ph.D. University of Kent, Canterbury 2012 |
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| david colligan researcher (ORCID 0000-0001-7637-5325) |
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| grainne colligan researcher |
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| jade colligan Australian cyclist, AU |
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| philip colligan Welsh. Husband. Father. Craft cider maker. School Governor. |
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| joe colligan |
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