Last name Lannin (Lannin 
) , around the world, is a rare surname. The last name Lannin is characteristic of Ireland, where it is a rare surname, Canada, and Australia. In absolute terms, it is the most numerous in the United States, Canada, and the United Kingdom. Much less frequently, Lannin is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Lannin | United Kingdom, Australia, Ireland, United States, Canada |
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joseph lannin owner of the Red Sox baseball team (1866-1928), CA (b. 1866) |
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| jay lannin college basketball player (2000–2001) Belmont |
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| daniel g lannin researcher |
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| natasha a. lannin researcher |
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| timothy lannin researcher |
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| donald lannin researcher |
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| john kirk lannin Ph.D. Illinois State University 2001 |
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