Family name Kiernan (Kiernan 
, Tighearnán) , all over the world, is a common cognomen. The last name Kiernan is characteristic of Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. In absolute terms, this name is the most popular in the United States, Ireland, and the United Kingdom. Much less frequently, Kiernan is the forename as well as the last name.
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james lawlor kiernan Union army general (b. 1837) |
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| francis kiernan Anatomist and physician, IE (b. 1800) |
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james g. kiernan American psychologist, US (b. 1852) |
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chris kiernan Australian rules footballer and cricketer (1878-1925), AU (b. 1878) |
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james f. kiernan politician in Massachusetts, US, US (b. 1884) |
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john j. kiernan American pastor (1890-1951), US (b. 1890) |
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kitty kiernan Fiancee of Michael Collins, IE (b. 1892) |
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| john j. kiernan American politician, US (b. 1847) |
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thomas j. kiernan Diplomat from Ireland, IE (b. 1897) |
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| owen m. kiernan American politician, US (b. 1867) |
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cornelius f. kiernan politician in Massachusetts, US (born 1917), US (b. 1917) |
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| henry kiernan New Zealand rugby union player (1876-1947), NZ (b. 1876) |
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colm kiernan Australian academic, AU (b. 1931) |
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| esmond kiernan Australian politician (1881-1967) (b. 1881) |
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| john joseph kiernan Titanic victim (b. 1885) |
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