Surname Mckenny (Mckenny 
) , in all the world, is quite a rare family name. The surname Mckenny is characteristic of Ireland, where it is quite a rare surname, Australia, where it is a rare surname, and Canada. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Australia. Very seldom, Mckenny is the forename as well as the last name.
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| Mckenny | Democratic Republic of the Congo, United Kingdom, Canada, Australia, United States |
| john mckenny (1788-1847) Wesleyan Methodist minister (b. 1788) |
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| james mckenny (died 1917) (b. 1844) |
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| charles mckenny (born 1849) (b. 1849) |
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| robert mckenny (1849-1924) (b. 1849) |
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| harriet mckenny (1850-1882) (b. 1850) |
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| charles mckenny School president, US (b. 1860) |
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| margaret mckenny American mycologist, US (b. 1885) |
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| bill mckenny American football player, US (b. 1940) |
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| jim mckenny Canadian ice hockey player, CA (b. 1946) |
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| gerald mckenny American theologian (b. 1957) |
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| joseph mckenny college basketball player (1997–1997) Jackson State |
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| william henry mckenny (died 1848) |
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| aaron f mckenny researcher (ORCID 0000-0003-0146-001X) |
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| ann mckenny Peerage person ID=592444 |
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| james mckenny d.1852 |
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