Cognomen Keleher (Keleher 
) , in the entire world, is quite a rare surname. The family name Keleher is characteristic of Australia, where it is quite a rare surname, New Zealand, and Canada, where it is a rare surname. In absolute terms, it is the most numerous in the United States, Australia, and Canada.
| VARIANT | COUNTRY |
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| Keleher | Canada, New Zealand, Australia, United Kingdom, United States |
| william aloysius keleher (b. 1886) |
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julia keleher 40th Secretary of the Puerto Rico Department of Education, US (b. 1974) |
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| michael f. keleher (b. 1914) |
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| james patrick keleher Roman Catholic archbishop, US (b. 1931) |
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| helen keleher (b. 1950) |
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| mike keleher college basketball player (1955–1955) New Mexico |
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| peter keleher Ph.D. Rice University 1995 |
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| paul keleher QC 2009; a Recorder, since 2018 |
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| james keleher first husband of Madeleine Foshay (later Countess of Effingham) |
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| gloria marie keleher Canadian botanist, CA |
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| madeline rose keleher researcher |
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| dave keleher college basketball player (1956–1957) Morehead State |
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| graeme keleher researcher (ORCID 0000-0002-3917-7538) |
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| jason j keleher researcher |
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