Last name Killilea (Killilea 
) , around the world, is a rare cognomen. The last name Killilea is habitual in Ireland, where it is quite a rare surname, the United States, where it is a rare surname, and the United Kingdom.
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| Killilea | Israel, Australia, United States, United Kingdom, Ireland |
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matthew killilea American lawyer and politician, US (b. 1862) |
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henry killilea American baseball executive (1863-1929), US (b. 1863) |
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| mark killilea, mór Irish politician, IE (b. 1896) |
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| marie killilea American biographer, US (b. 1913) |
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| john killilea American basketball coach and scout, US (b. 1928) |
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| mark killilea Irish politician, IE (b. 1939) |
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| karen killilea American activist (b. 1940) |
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| alfred g. killilea (b. 1941) |
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| david w. killilea researcher |
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