Family name Dealy (ديالى 
, 迪利 
, Dealy 
) , all around the world, is a common cognomen. The last name Dealy is habitual in Iraq, where it is quite a common surname, Australia, where it is a rare surname, and the United States. Very seldom, Dealy is the forename as well as the last name.
| VARIANT | COUNTRY |
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| ديالى | Iraq |
| 迪利 | China |
| Dealy | Indonesia, United Kingdom, Australia, United States, Canada |
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patrick f. dealy Irish-American educator, IE (b. 1827) |
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| jane m. dealy British artist (1856-1939), GB (b. 1856) |
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| pat dealy American baseball player, US (b. 1861) |
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| dennis j. dealy American politician – Minnesota -House 1899-1902 (District 26), US (b. 1868) |
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| thomas kirkman dealy (b. 1861) |
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| catherine mary dealy American costume designer, US (b. 1894) |
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| ruth dealy American painter, professor (born 1947) (b. 1947) |
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| john m. dealy (b. 1937) |
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| ed dealy college basketball player (1963–1963) Cornell |
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| j m dealy researcher, McGill University (CAN) |
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| daniel dealy Involved in Ngarara West land business |
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| william justin dealy British Royal Navy officer, lieutenant in 1820 |
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