Last name Delea (Delea 
) , all over the world, is quite a rare surname. The last name Delea is characteristic of Ireland, where it is quite a rare surname, Romania, and Switzerland. Measured by absolute frequency, it most frequently occurs in Romania, the United States, and Switzerland. Much less frequently, Delea is the forename as well as the last name.
| james delea Irish hurler, IE (b. 1868) |
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| paddy delea Irish hurler (1900-1969), IE (b. 1900) |
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| kathleen delea Irish camogie player, IE |
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| thomas e delea researcher |
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| maryann g delea researcher |
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| peter delea college basketball player (1997–1999) Lehigh |
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