Around the world, Ceallach (Ceallach 
) is an extremely rare gender-neutral forename. Very seldom, Ceallach is the last name as well as the forename.
Ceallach is also a name for the fictitious and mythical characters: .
| ceallach ua mailcorgus poet |
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| ceallach mac maoil chobha 7th-century Irish monarch, IE |
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| flannagan mac ceallach poet |
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| ceallach mac guaire 7th-century Irish monarch |
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