In all the world, Halloran (Halloran 
, Халлоран 
) is a very rare dominantly boy's, but infrequently female first name. The first name Halloran is characteristic of the United States, where it is an extremely rare epicene name, and China, where it is an extremely rare masculine name. Much more frequently, Halloran is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Halloran | United Kingdom, Australia, Ireland, United States, Canada |
| Халлоран | Russia |
Halloran is also a name for the fictitious and mythical characters: .
| roy dennis halloran American neurologist and psychiatrist, US (b. 1894) |
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| canon joseph alfred halloran Peerage person ID=212359 |
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