Family name Halleran (Halleran 
) , in all the world, is a rare last name. The last name Halleran is characteristic of Canada, where it is a rare surname, Ireland, and New Zealand. In absolute terms, the name is most common in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
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| Halleran | United Kingdom, Ireland, Canada, China, United States |
| jeremiah halleran Canadian politician, CA (b. 1843) |
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| edith halleran American actress, US (b. 1893) |
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| teresa marie halleran wife of Edward Carl Thompson, US (b. 1934) |
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| michael halleran American academic, US (b. 1963) |
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| andrew d halleran researcher |
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