Family name Fennessey (Fennessey 
) , in all the world, is a rare last name. The surname Fennessey is characteristic of Ireland, where it is a rare surname, the United States, and Canada. In absolute terms, this name is the most popular in the United States, the United Kingdom, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Fennessey | Canada, Philippines, United Kingdom, United States, Ireland |
| eric james fennessey Ph.D. University of Glasgow 1989 |
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| christine m fennessey researcher |
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| shirley fennessey |
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