Last name Bhriain (Bhriain 
) , in all the world, is a very rare cognomen. The surname Bhriain is habitual in Northern Europe, particularly Ireland, where it is quite a rare surname, and the United Kingdom, where it is an extremely rare surname. Very seldom, Bhriain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bhriain | Ireland, United Kingdom, France |
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cáit ní bhriain Irish novelist, playwright and activist, IE (b. 1897) |
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| eibhlín ní bhriain Irish journalist and editor (1925 -1986), IE (b. 1925) |
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| doireann ní bhriain Irish radio producer, IE (b. 1952) |
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| niamh uí bhriain Irish activist, IE (b. 1970) |
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| orfhlaith ní bhriain researcher |
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