Bree \b-ree\ as a girl's name is pronounced bree. It is of Irish and Gaelic origin. Anglicized form of the Irish Gaelic name Br?e, a variant of Brighid (see Bridget). Also possibly (Latin) "from the boundary line". May also be used as a short form of Brianna and Sabrina. Jane Fonda played a call girl character named Bree in the 1971 movie "Klute".
Bree has 2 variant forms: Breehan and Brighe.
For more information, see also related names Brie and Breanna.