布莱尔 is the standard sound-based transliteration of the English name Blair, used for both the surname (former British PM Tony Blair) and the given name. The characters are chosen for sound, not meaning.
In Pop Culture
布莱尔·沃尔多夫Bùlái'ěr Wò'ěrduōfū
Blair Waldorf
Iconic queen bee character in TV series Gossip Girl (2007-2012)