What does Blair mean?
Blair \b-lair\ as a girls' name (also used less generally as boys' name Blair) is pronounced blare. It is of Scottish and Gaelic origin, and the meaning of Blair is "plain, field". Place name. Also a transferred use of the Scottish surname. Actress Blair Brown.
Blair is a very popular first name for women (#1356 out of 4276, Top 32%) and also a very popular last name for all people (#380 out of 150436, Top 1%). (2000 U.S. Census)
Shown below is the baby name popularity of Blair for girls. Blair was first listed in 1980-1989 and reached its highest position of #451 in the U.S. then, and is at #650 currently. (2014 Birth Statistics)