Meaning and Name Origin
Blair \b-lair\ as a boys' name (also used more widely as girls' name Blair) is pronounced blare. It is of Scottish and Gaelic origin, and the meaning of Blair is "field, plain". Scottish surname now used as a given name, in origin a local name from places named with Gaelic "blÓr". Used somewhat more for girls than for boys since the early 1980s.
Blair is a somewhat popular first name for men (#748 out of 1220, Top 61%) and an even more popular surname for both adults and children (#369 out of 88799, Top 1%). (2000 U.S. Census)
Presented below is the birth name popularity of Blair for boys. Blair reached its top position of #477 in the U.S. during 1950-1959, but is not listed at the moment. (2014 Birth Statistics)