Meaning and name origin
Brentley \b-rent-ley, br(en)-tley\ as a boy's name is of Old English and Celtic origin, and the meaning of Brentley is "hill, mount". Brentley is a variant of Brent (Old English, Celtic): transferred use of the surname.
Brentley has 1 variant form: Brently.
Brentley is not a popular first name for males but a very popular surname or last name for all people (#41249 out of 88799, Top 46%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Brentley for boys (2014 statistics).
Displayed below is a comparison of the popularity of the boy name Brentley and its variant forms. Popular variation forms ranked in the Top 1000/100 are Brentley (#635) and Brent (#841). (2014 statistics).