Meaning and name origin
Harlin \ha(r)-lin\ as a boy's name is of Old English origin, and the meaning of Harlin is "army land". Harlin is a variant of Harlan (Old English): place name. A given name that is only scarcely used.
Harlin is not a popular first name for males but a very popular surname or last name for all people (#24621 out of 88799, Top 28%) (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the boy name Harlin and its variant forms. Popular variation forms ranked in the Top 1000/100 are Harlan (#936) and Harlen. (Source: 2014 Birth Name Statistics).