Popularity: 4767
Origin: Gaelic
Meaning: pledge or oath
Arlin is a boy’s name of Gaelic origins that means “pledge” or “oath.” A big meaning for a little person, Arlin will inspire baby to lead an honorable life—one in which he keeps his pledges and fulfills his oaths. An alternative spelling of Arlen, this name is also a great choice if you want to pay homage to your Celtic heritage.