What are the most popular baby boy and baby girl names in America? Search common baby names by year. Gender:
Origin of the name Justin: From the Latin JustÄ«nus, which is derived from justus (lawful, right, just). From A World of Baby Names by Teresa Norman.
Justin's paternal great-grandfather was of German descent, and Justin's father's other ancestry is English, Scottish, and Irish. Justin's patrilineal line can be traced back to Philippe Bieber, who was born, c. 1788, in Zilling, Moselle, Lorraine.