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.
Justinian I, Latin in full Flavius Justinianus, original name Petrus Sabbatius, (born 483, Tauresium, Dardania [probably near modern Skopje, Macedonia]âdied November 14, 565, Constantinople [now Istanbul, Turkey]), Byzantine emperor (527â565), noted for his administrative reorganization of the imperial government and for his sponsorship of a codification of laws known as the Codex Justinianus (534).