Justin is of Latin origin, derived from the Roman family name 'Justinus', which was itself derived from the Latin word 'justus' meaning 'just' or 'fair'. It gained popularity in English-speaking countries during the Middle Ages due to its association with Saint Justin Martyr, a notable early Christian philosopher and apologist. The name Justin has been used by several prominent figures throughout history, including popes, kings, and even astronauts, reflecting its enduring appeal across various cultures and eras.
"Justin has been a popular baby boy name with peaks in the late '70s and mid to late '80s, particularly in 1982, 1983, and 1986."