Ustin is a unique and historic first name, derived from the Latin 'Justus', meaning 'just' or 'righteous'. It has been used throughout history, particularly in Slavic cultures, but remains relatively uncommon today. The name Ustin is often associated with notable figures like Ustinoff, a Russian Orthodox Church saint, further adding to its historical significance.
"The name Ustin saw a significant increase in popularity between 1982 and 1988, with birth numbers nearly tripling from 8 to 24 during these years."