Lennix is of Scandinavian origin, derived from the Old Norse elements 'leinn' meaning 'tender' or 'gentle', and 'hjálmr' signifying 'helmet'. This unique name gained popularity in recent times, likely due to its modern sound and Nordic heritage.
"Lennix experienced a steady increase in popularity from 2011 to 2022, with a significant jump in 2015 and peaking at 48 births in 2023."