Lowen is a Cornish word and name meaning "joyful" or "happy", and in the United States it also works as a fresh take on Rowen and Bowen. It is given to both girls and boys. The girls' side has grown fast, from number 11485 in 2015 to number 2030 in 2023 and number 1639 in 2025, its best rank so far, with 127 births.