Harlowe is an elaborated spelling of Harlow, an English place name and surname from the Old English here, army, and hlaw, hill, so it means "army hill" or "hill of the people". Actress Jean Harlow gave the name its glamour, and celebrity babies have revived it as a girl's name in the 21st century. Harlowe has risen steadily from number 3621 in 2015 to a peak of number 1677 in 2024 and ranks 1784 in 2025.