Caeli is usually read in one of two ways: as a modern spelling of Kaylee, itself a blend of Kay and Lee, or as a Latin-flavored name taken from caelum, so that it means "of heaven" or "heavenly". Either way it stays rare and is pronounced like Kaylee. In the United States Caeli climbed from number 4004 in 2015 to a peak of number 1475 in 2023 and ranks 2081 among girls' names in 2025.