Kelcey is an uncommon given name of English origin, derived from the Old Norse male name Kælici. It is believed to have been introduced to England by Viking settlers during the Middle Ages and has since evolved into a unisex name. The name Kelcey does not appear to have any specific meaning or association with nature, animals, or mythological figures. It is pronounced /ˈkɛlsi/ in the International Phonetic Alphabet.
The name Kelcey peaked in popularity between the years 1974 to 1978, with a high of 32 births in 1974 and remaining consistently above 20 births each year during this period. After 1978, the number of annual births named Kelcey began to decline, fluctuating between 5 to 29 births per year until 2006 when it saw a brief resurgence with 11 births. Since then, the name has not gained much traction, with only 5 births in 2007 and 2023 each. In total, there were 697 births named Kelcey from 1967 to 2023.