Kirby ranked #3103 among U.S. baby names in 2024. Since 1881, 18,395 babies have been named Kirby, peaking in 1984 with 509 births. The 1950s were its biggest decade, with 3,130 births. Kirby is on the rise, up about 27% over the past five years. Kirby is given to both girls and boys.