The name Keilan experienced a steady increase in popularity from the late 1990s to its peak in the early 2000s, with a significant spike in 1998 (27 births) and reaching its highest point in 2000 (40 births). However, it declined sharply thereafter, dropping below 30 births per year from 2003 onwards. Recent years show some fluctuations but remain relatively low compared to the peak decades, with 2021 and 2022 both recording 41 births each. Overall, there have been a total of 1260 births named Keilan since 1976.