Kiersten is a moderately popular girls' name in United States, ranking #488 in 1999 with 532 recorded births. The name reached its all-time peak in 2005 with 662 births ranking #460. Since 1996, the popularity has decreased by 11.6%. In 1999, approximately 1 in every 3,334 girls born was named Kiersten. FALLING Recent data shows the name is currently falling.