Jayni is a distinctive girls' name in United States, ranking #17618 in 2015 with 5 recorded births. The name reached its all-time peak in 2003 with 10 births ranking #9987. Since 1996, the popularity has decreased by 16.7%. In 2015, approximately 1 in every 356,931 girls born was named Jayni. RISING Recent data shows the name is currently rising.