Kennedi is a moderately popular girls' name in United States, ranking #387 in 2015 with 848 recorded births. The name reached its all-time peak in 2015 with 848 births ranking #387. Since 1996, the popularity has increased by 497.2%. In 2015, approximately 1 in every 2,105 girls born was named Kennedi. FALLING Recent data shows the name is currently falling.