Genna is a distinctive girls' name in United States, ranking #6824 in 2015 with 18 recorded births. The name reached its all-time peak in 2002 with 92 births ranking #1922. Since 1996, the popularity has decreased by 78.6%. In 2015, approximately 1 in every 99,147 girls born was named Genna. FALLING Recent data shows the name is currently falling.