Glynnis is a distinctive girls' name in United States, ranking #7960 in 1997 with 11 recorded births. The name reached its all-time peak in 1997 with 11 births ranking #7960. Since 1996, the popularity has increased by 22.2%. In 1997, approximately 1 in every 158,242 girls born was named Glynnis. FALLING Recent data shows the name is currently falling.