Fynn is a distinctive boys' name in England & Wales, ranking #810 in 2022 with 39 recorded births. The name reached its all-time peak in 2008 with 71 births ranking #489. Since 1996, the popularity has increased by 254.5%. In 2022, approximately 1 in every 7,292 boys born was named Fynn. FALLING Recent data shows the name is currently falling.