Effy is a distinctive girls' name in United States, ranking #17291 in 2014 with 5 recorded births. This places Effy in the bottom 10% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2023 with 14 births ranking #7743. In 2014, approximately 1 in every 357,187 girls born was named Effy. RISING Recent data shows the name is currently rising.