Grettel is a distinctive girls' name in United States, ranking #5157 in 2010 with 27 recorded births. This places Grettel in the top 26% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 94 births ranking #2065. In 2010, approximately 1 in every 65,827 girls born was named Grettel. FALLING Recent data shows the name is currently falling.