Ernst is a distinctive boys' name in United States, ranking #6181 in 1999 with 10 recorded births. This places Ernst in the bottom 47% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 11 births ranking #5388. In 1999, approximately 1 in every 192,009 boys born was named Ernst. FALLING Recent data shows the name is currently falling.