Eithen is a distinctive boys' name in United States, ranking #6681 in 2002 with 10 recorded births. This places Eithen 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 2008 with 26 births ranking #3967. In 2002, approximately 1 in every 194,147 boys born was named Eithen. FALLING Recent data shows the name is currently falling.