Eithen is a distinctive boys' name in United States, ranking #11338 in 2007 with 6 recorded births. This places Eithen in the bottom 21% 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 2007, approximately 1 in every 345,873 boys born was named Eithen. FALLING Recent data shows the name is currently falling.