See also the related category hebrew.
Eathyn is seldom used as a baby name for boys. It is not listed within the top 1000 names. Within the group of boy names directly related to Eathyn, Ethan was the most widely used in 2018.
Baby names that sound like Eathyn include Ethyn, Eadin, Edain, Edin (English and Albanian), Edwenn, Edwenne, Edwin (English and German), Edwine, Edwinn (English), Edwinne, Edwyn (English and Welsh), Edwynn, Edwynne, Edyn, Eftin, Eftyn, Eitan (Hebrew), Etan (English and Hebrew), Etawn, and Ethin.
† approx English pronunciation for Eathyn: EH as in "ebb (EH.B)" ; TH as in "theme (TH.IY.M)" ; IY as in "eat (IY.T)" ; N as in "knee (N.IY)"