Its source is a Gaelic expression meaning "Hill."
Its Hindi form is derived from a Sanskrit expression meaning ''Star.'' Its European usage derives from a Gaelic place name meaning ''hill.''
The high kings of Ireland resided in a place called Tara in Meath, and it is safe to suppose that Margaret Mitchell had this in mind when she named the fictional home of Scarlett O'Hara in her 1936 novel Gone With the Wind. That book influenced the use of several names, including Ashley and Scarlett and Rhett.