Gorteenawillin lies in the south east of the civil parish of Killallaghtan barony of Kilconnell Co Galway. It is bounded by Chelsea in the said barony and by Tooreenard, Killallaghtan and Lurragan Great in the barony of Cloonmacnoon in this parish and by Lowpark and Poppyhill in the parish of Killoran and barony of Longford.
O’Donovan’s Field Name Books gives other spellings of this townland: Guirtin a’Mhuillin and Gurteenawillen.
Down Survey map gives no information on who owned this land in the 1600s.
The census gives no information on who lived in this townland in 1901 and 1911.