This cottage was home to William and Rionach Sayre, who were quietly helpful to their Muggle neighbours. Their daughter, Isolt Sayre, was born in Ilvermorny in around 1603 and was raised there until she was five, when her estranged and fanatically prejudiced pure-blood aunt, Gormlaith Gaunt assaulted the cottage and burned it to the ground, killing Mr and Mrs Sayre in the process and took their daughter to be raised by her in the neighbouring valley of Coomcallee, "Hag's Glen".
Sometime afterwards, Isolt fled from her aunt and settled in Massachusetts in the New World. There, she would establish Ilvermorny School of Witchcraft and Wizardry, so christened after her childhood home.
- Pottermore (Mentioned only)