Search for Cwrt & Llangeinwen; "Cwrt" is not uncommon in Welsh for a dwelling, but rendered as"Quirt" by non-Welsh-speakers. It is, of course, a borrowing from English "court".
Nearest I can find is Quirt and Quirt Lodge:https://maps.nls.uk/view/101604451#zoom=5&lat=3356&lon=2977&layers=BT