Missing building tags
The roof of this building is/was likely thatched.

Below sources are only for reference, they can (mostly) not be used for mapping purposes.

Heritage https://heritageireland.ie/visit/places-to-visit/dwyer-mcallister-cottage/
NIAH https://www.buildingsofireland.ie/buildings-search/building/16402801/dwyer-mcallister-cottage-derrynamuck-co-wicklow
Historic Environment Viewer: Also has an entry “WI028-030—-“ (search “Derrynamuck, Wicklow”) https://maps.archaeology.ie/HistoricEnvironment/
Wikidata (is already on the POI) https://www.wikidata.org/wiki/Q28195932
Wikimedia Commons https://commons.wikimedia.org/wiki/File:Donard_-Dwyer%E2%80%93McAllister_Cottage-_20190629151105.jpg