Holy trees and bushes, often hawthorns, were treated as sacred, typically because of their association with a nearby holy well, a local saint, or a pattern day, the annual communal gathering at a sacred site that blended Catholic observance with older folk custom. Offerings left at such trees, strips of cloth, coins, small medals, were understood as petitions or tokens of devotion, and the tree itself was considered protected; to cut or damage one was widely held to bring misfortune.

Killeenadeema, whose name derives from the Irish meaning something close to "little church of the Daimhe", is a rural parish in the barony of Loughrea. The landscape here is typical of the south Galway plain, low and open, with a scattering of early ecclesiastical and folk-religious sites that reflect centuries of layered practice. Holy trees in Ireland are classified as archaeological monuments not because they are ancient in the conventional sense, but because the traditions attached to them are considered part of the intangible and material heritage of a place, rooting living belief in a specific spot in the land. The precise species, location, and local tradition associated with this particular tree or bush in Killeenadeema have not been fully documented in publicly available sources, which is itself a not uncommon situation for sites of this kind, where local knowledge has often outpaced formal record.