Ringforts, known in Irish as raths when constructed from earthen banks and ditches, were the most common form of rural settlement in early medieval Ireland, typically enclosing a farmstead and its outbuildings. Tens of thousands were built across the country, yet each one occupies a particular patch of ground chosen by a particular family, and that specificity is part of what makes them worth paying attention to.

The townland name Gortatoor derives from the Irish, most likely containing the element "gort", meaning a field or tilled land, which hints at a landscape long shaped by agriculture. Raths of this kind generally date to the period between roughly the sixth and twelfth centuries, when Ireland's rural population organised itself around enclosed family farms. The enclosing bank, sometimes accompanied by an outer fosse or ditch, served both as a boundary marker and as a modest form of protection for livestock. The people who built and lived within such enclosures were not kings or warriors in the heroic sense; they were farmers, and the rath at Gortatoor is a remnant of that ordinary, persistent way of life.

Details specific to this particular site remain sparse, so the most honest thing to say is that the monument repays a close look at the ground itself. Mayo's ringforts often survive as low, grass-covered banks, easily mistaken for natural undulations by anyone not looking for them, which is itself a reason to look carefully.