The method of election was proportional representation by means of the single transferable vote (PR-STV).

The constituency was located in the northern half of County Kerry, located between the River Shannon estuary and the Slieve Mish Mountains; and included Tralee, Listowel, Tarbert, Ballybunion and Castleisland.

[5][6] The constituency of Kerry North–West Limerick comprised the northern half of County Kerry, located between the River Shannon estuary and the Slieve Mish Mountains; taking in Tralee, Listowel, Tarbert, Ballybunion and Castleisland; and the western part of County Limerick taking in the town of Abbeyfeale; and the villages of Athea, Glin, Mountcollins, Templeglantine and Tournafulla.

Following the death of Clann na Poblachta TD Johnny Connor, a by-election was held on 29 February 1956.

The seat was won by the Clann na Poblachta candidate Kathleen O'Connor, daughter of the deceased TD.