Tullyhunco (Irish: Teallach Dhúnchadha)[1] is a barony in County Cavan, Ireland.

The territory was historically known as Teallach Dhúnchadha and was ruled by clan Mág Tighearnán.

[citation needed] For centuries it was part of the Kingdom of Breifne, a loose union of chiefdoms that the O'Rourkes ruled as overlords.

In 1584 the barony of Tullyhunco was officially demarcated and granted to clan Mág Tighearnán by the Kingdom of Ireland.

[3] Settlements in Tullyhunco include: This article related to the geography of County Cavan, Ireland is a stub.