Conchobar ‘Buidhe’ Mág Tighearnán (anglicised Conor ‘The Tawny’ McKiernan) was chief of the McKiernan Clan of Tullyhunco, County Cavan from 1312 until 1314
Cú Connacht Mág Tighearnán (anglicised Constantine McKiernan) was chief of the McKiernan Clan of Tullyhunco, County Cavan from 1383 until his death in 1412
David D. McKiernan (born 1950), United States Army four-star general and Commander ISAF and USFOR-A
Dennis McKiernan (born 1932), American fantasy writer best known for The Iron Tower
Eoin McKiernan (1915–2004), early Irish Studies scholar and founder of Irish American Cultural Institute
Fergal Mág Tighearnán the First, (anglicised Fergal McKiernan) was chief of the McKiernan Clan of Tullyhunco, County Cavan from 1362 until his death in 1383
Fergal Mág Tighearnán, the Second, (anglicised Fergal McKiernan) was chief of the McKiernan Clan of Tullyhunco, County Cavan from 1512 until his death in 1523
Fergal Mág Tighearnán, the Third, (anglicised Fergal McKiernan) was chief of the McKiernan Clan of Tullyhunco, County Cavan until his death in 1588
Jim McKiernan (1944–2018), Irish-born Australian politician
John Mág Tighearnán the First, (anglicised John McKiernan) was chief of the McKiernan Clan of Tullyhunco, County Cavan until his death in 1499
John Mág Tighearnán, the Second, (anglicised John McKiernan) was chief of the McKiernan Clan of Tullyhunco, County Cavan including the period 1641 to 1657
John S. McKiernan (1911–1997), American Democratic politician and Lieutenant Governor and Governor of Rhode Island
Kevin McKiernan (born 1944), veteran foreign correspondent and documentary filmmaker
This page lists people with the surnameMcKiernan. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.