Baron Congleton, ofCongleton in the County Palatine ofChester, is a title in thePeerage of the United Kingdom. It was created in 1841 for theWhig politician, formerSecretary at War, andPaymaster of the ForcesSir Henry Parnell, 4th Baronet. His eldest son, the second baron, devoted his life to religious work and was an early member of thePlymouth Brethren. The latter was succeeded by his younger brother, the third baron. He served in theRoyal Navy and fought at theBattle of Navarino in 1827. His eldest surviving son, the fourth baron, was a major general in theBritish Army and served in theCrimean War and theAnglo-Zulu War. The latter's eldest son, the fifth baron, was killed in action inYpres Salient during theFirst World War and was succeeded by his younger brother, the sixth baron. As of 2015[update], the titles are held by the latter's grandson, the ninth baron, who succeeded his father in 2015.
TheParnell Baronetcy of Rathleague in the Queen's County was created in theBaronetage of Ireland on 3 November 1766 for the first baron's grandfather,John Parnell. He representedMaryborough in the Irish Parliament. His son, the second baron, sat as a Member of theIrish House of Commons forQueen's County and served as Chancellor of the Exchequer inIreland. His younger son was the aforementioned fourth baronet, who was raised to the peerage in 1841.
Another member of the Parnell family wasCharles Stewart Parnell. He was a grandson of William Parnell-Hayres, third son of the second baronet.
Theheir apparent is the present holder's eldest son, the Hon. Christopher John Edward Parnell (born 1987).