It was created on 10 September 1831 for Arthur Chichester, Member of Parliament for Milborne Port and County Wexford.

He was the son of Lord Spencer Stanley Chichester, third son of The 1st Marquess of Donegall (see Marquess of Donegall for earlier history of the Chichester family).

The Honourable Augustus George Charles Chichester (1822–1896), second son of the first Baron, was a Lieutenant-General in the 77th Foot.

The Honourable Sir Gerald Henry Crofton Chichester (1886–1939), second son of the third Baron, was private secretary to Queen Mary between 1935 and 1939.

[2] Subsequently, the County Donegal portion of Templemore was made into separate parishes (Muff, Burt, and Inch).