Dictionary of Cumbrian Lives on Cumbrian Lives

The worthies of Westmorland or, Notable persons born in that county since the reformation.
by George Atkinson. Published in 1849, J. Robinson (London), it is available as full-text on Internet Archive.

Worthies of Cumberland and Westmorland on Steve Bulman's site.

Biographies of Notable people on Wikipedia

Other listings and biographies on Wikipedia

List of Lord Lieutenants for Cumberland

List of High Sheriffs for Cumberland

Custos Rotulorum of Cumberland - Keepers of the Rolls

List of MPs for Cumberland constituency

Cumberland and Westmorland M.P.'s from the Restoration to the Reform Bill of 1867, 1660-1867.
by Richard Saul Ferguson Published in 1871, Bell 2nd Daldy (London) available full-text on OpenLibrary.

The ejected of 1662 in Cumberland and Westmorland their predecessors and successors.
by Nightingale, B. Published in 1911, Univ. Press (Manchester) is available on Open Library.

• Names from the Autobiography of the Rev. William Gill (b. Totnes, Devon, 1813), extracted by Mike Foster.

• Dictionary of National Biography Index and Epitome, ed. Sir Sidney Lee (1903), based on the 63-volume work. It's part of the Bolles London Collection in the Perseus Project, Tufts University in Massachusetts. This volume, with 30,378 biographical entries on English, Welsh, Scottish, and Irish notables up to the late 19th century, grew into today's three-volume Concise DNB, and the entire DNB is now being revised by Oxford University Press. (Users with a UK public library card can access the current DNB at http://www.oxforddnb.com/.)
• The BBC's Memoryshare website (archived copy) is "a living archive of memories from 1900 to the present day [to which readers] can contribute, share and browse memories of life experiences and see them in the context of recent and historical events.".
• The Methodist Archives - Index of Methodist ministers.
• Searchable Index to Who Was Who 1897-1916,  provided by UK Genealogy Archives.