County Dublin (UK Parliament constituency)

Dublin County
Former County constituency for the House of Commons
Local government in Ireland	County Dublin
Major settlements	Blanchardstown, Swords, Balbriggan
1801–1885
Replaced by	North Dublin and South Dublin
Created from	Dublin County constituency

Dublin County was a parliamentary constituency in Ireland, which returned two Members of Parliament (MPs) to the House of Commons of the Parliament of the United Kingdom.

The constituency was created under the Act of Union 1800, replacing the Dublin County constituency in the Parliament of Ireland. For the 1885 general election, it was replaced with two new county divisions, Dublin County South and Dublin County North.

This constituency comprised the whole of County Dublin, except for the Dublin borough constituency (which was separately represented). The borough comprised the whole of the county of the city of Dublin and the portion of the county at large within the Circular Road (see Dublin City (UK Parliament constituency) for further details.

A Topographical Directory of Ireland, published in 1837, describes some aspects of the Parliamentary history of the county.

Two knights of the shire are returned to the Imperial parliament, who are elected at the county court-house at Kilmainham : the number of electors registered under the 2d of William IV., c. 88, up to Feb. 1st, 1837, is 2728, of which 788 were £50, 407 £20, and 622 £10, freeholders; 18 £50, 427 £20, and 423 £10, leaseholders; and 12 £50, 30 £20, and 1 £10, rent-chargers : the number that voted at the last general election was 1480. Prior to the Union, the boroughs of Swords and Newcastle sent each two members to the Irish House of Commons.

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