John Brownlow, 1st Viscount Tyrconnel

John Brownlow, 1st Viscount Tyrconnel KB (16 November 1690 – 27 February 1754), known as Sir John Brownlow, 5th Baronet, from 1701 to 1718, was a British Member of Parliament.

Tyrconnel was the son of Sir William Brownlow, 4th Baronet, and Dorothy Mason. Both his parents died before he was 11 and he was brought up by his maternal grandmother, Lady Mason, who had assumed administration of his father's affairs. When he came of age he found great fault with the management of his property, and the resulting coolness between himself and his grandmother was exacerbated by his possession of the manor of Sutton in Surrey, which he had inherited from his mother, but which Lady Mason believed belonged rightly to the children of her other daughter, Anna.

He was elected to the House of Commons for Grantham in 1713, a seat he held until 1715 and again from 1722 to 1741, and also represented Lincolnshire between 1715 and 1722. In 1718 he was raised to the Peerage of Ireland as Baron Charleville, in the County of Cork, and Viscount Tyrconnel. Lord Tyrconnel married firstly his first cousin Eleanor Brownlow, daughter of Sir John Brownlow, 3rd Baronet. After his first wife's death in 1730 he married secondly Elizabeth Cartwright, daughter of William Cartwright. There were no children from the two marriages. Tyrconnel died in February 1754, aged 63. Both the baronetcy and the two peerages became extinct on his death. The Brownlow estates were inherited by his nephew Sir John Cust, 3rd Baronet, whose son was raised to the peerage as Baron Brownlow in 1776.

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