|1st Earl of Bridgewater|
|Successor||John Egerton, 2nd Earl of Bridgewater|
|Died||4 December 1649|
|Spouse(s)||Lady Frances Stanley|
|Issue||Lady Elizabeth Egerton|
Lady Mary Egerton
Lady Frances Hobart
Alice Vaughan, Countess of Carbery
Lady Arabella Egerton
James Egerton, Viscount Brackley
Charles Egerton, Viscount Brackley
John Egerton, 2nd Earl of Bridgewater
|Father||Thomas Egerton, 1st Viscount Brackley|
Egerton served as Member of Parliament (MP) for Callington from 1597 to 1598, and for Shropshire in 1601. Knighted on 8 April 1599, he was Baron of the Exchequer of Chester from 1599 to 1605. In 1603, Sir Thomas was promoted Knight of the Bath and, in 1605, he proceeded Master of Arts from the University of Oxford. Having succeeded to his father's titles in March 1617, he was created Earl of Bridgewater on 27 May 1617.
Lord Bridgewater was sworn of the Privy Council in 1626. From 1605 to 1646, he was Custos Rotulorum of Shropshire and from 1628 to 1649 Custos Rotulorum of Buckinghamshire. Between 1631 and 1634, he was Lord President of Wales and Lord Lieutenant of Wales and the Marches of Herefordshire, Monmouthshire, Shropshire and Worcestershire.
The 1st Earl of Bridgewater is commemorated by a memorial in the Bridgewater Chapel at St. Peter and St. Paul Church, Little Gaddesden, Hertfordshire. In the early 17th century, the 1st Earl's father purchased Ashridge House, one of the largest country houses in England, from Queen Elizabeth I, who inherited it from her father who had appropriated it after the dissolution of the monasteries in 1539. Ashridge House remained an Egerton family residence until the 19th century. The Egertons later built a domestic chapel with burial vault at Little Gaddesden Church, where many monuments commemorate the Dukes and Earls of Bridgewater and their relatives. Lord Bridgewater died on 4 December 1649.
On 27 June 1602, Egerton married Lady Frances Stanley, daughter of Ferdinando, 5th Earl of Derby and Lady Alice Spencer, Lord Bridgewater's step-mother (after Ferdinando Stanley's death, on 20 October 1600, Lady Alice had married John's father Thomas Egerton, 1st Viscount Brackley). John and Frances had eight children:
- Lady Elizabeth Egerton (d. 1688), married David Cecil, 3rd Earl of Exeter
- Lady Mary Egerton (d. 1659), married Richard Herbert, 2nd Baron Herbert of Chirbury
- Lady Frances Egerton (d.1664), married Sir John Hobart, 2nd Baronet
- Lady Alice Egerton (d. 1689), married Richard Vaughan, 2nd Earl of Carbery as his third wife.
- Lady Arabella Egerton (d. 1669), married Oliver St John, 5th Baron St John of Bletso
- James Egerton, Viscount Brackley (1616–1620), died young
- Charles Egerton, Viscount Brackley (b. 1623), died young
- John Egerton, 2nd Earl of Bridgewater (1623–1686)
- Debrett's Peerage, 1968, p.1077, Duke of Sutherland
- The Brasenose College Register 1509-1909. 1909. p. 75.
- Bridgewater Chapel at Little Gaddesden Church, accessed 24 July 2015
- Monuments in the Bridgewater Chapel, accessed 24 July 2015
- Burke's 106th edition, p.1233, has his marriage as being in circa 1601
- Cokayne, The Complete Peerage, volume II, page 272.
- Allen, Elizabeth (23 September 2004). Hobart [née Egerton], Lady Frances (1603–1664), religious patron and benefactor. Vol. 1. Oxford University Press. doi:10.1093/ref:odnb/66725.
- The Earl of Bridgewater and the English Civil War C L Hamilton, Canadian Journal of History, xv (1980), pp. 357–69