Humphrey Senhouse was a British Tory politician.

His was the eldest son of Humphrey Senhouse (1705–1770), a landowner and High Sheriff

High Sheriff

A high sheriff is, or was, a law enforcement officer in the United Kingdom, Canada and the United States.In England and Wales, the office is unpaid and partly ceremonial, appointed by the Crown through a warrant from the Privy Council. In Cornwall, the High Sheriff is appointed by the Duke of...

 who had founded the port of Maryport

Maryport

Maryport is a town and civil parish within the Allerdale borough of Cumbria, England, in the historic county of Cumberland. It is located on the A596 road north of Workington, and is the southernmost town on the Solway Firth. Maryport railway station is on the Cumbrian Coast Line. The town is in...

, and the heiress Mary, daughter of Sir George Fleming, Bt, Bishop of Carlisle

Bishop of Carlisle

The Bishop of Carlisle is the Ordinary of the Church of England Diocese of Carlisle in the Province of York.The diocese covers the County of Cumbria except for Alston Moor and the former Sedbergh Rural District...

.

Humphrey junior was elected at a by-election in 1786 as a Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 (MP) for Cockermouth

Cockermouth (UK Parliament constituency)

Cockermouth was the name of a constituency of the House of Commons of the Parliament of England in 1295, and again from 1641, then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1918. It was a parliamentary borough represented by two...

. He held that seat until the 1790 general election

British general election, 1790

The British general election, 1790 returned members to serve in the House of Commons of the 17th Parliament of Great Britain to be held, after the merger of the Parliament of England and the Parliament of Scotland in 1707.-Political Situation:...

, when he was returned as an MP for Cumberland

Cumberland (UK Parliament constituency)

Cumberland is a former United Kingdom Parliamentary constituency. It was a constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1832. It was represented by two Knights of...

. He did not contest the seat at the 1796 general election

British general election, 1796

The British general election, 1796 returned members to serve in the 18th and last House of Commons of the Parliament of Great Britain to be held before the formation of the United Kingdom of Great Britain and Ireland on 1 January 1801...

He had married in 1768 Catherine, the daughter of Thomas Wood, of Beadnell, Northumberland; they had one surviving child, another Humphrey.