1878 Middlesbrough by-election

1878 Middlesbrough by-election

← 1874 5 July 1878 (1878-07-05) 1880 →

Middlesbrough constituency
 
Candidate Isaac Wilson Samuel Sadler
Party Liberal Conservative
Popular vote 5,307 2,415
Percentage 68.7 Increase15.4 p.p. 31.3 Increase9.3 p.p.

MP before election

Henry Bolckow
Liberal

Elected MP

Isaac Wilson
Liberal

The 1878 Middlesbrough by-election was a parliamentary by-election held on 5 July 1878 to elect a new Member of Parliament (MP) for the British House of Commons constituency of Middlesbrough in the North Riding of Yorkshire.