William Henry Rattigan Liberal Unionist Alexander Findlay Liberal The 1904 North East Lanarkshire by-election was a Parliamentary by-election held on 10 August 1904.

[1] The constituency returned one Member of Parliament (MP) to the House of Commons of the United Kingdom, elected by the first past the post voting system.

Sir William Henry Rattigan had been Liberal Unionist MP for the seat of North East Lanarkshire since the 1901 North East Lanarkshire by-election.

[2] The seat had been Liberal Unionist since they gained it in 1901; Polling Day was fixed for 10 August 1904.

The Liberals gained the seat from the Conservatives; At the following General Election the result was;