Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Kingston upon Hull Central by-election, 1919 was a parliamentary by-election held for the British House of Commons constituency of Kingston upon Hull Central on 29 March 1919. The seat had become vacant when the Coalition Conservative Member of Parliament (MP) Sir Mark Sykes had died on 16 February 1919 aged 39, a victim of the Spanish flu pandemic. He had held the seat since winning a by-election there on 5 July 1911.