Roger Grainsby

{{short description|Member of the Parliament of England}}

{{Use dmy dates|date=April 2017}}

{{Use British English|date=April 2017}}

Roger Grainsby was the member of Parliament for Great Grimsby in 1421. He was mayor of the town in 1418–9, 1425–6, and 1433–4.[http://www.historyofparliamentonline.org/volume/1386-1421/constituencies/grimsby Great Grimsby] The History of Parliament. Retrieved 25 October 2016.[http://www.historyofparliamentonline.org/volume/1386-1421/member/grainsby-roger GRAINSBY, Roger, of Grimsby, Lincs.] The History of Parliament. Retrieved 25 October 2016.