John Kelby was the

member of Parliament A member of parliament (MP) is the representative in parliament of the people who live in their electoral district. In many countries with bicameral parliaments, this term refers only to members of the lower house since upper house members o ...

for

Great Grimsby Grimsby or Great Grimsby is a port town and the administrative centre of North East Lincolnshire, Lincolnshire, England. Grimsby adjoins the town of Cleethorpes directly to the south-east forming a conurbation. Grimsby is north-east of Linc ...

in 1393, 1397, 1402 and 1406, and the bailiff of that town for 1393–94.KELBY, John, of Grimsby, Lincs.
The History of Parliament. Retrieved 25 October 2016.

References

English MPs 1393 Year of birth missing Year of death missing Members of the Parliament of England for Great Grimsby English MPs September 1397 English MPs 1402 English MPs 1406 {{15thC-England-MP-stub