i. "Census Returns of England and Wales, 1851." online database.; Page entry for William Cramp household, Quorndon, Leicestershire; [Source Record]; Certainty Primary Evidence
ii. Marriage Certificates.; Page marriage certificate for William Cramp and Miriam Watts, married 15 Dec 1846; citing /77, Q4 quarter 1846, Barrow upon Soar registration district; [Source Record]; Certainty Questionable