Hi, am not sure if this is your Henry.
Transcribed as Henry Mastin :
1851 Hinckley Census H0107/2082 page 30 folio 190
?? Street (sorry can't read address)
John Martin, head, marr, 55, stocking maker, born Hinckley
Rebecca Martin, wife, marr, 62, born Sileby
Henry Martin, son, 23, stocking maker, born Leicester
Thomas Martin, son, 20, stocking maker, born Leicester
Leonard Martin, son, 15, stocking maker, born Hinckley
Jane Martin, daug, 11 (not sure of occ - learner??), born Hinckley
FEK 33