On 12 Sep 1867 when John was 26, he married Melinda CORNISH, daughter of Samuel CORNISH (1810-1890) & Mary Ann GILBERT (1806-1868), in Poughill, Stratton Reg Dist, Cornwall, England. Born in Q1 1843 in Poughill, Statton Reg Dist, Cornwall, England. Christened on 14 Apr 1843 in Poughill, Cornwall, England.
- 1843: Birth reg Mar qtr 1843 at Stratton dist (ref FreeBMD).
- 1843: Bap 14 Apr 1843 at Poughill, Cornwall (ref IGI).
- 1851 census. Cornwall, England. Civil Parish of Poughill. Registration district of Stratton. Address: Poughill.
Together with her parents and 4 siblings:
Malinda Cornish. Dau. Age 8. Scholar. Born Poughill Cornwall.
- 1861 census. Cornwall, England. Civil parish of Poughill. Registration district of Stratton. Address: Grocers Shop, Village, Poughill.
Together with her parents, brother and grandmother (Mary Gilbert):
Malinda Cornish. Dau. Age 18. Born Poughill, Cornwall.
- 1867 Marr reg Sep qtr 1867 at Stratton dist of Melinda Cornish to John Treleaven (ref FreeBMD).
- 1871 census. Cornwall, England. Civil Parish of Poughill. Registration district of Stratton. Address: Poughill.
Together with her father, and dau Malinda (1):
Malinda Treleven. Dau. Mar. Age 28. Carpenter's Wife. Born Poughill Cornwall.
- 1881 census. Devon, England. Civil Parish of Plymouth Charles. Registration district of Plymouth. Address: 63 Exeter St, Plymouth Charles.
Together with children Melinda (11), Annie (6), Lilly (4), Sydney (2):
John Treleaven. Head. Mar. Age 38. Carpenter. Born Stratton Cornwall.
Melinda Treleaven. Wife. Mar. Age 37. Born Poughill Cornwall.
- 1891 census. Devon, England. Civil Parish of Plymouth. Registration district of Plymouth. Address: 63 Exeter Street Plymouth.
Together with children Harriet M (21), Annie (16), Lily (14), Sidney (12):
John Treleaven. Head. Mar. Age 49. Carpenter. Born Stratton Devonshire.
Melinda Treleaven. Wife. Mar. Age 48. Born Poughill Devonshire.
- 1901 census. Devon, England. Civil Parish of Plymouth. Registration district of Plymouth. Address: 1 Knighton Road Pendowrie Terrace, Plymouth.
Together with children Annie (26), Sydney (22):
John Treleaven. Head. Mar. Age 59. Carpenter. Born Stratton Cornwall.
Melinda Treleaven. Wife. Mar. Age 58. Born Poughill Cornwall.
- 1911 census. Devonshire, England. Parish of Plymouth. Registration district of Plymouth. Address: 30 Knighton Road Plymouth.
John Treleven. Head. Mar. Age 70. Carpenter. Born Stratton Nth Cornwall.
Melinda Treleven. Wife. Mar 44 years. Age 68. Born Poughill Nth Cornwall. Children 4 born 4 living.
Annie Treleven. Dau. S. Age 36. Born Devon Plymouth.
Sydney John Treleven. Son. S. Age 32. Carpenter. Born Devon Plymouth.