| Birth | 1857 | Brighton, Sussex | | | |
| Birth | Abt 1858 | Brighton, Sussex | | | |
| Birth | Apr 1858 | Brighton, Sussex, United Kingdom | | | |
| Baptism | 25 Apr 1858 | Brighton, Sussex | | | |
| Residence | 1861 | Age: 4; Relation to Head of House: Son - Brighton, Sussex | | | |
| Residence | 1871 | Age: 12; Relation to Head of House: Son - Brighton, Sussex | | | |
| Residence | 1891 | Age: 33; Relation to Head of House: Head - Selsey, Sussex | | | |
| Residence | 1901 | Age: 43; Relation to Head of House: Head - Selsey, Sussex | | | |
| Marriage | 1 Jun 1905 | East Dulwich St John the Evangelist, England - Minna Maud "Minnie or Maria" Garland | | | |
| Residence | 2 Apr 1911 | Marital Status: Married; Relation to Head of House: Head - Littlehampton, Sussex | | | |
| Death | 19 Jul 1936 | Worthing | | | |
| Alt name | | James Sinnoerf | | | |
| Alt name | | Robert James Sinnock | | | |
| Alt name | | Robert James Sinnock | | | |
| Residence | | England | | | |