Residents of Mersea — Sub-district H, surnames U (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 1 | _uggelsworth | barbara | F | 4 | Methodist | English | Ontario | No Occupation Listed | 35 |
| 23 | _uggelsworth | james | M | 28 | Methodist | English | England | Farmers, general and nfs | 35 |
| 24 | _uggelsworth | jessie | F | 26 | Methodist | English | England | No Occupation Listed | 35 |
| 25 | _uggelsworth | maryann | F | 7 | Methodist | English | Ontario | No Occupation Listed | 35 |
| 2 | _ugglesworth | henry | M | 1 | Methodist | English | Ontario | No Occupation Listed | 35 |
| 13 | ulch | arthur | M | 6 | Episcopal Methodist | German | Ontario | No Occupation Listed | 217 |
| 10 | ulch | ellis | M | 13 | Episcopal Methodist | German | Ontario | No Occupation Listed | 217 |
| 12 | ulch | henry | M | 9 | Episcopal Methodist | German | Ontario | No Occupation Listed | 217 |
| 11 | ulch | martha | F | 11 | Episcopal Methodist | German | Ontario | No Occupation Listed | 217 |
| 15 | ulch | mary | F | 2 | Episcopal Methodist | German | Ontario | No Occupation Listed | 217 |
| 9 | ulch | nancy | F | 32 | Episcopal Methodist | English | Ontario | No Occupation Listed | 217 |
| 8 | ulch | thomas | M | 40 | Episcopal Methodist | German | Ontario | Farmers, general and nfs | 217 |
| 14 | ulch | william | M | 4 | Episcopal Methodist | German | Ontario | No Occupation Listed | 217 |
| 8 | underwood | albert | M | 43 | Wesleyan Methodist | English | Ontario | Hotel Keepers and Managers | 82 |
| 11 | underwood | benjamin | M | 4 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 82 |
| 10 | underwood | george | M | 6 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 82 |
| 9 | underwood | mary | F | 23 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 82 |
| 12 | underwood | susan | F | 0 | Wesleyan Methodist | English | Ontario | No Occupation Listed | 82 |
| 22 | upcot | corilla | F | 4 | Methodist | English | Ontario | No Occupation Listed | 179 |
| 20 | upcot | drusella | F | 9 | Methodist | English | Ontario | No Occupation Listed | 179 |
| 21 | upcot | herman | M | 8 | Methodist | English | Ontario | No Occupation Listed | 179 |
| 18 | upcot | john | M | 32 | Methodist | English | Ontario | Farmers, general and nfs | 179 |
| 19 | upcot | mary | F | 31 | Methodist | English | Ontario | No Occupation Listed | 179 |
| 6 | upcott | charlotte | F | 26 | Methodist | Canadian | Ontario | No Occupation Listed | 34 |
| 18 | upcott | jane | F | 15 | Episcopal Methodist | English | Ontario | No Occupation Listed | 34 |
| 9 | upcott | jason | M | 4 | Methodist | Canadian | Ontario | No Occupation Listed | 34 |
| 8 | upcott | luis | M | 6 | Methodist | Canadian | Ontario | No Occupation Listed | 34 |
| 16 | upcott | renus | M | 27 | Episcopal Methodist | English | Ontario | Farmers, general and nfs | 34 |
| 19 | upcott | robert | M | 9 | Episcopal Methodist | English | Ontario | No Occupation Listed | 34 |
| 7 | upcott | solomon | M | 8 | Methodist | Canadian | Ontario | No Occupation Listed | 34 |
| 15 | upcott | thomas | M | 57 | Episcopal Methodist | English | Ontario | Farmers, general and nfs | 34 |
| 17 | upcott | victoria | F | 27 | Episcopal Methodist | English | Ontario | No Occupation Listed | 34 |
| 5 | upcott | william | M | 30 | Methodist | Canadian | Ontario | Farmers, general and nfs | 34 |