Residents of Clarke — Sub-district C, surnames U (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 7 | underwood | charles | M | 24 | Methodist | Irish | Ontario | Farmers, general and nfs | 168 |
| 10 | underwood | elizabeth | F | 18 | Methodist | Irish | Ontario | No Occupation Listed | 168 |
| 9 | underwood | isabella | F | 20 | Methodist | Irish | Ontario | No Occupation Listed | 168 |
| 13 | underwood | lousia | F | 12 | Methodist | Irish | Ontario | No Occupation Listed | 168 |
| 5 | underwood | margret | F | 49 | Methodist | Irish | Ireland | No Occupation Listed | 168 |
| 11 | underwood | margret | F | 16 | Methodist | Irish | Ontario | No Occupation Listed | 168 |
| 12 | underwood | mary | F | 14 | Methodist | Irish | Ontario | No Occupation Listed | 168 |
| 4 | underwood | thos | M | 65 | Methodist | Irish | Ireland | Farmers, general and nfs | 168 |
| 6 | underwood | thos | M | 26 | Methodist | Irish | Ontario | Agent nfs | 168 |
| 8 | underwood | william | M | 22 | Methodist | Irish | Ontario | Farmers, general and nfs | 168 |