Residents of Blenheim — Sub-district G, surnames I (1881 Census)
| # | Surname | Given | Sex | Age | Religion | Origin | Birthplace | Occupation | HH |
| 16 | inats | alfred | M | 22 | Methodist | English | Ontario | Blacksmiths | 56 |
| 13 | ing | jessie | M | 69 | Methodist | English | England | Labourers nfs | 78 |
| 14 | ing | sarah | F | 77 | Methodist | English | England | No Occupation Listed | 78 |
| 23 | innis | james | M | 26 | Baptist | Scottish | Ontario | Clerks in shops and stores | 399 |
| 24 | innis | lizzie | F | 25 | Presbyterian | Irish | Ireland | No Occupation Listed | 399 |
| 19 | inwood | james | M | 23 | Methodist | English | Ontario | Farmers, general and nfs | 430 |
| 22 | inwood | john | M | 13 | Methodist | English | Ontario | No Occupation Listed | 430 |
| 21 | inwood | margaret | F | 16 | Methodist | English | Ontario | No Occupation Listed | 430 |
| 16 | inwood | mariah | F | 45 | Methodist | English | England | No Occupation Listed | 430 |
| 18 | inwood | mary | F | 24 | Methodist | English | Ontario | No Occupation Listed | 430 |
| 20 | inwood | sarah | F | 18 | Methodist | English | Ontario | No Occupation Listed | 430 |
| 17 | inwood | william | M | 26 | Methodist | English | Ontario | Farmers, general and nfs | 430 |
| 24 | iron_ | herbert | M | 16 | Baptist | German | Ontario | Farmers, general and nfs | 338 |
| 1 | irving | agnes | F | 72 | Presbyterian | Scottish | Scotland | No Occupation Listed | 389 |
| 25 | irving | annie | F | 36 | Presbyterian | Scottish | Ontario | No Occupation Listed | 380 |
| 4 | irving | annie | F | 2 | Presbyterian | Scottish | Ontario | No Occupation Listed | 380 |
| 3 | irving | annie | F | 25 | Presbyterian | Irish | Ontario | No Occupation Listed | 390 |
| 2 | irving | arthur | M | 7 | Presbyterian | Scottish | Ontario | No Occupation Listed | 380 |
| 7 | irving | chales | M | 2 | Other Brethren, n.e.c. | Irish | Ontario | No Occupation Listed | 140 |
| 2 | irving | ellen | F | 53 | Other Brethren, n.e.c. | Irish | Ireland | No Occupation Listed | 140 |
| 14 | irving | ethel | F | 3 | Presbyterian | Scottish | Ontario | No Occupation Listed | 228 |
| 1 | irving | john | M | 65 | Other Brethren, n.e.c. | Irish | Ireland | Foremen and supervisors nfs | 140 |
| 3 | irving | john | M | 4 | Presbyterian | Scottish | Ontario | No Occupation Listed | 380 |
| 25 | irving | john | M | 72 | Presbyterian | English | England | Farmers, general and nfs | 389 |
| 4 | irving | john | M | 0 | Presbyterian | Irish | Ontario | No Occupation Listed | 390 |
| 2 | irving | johnston | M | 28 | Presbyterian | Scottish | Ontario | Farmers, general and nfs | 390 |
| 6 | irving | jonathan | M | 15 | Other Brethren, n.e.c. | Irish | Ontario | Labourers nfs | 140 |
| 10 | irving | louisa | F | 28 | Presbyterian | English | Ontario | No Occupation Listed | 228 |
| 5 | irving | margaret | F | 19 | Other Brethren, n.e.c. | Irish | Ontario | Servants nfs | 140 |
| 3 | irving | melinda | F | 24 | Other Brethren, n.e.c. | Irish | Ontario | Servants nfs | 140 |
| 4 | irving | melissa | F | 24 | Other Brethren, n.e.c. | Irish | Ontario | Servants nfs | 140 |
| 13 | irving | percy | M | 5 | Presbyterian | Scottish | Ontario | No Occupation Listed | 228 |
| 24 | irving | piercie | M | 40 | Presbyterian | Scottish | Scotland | Farmers, general and nfs | 380 |
| 11 | irving | polly | F | 8 | Presbyterian | Scottish | Ontario | No Occupation Listed | 228 |
| 1 | irving | robert | M | 12 | Presbyterian | Scottish | Ontario | No Occupation Listed | 380 |
| 9 | irving | william | M | 33 | Presbyterian | Scottish | Ontario | Hotel Keepers and Managers | 228 |
| 12 | irving | william | M | 7 | Presbyterian | Scottish | Ontario | No Occupation Listed | 228 |