| Monroe County 1880 Census Tyrone |
| Surname | Given Name | Age | Relationship | Birthplace | Occupation | |
| MC GRATH | Jerry | 49 | Self | Ireland | Hucster | |
| MC GRATH | Mary | 34 | Wife | Ireland | Keeping House | |
| MC GRATH | John | 10 | Son | Iowa | Attending School | |
| MC GRATH | Bridget | 8 | Daughter | Iowa | Attending School | |
| MC GRATH | Jerry | 3 | Son | Iowa | None | |
| MC GRATH | James | 1 | Son | Iowa | None | |
| SCHELL | Peter | 45 | Other | Sweden | Domestic Shoring | |
| WINSLOW | William | 34 | Self | New York | R.R. Station Agt. | |
| WINSLOW | Sarah A. | 29 | Wife | Iowa | Keeping House | |
| WINSLOW | Egbert | 7 | Son | Iowa | At Home | |
| WINSLOW | George | 5 | Son | Iowa | At Home | |
| WINSLOW | William | 3 | Son | Iowa | None | |
| TRELLY | Edward | 67 | Self | Ireland | Retired Farmer | |
| TRELLY | Suzan | 66 | Wife | Ireland | Keeping House | |
| MAHONEY | Patrick | 30 | Self | Ireland | Works on Railroad | |
| MAHONEY | Ellen | 33 | Wife | Ireland | Keeping House | |
| MAHONEY | Ellen | 5 | Daughter | Iowa | At Home | |
| MAHONEY | William | 2 | Son | Iowa | At Home | |
| MC DONIEL | John | 22 | Other | Iowa | Hooppoli-Shaver | |
| LAMAR | James | 21 | Self | Iowa | Works on Railroad | |
| LAMAR | Martha | 20 | Wife | Iowa | Keeping House | |
| LAMAR | James | 6 months | Son | Iowa | None | |
| CAVENAUGH | James | 66 | Self | Ireland | Retired Farmer | |
| CAVENAUGH | Mary | 67 | Wife | Ireland | Retail Liquor | |
| MULHALL | Margaret | 12 | Niece | Iowa | Attending School | |
| GRADY | Martin | 60 | Self | Ireland | Retail Liquor | |
| GRADY | Fanny | 58 | Wife | Ireland | Keeping House | |
| GRADY | Fanny | 18 | Daughter | Illinois | At Home | |
| GRADY | Delia | 13 | Daughter | Illinois | At Home | |
| O'RIELLY | James | 62 | Self | Ireland | Works on Railroad | |
| O'RIELLY | Elizabeth | 67 | Wife | Ireland | Keeping Hotel | |
| O'RIELLY | Jane A. | 26 | Daughter | New York | Waiter in Hotel | |
| O'RIELLY | Armeda E. | 18 | Daughter | Iowa | None | |
| O'RIELLY | Elizabeth | 16 | Daughter | Iowa | Attending School | |
| O'NEAL | John | 26 | Other | Ireland | Works on Railroad | |
| O'CONNOR | Michael | 22 | Other | New York | Brakeman on R.R. | |
| NORTON | John | 27 | Other | Ohio | R.R. Section Boss | |
| LANNAN | John | 21 | Other | Ohio | Works on Railroad | |
| WILLIAM | Brennan | 19 | Other | Iowa | Works on Railroad |