JF
John Finn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Finn across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 9-person household.
Age 64
b. ~1876
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Finn |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Broker |
| Industry | Distilling Co. |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 5000 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Broker |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1876 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Finn | Son | — | 19 | ~1921 |
| Maybelle Finn | Spouse | — | 54 | ~1886 |
| Howard Finn | Son | — | 17 | ~1923 |
| Marcella Finn | Daughter | — | 26 | ~1914 |
| Margaret Finn | Daughter | — | 21 | ~1919 |
| Martha Finn | Daughter | — | 24 | ~1916 |
| Thomas Finn | Son | — | 11 | ~1929 |
| John Finn | Head | — | 64 | ~1876 |
| Mary Finn | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Hamilton, Ohio
Head, age 54
Hamilton, Ohio · implied b. ~1876 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Finn |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Realtor |
| Industry | Real Estate |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Head, age 64
Hamilton-County, Ohio · implied b. ~1876 — 9 household members
| Surname | Finn |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Broker |
| Industry | Distilling Co. |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 5000 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Finn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Finn
Head · 1940 · age 64 · b. ~1876 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03189-00303)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Skirvin | 22 | Maid | Maid | Ohio |
| 42 | Alice B. Pollock | 74 | Wife | — | Texas |
| 43 | Joseph R. Pollock | 47 | Son | — | Kentucky |
| 44 | Marie Zohrlaut | 36 | Housemaid | Maid | Indiana |
| 45 | Martha Hashamp | 54 | Cook | Cook | Indiana |
| 46 | William F. Wiley | 39 | Head | Solicitor | Ohio |
| 47 | Florence Wiley | 32 | Wife | — | Ohio |
| 48 | Alfrie Nelson | 53 | Maid | Maid | Kentucky |
| 49 | John H. Finn THIS PERSON | 64 | Head | Broker | Ohio |
| 50 | Maybelle Finn | 54 | Wife | — | Ohio |
| 51 | Marcella Finn | 26 | Daughter | — | Ohio |
| 52 | Martha Finn | 24 | Daughter | — | Ohio |
| 53 | Margaret Finn | 21 | Daughter | — | Ohio |
| 54 | William F. Finn | 19 | Son | — | Ohio |
| 55 | Howard L. Finn | 17 | Son | — | Ohio |
| 56 | Mary Louise Finn | 13 | Daughter | — | Ohio |
| 57 | Thomas Finn | 11 | Son | — | Ohio |
| 58 | Frank F. Dinsmore | 70 | Head | Attorney | Ohio |
| 59 | Mary C. Dinsmore | 66 | Wife | — | Ohio |
| 60 | Joseph C. Dinsmore | 41 | Son | Attorney | Ohio |
| 61 | Margaret Loder | 64 | Maid | Maid | Ohio |
| 62 | Harlow Gibson | 42 | Head | Salesman | Ohio |
| 63 | Anne B. Gibson | 36 | Wife | — | Ohio |
| 64 | Mark G. Gibson | 15 | Son | — | Ohio |
| 65 | Stuart F. Gibson | 14 | Son | — | Ohio |
| 66 | Anne Gibson | 11 | Daughter | — | Ohio |
| 67 | Herbert C. Gibson | 7 | Son | — | Ohio |
| 68 | Lennie Bennett | 27 | Maid | Maid | Alabama |
| 69 | Thos. M. Geoghegan | 56 | Head | General Agent | Ohio |
| 70 | Mary Ann Geoghegan | 26 | Daughter | — | Ohio |
| 71 | Jane Ann Geoghegan | 23 | Daughter | — | Ohio |
| 72 | Thomas M. Geoghegan | 21 | Son | — | Ohio |
| 73 | Estelle Geoghegan | 18 | Daughter | — | Ohio |
| 74 | William A. Geoghegan | 15 | Son | — | Ohio |
| 75 | Margaret Mary Geoghegan | 12 | Daughter | — | Ohio |
| 76 | Elsie Kyle | 44 | Maid | Maid | Kentucky |
| 77 | Cecil H. Gamble | 55 | Head | Executive | Ohio |
| 78 | Louise G. Gamble | 55 | Wife | — | Ohio |
| 79 | David G. Gamble | 24 | Son | — | Ohio |
| 80 | Edwin C. Gamble | 22 | Son | — | Ohio |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)