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John Mcdonough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Mcdonough across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 4-person household.
Age 58
b. ~1882
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Conductor |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2400 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Conductor |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1882 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen Mcdonough | Daughter | — | 19 | ~1921 |
| Mildred Mcdonough | Daughter | — | 23 | ~1917 |
| John Mcdonough | Head | — | 58 | ~1882 |
| Laura Mcdonough | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Hamilton, Ohio
Head, age 39
Hamilton, Ohio · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Conductor |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Head, age 48
Hamilton, Ohio · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 34 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Conductor |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Head, age 58
Hamilton-County, Ohio · implied b. ~1882 — 4 household members
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Conductor |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2400 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| 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 Mcdonough across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mcdonough
Head · 1940 · age 58 · b. ~1882 · Ohio
★ You are viewing this record
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-t0627-03202-00366)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marie Schwarble | 46 | Wife | — | Ohio |
| 42 | Dorothy G. Schwarble | 25 | Daughter | Clerical | Ohio |
| 43 | Mary H. Schwarble | 22 | Daughter | Clerk | Ohio |
| 44 | Raymond Schwarble | 12 | Son | — | Ohio |
| 45 | Ike Heltzer | 56 | Head | Assistant Manager | Russia |
| 46 | Martha Heltzer | 56 | Wife | — | Russia |
| 47 | John B. Squires | 30 | Head | Medical Doctor | Illinois |
| 48 | Celia E. Squires | 28 | Wife | — | Ohio |
| 49 | Kendall Squires | 1 | Son | — | Ohio |
| 50 | Thomas Kavanaugh | 54 | Head | Switchman | Ohio |
| 51 | Katheryn Kavanaugh | 51 | Wife | — | Ohio |
| 52 | Josephine Burke | 39 | Sister in law | Telephone Operator | Kentucky |
| 53 | Daniel J. Kelly | 50 | Head | Salesman | Ohio |
| 54 | Mary R. Kelly | 32 | Wife | — | Ohio |
| 55 | Peggy Ann Kelly | 10 | Daughter | — | Ohio |
| 56 | Edward F. Conners | 42 | Head | Oil Station Attendant | Ohio |
| 57 | Helen J. Conners | 42 | Wife | — | Ohio |
| 58 | Thomas G. Conners | 18 | Son | — | Ohio |
| 59 | Mary Rita Conners | 15 | Daughter | — | Ohio |
| 60 | Lena Steele | 44 | Head | Saleslady | Ohio |
| 61 | Albert J. Crone | 55 | Head | Commercial Attendant | Ohio |
| 62 | Mary D. Crone | 54 | Wife | — | Ohio |
| 63 | Robert F. Crone | 25 | Son | Salesman | Ohio |
| 64 | Joan H. Crone | 23 | Daughter | — | Ohio |
| 65 | Catherine Cronley | 82 | Head | — | Indiana |
| 66 | Theodore F. Knobber | 53 | Head | Owner | Kentucky |
| 67 | Rose S. Knobber | 53 | Wife | — | Ohio |
| 68 | Brady F. Black | 31 | Head | Copy Trader | Kentucky |
| 69 | Edna D. Black | 27 | Wife | — | Kentucky |
| 70 | Albert F. Thieman | 39 | Head | Department Mgr | Ohio |
| 71 | Celia B. Thieman | 34 | Wife | — | Ohio |
| 72 | Richard J. Thieman | 9 | Son | — | Ohio |
| 73 | Elizabeth Thieman | 8 | Daughter | — | Ohio |
| 74 | Susanna Thieman | 6 | Daughter | — | Ohio |
| 75 | John Mcdonough THIS PERSON | 58 | Head | Conductor | Ohio |
| 76 | Laura Mcdonough | 47 | Wife | — | Illinois |
| 77 | Mildred Mcdonough | 23 | Daughter | File Clerk | Ohio |
| 78 | Helen Mcdonough | 19 | Daughter | — | Ohio |
| 79 | Anna M. Jones | 36 | Head | Investigator | Ohio |
| 80 | Theodore C. Schraer | 37 | Head | Sales Manager | Ohio |
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)