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John Brady — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this John Brady across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents George & John — first a head (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Brady |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Cab driver |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 936 |
| Highest Grade | No 8 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Cab Driver |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Brady | Head | — | 24 | ~1916 |
| Edwin Brady | Son | — | 1 | ~1939 |
| Vivian Brady | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Hamilton, Ohio
Son, age 5
Hamilton, Ohio · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brady |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 15
Hamilton, Ohio · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brady |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Head, age 24
Hamilton-County, Ohio · implied b. ~1916 — 3 household members
| Surname | Brady |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Occupation | Cab driver |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 936 |
| Highest Grade | No 8 8 |
| 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 Brady across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Brady (~0.92 confidence) and father John Brady (~0.92 confidence) and mother Gertrude Brady (~0.92 confidence) and mother Helen Brady (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Brady
b. ~1890
Source father
● Household
· direct · ~0.92
Father
John Brady
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Gertrude Brady
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Helen Brady
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Brady
Head · 1940 · age 24 · b. ~1916 · 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-t0627-03188-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William D Truesdell | 56 | Head | Machine Hand | Kentucky |
| 2 | Edna Truesdell | 45 | Wife | — | Ohio |
| 3 | William M Truesdell | 22 | Son | Finisher | Ohio |
| 4 | Theodore Truesdell | 18 | Son | — | Kentucky |
| 5 | Jacqueline Truesdell | 14 | Daughter | — | Ohio |
| 6 | John Brady THIS PERSON | 24 | Head | Cab Driver | Ohio |
| 7 | Vivian Brady | 20 | Wife | — | Ohio |
| 8 | Edwin Brady | 1 | Son | — | Ohio |
| 9 | John A Marchinot | 63 | Head | — | Ohio |
| 10 | Margaret M Marchinot | 44 | Wife | — | Ohio |
| 11 | Richard L Marchinot | 22 | Son | Clerk | Ohio |
| 12 | Louis H Kessling | 65 | Head | Salesman | Ohio |
| 13 | Anna M Kessling | 63 | Wife | — | Ohio |
| 14 | Joseph B Kessling | 23 | Son | Truck Driver | Ohio |
| 15 | Julia Moore | 35 | Daughter | Bookkeeper | Ohio |
| 16 | Louise Kemper | 67 | Lodger | — | Ohio |
| 17 | George W Fox | 72 | Head | — | Ohio |
| 18 | Mary E Fox | 74 | Wife | — | Tennessee |
| 19 | Margaret Ann Fox | 15 | Granddaughter | — | Kentucky |
| 20 | Joseph Schroeder | 48 | Head | Mechanic | Ohio |
| 21 | Betty Schroeder | 17 | Daughter | Floor Worker | Ohio |
| 22 | Jimmy Schroeder | 12 | Son | — | Ohio |
| 23 | Edward Krumm | 69 | Head | Worker | Ohio |
| 24 | Roy Purcell | 47 | Head | Mgr Local | Indiana |
| 25 | Margaret Purcell | 37 | Wife | Saleslady | Kentucky |
| 26 | Marjorie Purcell | 18 | Daughter | Receptionist | Indiana |
| 27 | Helen Purcell | 17 | Daughter | — | Indiana |
| 28 | Nannie Gommel | 65 | Mother-in-law | — | Kentucky |
| 29 | Conrad Jones | 45 | Head | Genl. Helper | Kentucky |
| 30 | Clara Jones | 42 | Wife | Saleslady | Kentucky |
| 31 | Lawrence Karpe | 30 | Head | Paint Mixer | Ohio |
| 32 | Rose Karpe | 23 | Wife | — | Indiana |
| 33 | Gayle Karpe | 4 | Daughter | — | Ohio |
| 34 | Richard Karpe | 3 | Son | — | Ohio |
| 35 | Paul Wilson | 55 | Head | Night Janitor | Ohio |
| 36 | Edna Wilson | 32 | Wife | — | Ohio |
| 37 | Jean Wilson | 4 | Daughter | — | Ohio |
| 38 | Norman Ligom | 33 | Head | Draftsman | Indiana |
| 39 | Annette Ligom | 27 | Wife | — | Ohio |
| 40 | Lawrence Wilson | 65 | Father | — | Ohio |
Pedigree Summary
John
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)