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John Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this John Adams across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Adams |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Bridge Tender |
| Industry | Terminal Railroad Co |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Bridge Tender |
| Township / Ward | Toledo |
| Est. Birth Year | ~1903 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Adams | Daughter | — | 3 | ~1937 |
| Gail Adams | Daughter | — | 2 | ~1938 |
| John Adams | Head | — | 37 | ~1903 |
| John Adams | Son | — | 13 | ~1927 |
| Thelma Adams | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Lucas, Ohio
Son, age 17
Lucas, Ohio · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lucas, Ohio
Head, age 27
Lucas, Ohio · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Occupation | Fireman |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Head, age 37
Lucas-County, Ohio · implied b. ~1903 — 5 household members
| Surname | Adams |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Occupation | Bridge Tender |
| Industry | Terminal Railroad Co |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1000 |
| 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 Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Adams (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Adams
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Adams
Head · 1940 · age 37 · b. ~1903 · 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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03257-00578)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dixie L. Blaugh | 2 | Daughter | — | Ohio |
| 42 | William S. Dongan | 54 | Father-in-law | — | Indiana |
| 43 | John Adams THIS PERSON | 37 | Head | Bridge Tender | Ohio |
| 44 | Thelma Adams | 36 | Wife | — | Ohio |
| 45 | John Jr. Adams | 13 | Son | — | Ohio |
| 46 | Mary Adams | 3 | Daughter | — | Ohio |
| 47 | Gail Adams | 2 | Daughter | — | Ohio |
| 48 | Martha A. Smith | 79 | Head | — | Michigan |
| 49 | Gertrude Stringham | 63 | Daughter | Seamstress | Michigan |
| 50 | Abe Moore | 54 | Lodger | Peddler | Russia |
| 51 | Marie M. Simon | 39 | Lodger | Filing Clerk | Illinois |
| 52 | Claude H. Craven | 37 | Lodger | Automobile Mechanic | Michigan |
| 53 | Anna Case | 60 | Lodger | Apt. House Keeper | Michigan |
| 54 | Samuel F. Record | 72 | Head | — | New York |
| 55 | Julia Record | 63 | Wife | — | Indiana |
| 56 | Thad E. Park | 72 | Head | — | Ohio |
| 57 | Louise Park | 75 | Wife | — | Ohio |
| 58 | Albert A. Park | 54 | Son | Night Watchman | Ohio |
| 59 | Rozetta Hite | 63 | Head | Seamstress | Kansas |
| 60 | Edwin Hite | 33 | Head | Cloth-Maker | Ohio |
| 61 | Grace Hite | 28 | Wife | — | Ohio |
| 62 | Colleen Hite | 9 | Daughter | — | Ohio |
| 63 | Gerald Hite | 0 | Son | — | Ohio |
| 64 | Anna Williams | 66 | Head | — | Ohio |
| 65 | Herbert C. Crone | 48 | Head | Driver-Salesman | Ohio |
| 66 | Naomi R. Crone | 40 | Wife | — | Illinois |
| 67 | Darwin R. Bright | 46 | Head | Interior Decorator | Indiana |
| 68 | Edith Bright | 40 | Wife | Waitress | Indiana |
| 69 | Paul M. Bright | 21 | Son | — | Indiana |
| 70 | Ned Miller | 67 | Head | — | Montana |
| 71 | Florence Miller | 39 | Wife | — | Ohio |
| 72 | Louis L. Zientara | 40 | Head | Policeman | Ohio |
| 73 | Augusta Christ | 68 | Head | — | New York |
| 74 | Lewis Elias | 24 | Head | Grinder | New York |
| 75 | Viola Elias | 24 | Wife | — | Indiana |
| 76 | Harry Byers | 38 | Head | Automobile Mechanic | Russia |
| 77 | Julia Byers | 34 | Wife | — | Ohio |
| 78 | David Byers | 2 | Son | — | Ohio |
| 79 | Arthur Weber | 25 | Head | Truck Driver | Ohio |
| 80 | Pearl Weber | 30 | Wife | — | Tennessee |
Pedigree Summary
John
Gen 1 · 1 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)