JG
John Gardner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Brown-County, Ohio
Our Model Tree links this John Gardner across the 1920, 1930 and 1940 US Censuses in Brown-County, Ohio (XGBoost, ~Confirmed), with identified parents Carey & Clara — first a head (b.~1900), then head of a 7-person household.
Age 40
b. ~1900
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Brown-County, Ohio |
| Surname | Gardner |
| Given Name | John T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Union - East |
| 1935 Residence (County) | Brown |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Farmer |
| Township / Ward | Union East |
| Est. Birth Year | ~1900 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Gardner | Head | — | 40 | ~1900 |
| Ray Gardner | Other | — | 44 | ~1896 |
| Raymond Kussnecker | Other | — | 34 | ~1906 |
| Arthur Garrison | Other | — | 45 | ~1895 |
| Henry Newman | Other | — | 24 | ~1916 |
| Thomas Latton | Son | — | 6 | ~1934 |
| Alvira Gardner | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Brown, Ohio
Son, age 20
Brown, Ohio · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | John T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Brown, Ohio
Son, age 30
Brown, Ohio · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | John T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Brown-County, Ohio
Head, age 40
Brown-County, Ohio · implied b. ~1900 — 7 household members
| Surname | Gardner |
| Given Name | John T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Union - East |
| 1935 Residence (County) | Brown |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | 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 Gardner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carey Gardner (~0.92 confidence) and mother Clara Gardner (~0.92 confidence) and father Carey Gardner (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carey Gardner
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Clara Gardner
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Carey Gardner
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Gardner
Head · 1940 · age 40 · b. ~1900 · 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 — Brown-County, Ohio
Open full size
1940 US Federal Census — Brown-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03031-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Edith Frost | 21 | Daughter-in-law | — | Ohio |
| 2 | John T. Gardner THIS PERSON | 40 | Head | Farmer | Ohio |
| 3 | Alvira Gardner | 36 | Wife | — | Kentucky |
| 4 | Thomas Latton | 6 | Son | — | Kentucky |
| 5 | Ray Gardner | 44 | Brother | — | Ohio |
| 6 | Arthur Garrison | 45 | Hired Hand | Laborer | Kentucky |
| 7 | Henry Newman | 24 | Lodger | Salesman | Ohio |
| 8 | Raymond Kussnecker | 34 | Hired Hand | Laborer | Ohio |
| 9 | James H. Gilliland | 76 | Head | Farmer | Ohio |
| 10 | Lilly D. Gilliland | 62 | Wife | — | Ohio |
| 11 | Betty Stratton | 21 | Daughter | — | Ohio |
| 12 | Fred D. Adams | 32 | Head | Farmer | Kentucky |
| 13 | Clotina Adams | 29 | Wife | — | Kentucky |
| 14 | Burnis Adams | 5 | Daughter | — | Ohio |
| 15 | Shirley Adams | 2 | Daughter | — | Ohio |
| 16 | Homer D. Mcdaniel | 60 | Head | Farmer | Ohio |
| 17 | Georgia Mcdaniel | 52 | Wife | — | W. Va. |
| 18 | Leory Mcdaniel | 31 | Son | Truck Driver | Ohio |
| 19 | Eugene Mcdaniel | 20 | Son | Truck Driver | California |
| 20 | Irinie Mcdaniel | 14 | Daughter | — | California |
| 21 | Lon Fowler | 55 | Son-in-law | Farmer | W. Va. |
| 22 | August P. Klump | 49 | Head | Farmer | Ohio |
| 23 | Anna Klump | 46 | Wife | — | Ohio |
| 24 | Marie Klump | 18 | Daughter | — | Ohio |
| 25 | Robert Klump | 17 | Son | Farmer | Ohio |
| 26 | Dan Klump | 11 | Son | — | Ohio |
| 27 | Earl R. Wilson | 45 | Head | Farmer | Ohio |
| 28 | Mabel Wilson | 48 | Wife | — | Ohio |
| 29 | Russell E. Wilson | 21 | Son | Salesman | Ohio |
| 30 | James H. Wilson | 19 | Son | Farmer | Ohio |
| 31 | Dale G. Wilson | 17 | Son | — | Ohio |
| 32 | Caryl Wilson | 12 | Daughter | — | Ohio |
| 33 | Rella Howland | 86 | Mother-in-law | — | Ohio |
| 34 | C. H. Christman | 53 | Hired Hand | Laborer | Ohio |
| 35 | Sam D. Bradford | 50 | Head | Farmer | Ohio |
| 36 | Icy Bradford | 41 | Wife | — | Ohio |
| 37 | Junior Bradford | 18 | Son | — | Ohio |
| 38 | Virginia Bradford | 13 | Daughter | — | Ohio |
| 39 | Betty Jean Bradford | 9 | Daughter | — | Ohio |
| 40 | Alva W. Purdin | 71 | Head | Farmer | Ohio |
Pedigree Summary
John
Gen 1 · 3 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)