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John Ballard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wood-County, Ohio
Our Model Tree links this John Ballard across the 1930 and 1940 US Censuses in Wood-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wood-County, Ohio |
| Surname | Ballard |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Washington Twp. |
| 1935 Residence (County) | Wood |
| Additional Details | |
| Occupation | laborer |
| Industry | elevator |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 185 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Washington Twp |
| Est. Birth Year | ~1892 |
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 Ballard | Head | — | 48 | ~1892 |
| John Ballard | Son | — | 15 | ~1925 |
| Edith Ballard | Spouse | — | 45 | ~1895 |
| Irene Ballard | Daughter | — | 4 | ~1936 |
| Deloris Ballard | Daughter | — | 8 | ~1932 |
| Agnes Ballard | Daughter | — | 18 | ~1922 |
| Billy Ballard | Son | — | 11 | ~1929 |
Census Appearances
1930
Wood, Ohio
Head, age 38
Wood, Ohio · implied b. ~1892
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Ballard |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Wood-County, Ohio
Head, age 48
Wood-County, Ohio · implied b. ~1892 — 7 household members
| Surname | Ballard |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Washington Twp. |
| 1935 Residence (County) | Wood |
| Occupation | laborer |
| Industry | elevator |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 185 |
| 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 Ballard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Ballard
Head · 1940 · age 48 · b. ~1892 · 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 — Wood-County, Ohio
Open full size
1940 US Federal Census — Wood-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03171-00727)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John F. Scherer | 67 | Head | — | Ohio |
| 2 | Otis Dewitt | 62 | Head | — | Ohio |
| 3 | Jane Dewitt | 62 | Wife | — | Ohio |
| 4 | David J. Vollmar | 37 | Head | Farmer | Ohio |
| 5 | Carrie U. Vollmar | 29 | Wife | — | Ohio |
| 6 | Wayne D. Vollmar | 14 | Son | — | Ohio |
| 7 | Ilene J. Vollmar | 12 | Daughter | — | Ohio |
| 8 | Paul A. Vollmar | 10 | Son | — | Ohio |
| 9 | Richard D. Vollmar | 8 | Son | — | Ohio |
| 10 | Betty Jane Vollmar | 7 | Daughter | — | Ohio |
| 11 | Francis Ann Vollmar | 5 | Daughter | — | Ohio |
| 12 | Laurence E. Vollmar | 3 | Son | — | Ohio |
| 13 | Shirley U. Vollmar | 2 | Daughter | — | Ohio |
| 14 | Ruby Mae Vollmar | 1 | Daughter | — | Ohio |
| 15 | Henry Shaffer | 21 | Lodger | Laborer | Ohio |
| 16 | Delton W. Aemus | 23 | Head | Farming | Ohio |
| 17 | Dorothy E. Aemus | 23 | Wife | — | Ohio |
| 18 | Delton W. Aemus | 1 | Son | — | Ohio |
| 19 | Milton Q. Spathelf | 59 | Head | Farming | Ohio |
| 20 | Cora Mae Spathelf | 53 | Wife | — | Ohio |
| 21 | Clayton J. Vollmar | 43 | Head | Janitor | Ohio |
| 22 | Pearl Vollmar | 43 | Wife | — | Ohio |
| 23 | Aurela Vollmar | 14 | Daughter | — | Ohio |
| 24 | Vernon Vollmar | 12 | Son | — | Ohio |
| 25 | Rosina Williams | 56 | Head | — | Ohio |
| 26 | Clarence A. Williams | 32 | Son | Farmer | Ohio |
| 27 | Elsie E. Williams | 20 | Daughter | Clerk | Ohio |
| 28 | John H. Ballard THIS PERSON | 48 | Head | Laborer | Ohio |
| 29 | Edith S. Ballard | 45 | Wife | — | Ohio |
| 30 | Agnes Ballard | 18 | Daughter | — | Ohio |
| 31 | John J. Ballard | 15 | Son | — | Ohio |
| 32 | Billy E. Ballard | 11 | Son | — | Ohio |
| 33 | Deloris E. Ballard | 8 | Daughter | — | Ohio |
| 34 | Irene H. Ballard | 4 | Daughter | — | Ohio |
| 35 | Henry M. Hardy | 48 | Head | Farmer | Kentucky |
| 36 | Ola D. Hardy | 43 | Wife | — | Illinois |
| 37 | Barbara J. Hardy | 18 | Daughter | Maid | Ohio |
| 38 | Walter C. Hardy | 11 | Son | — | Ohio |
| 39 | Lewis E. Williams | 65 | Head | Foreman | Ohio |
| 40 | Williams | None | Wife | — | — |
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)