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John Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clark-County, Ohio
Our Model Tree links this John Swanson across the 1920, 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Emma — first a head (b.~1906), then head of a 5-person household.
Age 34
b. ~1906
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clark-County, Ohio |
| Surname | Swanson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Additional Details | |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 624 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Cook |
| Township / Ward | Springfield |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Ruth Swanson | Daughter | — | 3 | ~1937 |
| Ruth Swanson | Daughter | — | 19 | ~1921 |
| Marion Swanson | Daughter | — | 17 | ~1923 |
| John Swanson | Head | — | 34 | ~1906 |
| Maud Swanson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Clark, Ohio
Son, age 18
Clark, Ohio · implied b. ~1902 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | John A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Brass Foundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clark, Ohio
Head, age 27
Clark, Ohio · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 18 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clark-County, Ohio
Head, age 34
Clark-County, Ohio · implied b. ~1906 — 5 household members
| Surname | Swanson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Clark |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 624 |
| Highest Grade | No 5 |
| 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 Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Swanson (~0.92 confidence) and mother Emma Swanson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Swanson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Emma Swanson
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Swanson
Head · 1940 · age 34 · b. ~1906 · 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 — Clark-County, Ohio
Open full size
1940 US Federal Census — Clark-County, Ohio
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03040-00722)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sarah Daniel | 70 | Head | Maid | Arkansas |
| 42 | Thelma Daniel | 35 | Daughter | — | Ohio |
| 43 | Alma Daniel | 33 | Daughter | — | Ohio |
| 45 | Henry King | 46 | Head | Moulder | Tennessee |
| 46 | Beulah King | 45 | Wife | — | Tennessee |
| 47 | James Glenn | 18 | Grandson | Moulder | Ohio |
| 48 | Mary L. Glenn | 17 | Granddaughter | — | Ohio |
| 49 | Ben Upchurch | 50 | Head | Laborer | Georgia |
| 50 | Dollie Upchurch | 47 | Wife | — | Georgia |
| 51 | Benj. J. Upchurch | 11 | Son | — | Ohio |
| 52 | Mary Virginia Upchurch | 8 | Daughter | — | Ohio |
| 53 | Burnett Upchurch | 6 | Daughter | — | Ohio |
| 54 | Douglas Jackson | 49 | Head | Baker | Ohio |
| 55 | Susie Jackson | 38 | Wife | — | Alabama |
| 56 | Harry Jackson | 15 | Son | — | Ohio |
| 57 | John Swanson THIS PERSON | 34 | Head | Cook | Ohio |
| 58 | Maud Swanson | 37 | Wife | — | Georgia |
| 59 | Ruth Swanson | 19 | Daughter | — | Georgia |
| 60 | Marion Swanson | 17 | Daughter | — | Georgia |
| 61 | Ruth Swanson | 3 | Daughter | — | Ohio |
| 62 | A. F. Gentry | 48 | Head | Operator | Kentucky |
| 63 | Sarah Gentry | 50 | Wife | Housewife | Kentucky |
| 65 | Lola Nord | 57 | Head | — | Indiana |
| 66 | Martha L. Nord | 27 | Daughter | Secretary | Ohio |
| 67 | Harry J. Mauer | 57 | Head | Helper | Ohio |
| 68 | Margaret Mauer | 56 | Wife | — | Ohio |
| 69 | Robert Mauer | 27 | Son | Manager | Ohio |
| 70 | Gertrude Shannon | 35 | Daughter | — | Ohio |
| 71 | Thos. Shannon | 36 | Son-in-law | Dental Techin. | Ohio |
| 72 | Jos. Coughlin | 24 | Head | Machine Operator | Ohio |
| 73 | Marjorie Coughlin | 22 | Wife | — | Ohio |
| 74 | Ellen Coughlin | 1 | Daughter | — | Ohio |
| 75 | Charles H. Campbell | 53 | Head | Teacher | Ohio |
| 76 | Olive M. Campbell | 59 | Wife | — | Indiana |
| 77 | Jacob M. Baader | 54 | Head | Pattern Maker | Ohio |
| 78 | Marie Baader | 54 | Wife | — | Ohio |
| 79 | Mary M. Baader | 19 | Daughter | — | Ohio |
| 80 | Josephine Baader | 17 | Daughter | — | Ohio |
Pedigree Summary
John
Gen 1 · 2 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)