DJ
David Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this David Johnson across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Rocky River City |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Carpenter |
| Industry | House Construction |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 308 |
| Highest Grade | Hs 4 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Carpenter |
| Township / Ward | Rocky River City |
| Est. Birth Year | ~1898 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Helen Johnson | Daughter | — | 17 | ~1923 |
| David Johnson | Head | — | 42 | ~1898 |
| Harry Johnson | Son | — | 19 | ~1921 |
| Sigrid Johnson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Cuyahoga, Ohio
Head, age 22
Cuyahoga, Ohio · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1913 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Carpenter |
| Industry | Construction |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Cuyahoga, Ohio
Head, age 32
Cuyahoga, Ohio · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1915 |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Contractor |
| Industry | Bldg. |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Value / Rent | 12000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Cuyahoga-County, Ohio
Head, age 42
Cuyahoga-County, Ohio · implied b. ~1898 — 4 household members
| Surname | Johnson |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Rocky River City |
| Naturalization Status | Naturalized |
| Occupation | Carpenter |
| Industry | House Construction |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 308 |
| Highest Grade | Hs 4 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 David Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
David Johnson
Head · 1940 · age 42 · b. ~1898 · 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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03058-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Westerfield | 24 | Head | Odd Jobs | Ohio |
| 2 | Betty Westerfield | 25 | Wife | Marker | Ohio |
| 3 | Alfreda Bothmfer | Bothmifer | 20 | Cousin | Housework | Ohio |
| 4 | Alvin Abbott | 41 | Head | Proprietor | Iowa |
| 5 | Edith Patterson | 40 | Sister-in-law | Phone Woman | Ohio |
| 6 | Linnie | Linnie M Patterson | 18 | Nephew | Window Washer | Ohio |
| 7 | Mary Patterson | 9 | Niece | — | Virginia |
| 8 | Catherine Dixon | 38 | Housekeeper | Housework | Ohio |
| 9 | Paul E Johnson | 42 | Head | Printer | Ohio |
| 10 | Catherine Johnson | 32 | Wife | Order Clerk | Iowa |
| 11 | Alfred Andersen | 31 | Head | Proprietor | Ohio |
| 12 | Jennie Andersen | 30 | Wife | — | Ohio |
| 13 | Richard Andersen | 1 | Son | — | Ohio |
| 14 | Frances Ritchie | 38 | Wife | — | England |
| 15 | Alexander Ritchie | 38 | Head | Sub Station Operator | Scotland |
| 16 | Alexander Jr Ritchie | 14 | Son | — | Ohio |
| 17 | Margery Ritchie | 9 | Daughter | — | Ohio |
| 18 | Josephine Fenney | 78 | Head | — | New York |
| 19 | Jean Stewart | 34 | Daughter | Cashier | Ohio |
| 20 | Jr Frank Stephens | 58 | Boarder | Motorman | Ohio |
| 21 | David Johnson THIS PERSON | 42 | Head | Carpenter | Sweden |
| 22 | Sigrid D Johnson | 44 | Wife | — | Sweden |
| 23 | Harry D Johnson | 19 | Son | — | Ohio |
| 24 | Helen D Johnson | 17 | Daughter | — | Ohio |
| 25 | Caryle M Herron | 46 | Head | Salesman | Ohio |
| 26 | Florence Herron | 42 | Wife | — | Ohio |
| 27 | William Herron | 18 | Son | — | Ohio |
| 28 | Robert L Herron | 16 | Son | — | Ohio |
| 29 | Ralph Hinckley | 64 | Head | Landscape Gardener | Michigan |
| 30 | Olga R Hinckley | 52 | Wife | — | New York |
| 31 | Ralph Jr Hinckley | 26 | Son | Commercial Artist | Ohio |
| 32 | Donald M Hinckley | 23 | Son | Commercial Artist | Ohio |
| 33 | — | None | — | — | — |
| 34 | James Wilson | 52 | Head | Salesman | Ohio |
| 35 | Caroline Wilson | 56 | Wife | — | Ohio |
| 36 | James Jr Wilson | 21 | Son | — | Ohio |
| 37 | Christian Christensen | 42 | Head | Plastic Technician | Norway |
| 38 | Lillian Christensen | 42 | Wife | — | Ohio |
| 39 | Jean A Christensen | 19 | Daughter | Saleswoman | Ohio |
| 40 | Robert J Christensen | 17 | Son | — | Ohio |
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)