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John Erickson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Erickson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 4-person household.
Age 68
b. ~1872
Male
Head
Born: Finland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Erickson |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Finland |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 650 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Occupation | Carpenter |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1872 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Erickson | Daughter | — | 25 | ~1915 |
| Alice Erickson | Daughter | — | 22 | ~1918 |
| Margaret Erickson | Daughter | — | 32 | ~1908 |
| John Erickson | Head | — | 68 | ~1872 |
Census Appearances
1920
Cook, Illinois
Other, age 50
Cook, Illinois · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | John |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Finland |
| Year of Immigration | 1896 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Laborer |
| Industry | Retail Furniture |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Year of Naturalization | 1901 |
| Birthplace (normalized) | finland |
1930
Cook, Illinois
Head, age 58
Cook, Illinois · implied b. ~1872 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1891 |
| Age at First Marriage | 21 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Carpenter |
| Industry | Building Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Veteran | No |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Cook-County, Illinois
Head, age 68
Cook-County, Illinois · implied b. ~1872 — 4 household members
| Surname | Erickson |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Finland |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 650 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
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 Erickson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Erickson
Head · 1940 · age 68 · b. ~1872 · Illinois
★ 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01023-00928)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marian Gaerne | 16 | Daughter | 0 | Minnesota |
| 2 | Robert Gaerne | 14 | Son | 0 | Minnesota |
| 3 | John A. Erickson THIS PERSON | 68 | Head | Carpenter | Finland |
| 4 | Margaret E. Erickson | 32 | Daughter | Secretary | Illinois |
| 5 | Catherine R. Erickson | 25 | Daughter | 0 | Illinois |
| 6 | Alice Erickson | 22 | Daughter | Comptometer Operator | Illinois |
| 7 | Clarence G. Erickson | 39 | Head | Inspector | Michigan |
| 8 | Lloyd Erickson | 35 | Brother | Setter | Michigan |
| 9 | Elwood Erickson | 30 | Brother | Bricklayer | Michigan |
| 10 | Elmer M. Giner | 52 | Head | Salesman | Florida |
| 11 | Ulricka Giner | 52 | Wife | 0 | Indiana |
| 12 | John F. Giner | 19 | Son | Helper | Illinois |
| 13 | Elmer M. Jr. Giner | 11 | Son | 0 | Illinois |
| 14 | Cataldo Scarnizzi | 56 | Head | Janitor | Italy |
| 15 | Marie Scarnizzi | 49 | Wife | Seamstress | Italy |
| 16 | Santo Scarnizzi | 20 | Son | 0 | Illinois |
| 17 | Irving Wollin | 38 | Head | Dentist | Illinois |
| 18 | Sally Wollin | 35 | Wife | 0 | Wisconsin |
| 19 | Robert S. Wollin | 9 | Son | 0 | Illinois |
| 20 | August W. Ullrich | 41 | Head | Salesman | Illinois |
| 21 | Jean M. Ullrich | 41 | Wife | 0 | Illinois |
| 22 | Cheryl Ullrich | 8 | Daughter | 0 | Illinois |
| 23 | Arlene Ullrich | 3 | Daughter | 0 | Illinois |
| 24 | Frank J. Holz | 49 | Head | Internal Revenue Agent | Illinois |
| 25 | Myrtle E. Holz | 48 | Wife | 0 | Illinois |
| 26 | Robert F. Holz | 19 | Son | 0 | Illinois |
| 27 | William H. Mcdonald | 54 | Head | Manager | Minnesota |
| 28 | Eunice H. Mcdonald | 55 | Wife | 0 | Minnesota |
| 29 | Joseph W. Flanagan | 37 | Head | Postman | Illinois |
| 30 | Alice Flanagan | 33 | Wife | 0 | Illinois |
| 31 | John A. Flanagan | 36 | Brother | Manager | Illinois |
| 32 | Peter J. Hughes | 68 | Father-in-law | 0 | Maryland |
| 33 | Paul B. Donnelly | 42 | Head | Broker | Missouri |
| 34 | Imelda Donnelly | 40 | Wife | 0 | Missouri |
| 35 | Paul W. Jackson | 36 | Head | Salesman | Missouri |
| 36 | Pauline Jackson | 31 | Wife | 0 | Illinois |
| 37 | Paula L. Jackson | 0 | Daughter | 0 | Illinois |
| 38 | Victor M. Gilgis | 30 | Head | Salesman | Illinois |
| 39 | Ruth C. Gilgis | 24 | Wife | 0 | Illinois |
| 40 | William O. Albrecht | 39 | Head | Salesman | Illinois |
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)