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Alma Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Alma Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Female
Head
Born: Finland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Alma |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Finland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | No |
| Industry | No |
| Class of Worker | No |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1887 |
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 Alma | Age | Birth yr |
|---|---|---|---|---|
| Mildred Johnson | Daughter | — | 18 | ~1922 |
| Alma Johnson | Head | — | 53 | ~1887 |
| Roy Johnson | Son | — | 19 | ~1921 |
| Harry Johnson | Son | — | 22 | ~1918 |
| Herbert Johnson | Son | — | 24 | ~1916 |
Census Appearances
1920
Mendocino, California
Spouse, age 34
Mendocino, California · implied b. ~1886 — 23 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1930
Cook, Illinois
Spouse, age 44
Cook, Illinois · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 26 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1940
Cook-County, Illinois
Head, age 53
Cook-County, Illinois · implied b. ~1887 — 5 household members
| Surname | Johnson |
| Given Name | Alma |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Finland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | No |
| Industry | No |
| Class of Worker | No |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Alma Johnson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Alma Johnson
Head · 1940 · age 53 · b. ~1887 · 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-t0627-00981-00298)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Anthony | 17 | Son | No | Illinois |
| 42 | Clayton Anthony | 16 | Son | No | Illinois |
| 43 | Collette Anthony | 12 | Daughter | No | Illinois |
| 44 | Richard Anthony | 11 | Son | No | Illinois |
| 45 | Mary Ann Anthony | 4 | Daughter | No | Illinois |
| 46 | Jean Anthony | 2 | Daughter | No | Illinois |
| 47 | Joan Anthony | 2 | Daughter | No | Illinois |
| 48 | John Morabito | 51 | Head | Shoe Repairer | Italy |
| 49 | Jennie Morabito | 48 | Wife | No | Italy |
| 50 | Grace Morabito | 21 | Daughter | Salesgirl | Illinois |
| 51 | Josephine Morabito | 15 | Daughter | No | Illinois |
| 52 | Morabito | 9 | Daughter | No | Illinois |
| 53 | Leo Madden | 40 | Head | Clerical Work | Louisiana |
| 54 | Mary Madden | 35 | Cousin | Stenographer | Illinois |
| 55 | — | None | Block | — | — |
| 56 | Martha Olsen | 67 | Head | Seamstress | Norway |
| 57 | Margaret Olsen | 57 | Sister | No | Norway |
| 58 | John Bishoff | 54 | Head | Truck Driver | Illinois |
| 59 | Anna Bishoff | 52 | Wife | No | Illinois |
| 60 | August Schultz | 56 | Head | Stationary Engineer | Germany |
| 61 | Clara Schultz | 51 | Wife | No | Illinois |
| 62 | Carl Schultz | 19 | Son | Stock Inspector | Illinois |
| 63 | John J. Walsh | 57 | Head | Dairy Engineer | Iowa |
| 64 | Katherine Walsh | 62 | Sister | Secretary | Iowa |
| 65 | William Sitzmacher | 56 | Head | Printer | Germany |
| 66 | Marie Sitzmacher | 56 | Wife | No | Switzerland |
| 67 | Oscar Lundgren | 32 | Head | Truck Driver | Illinois |
| 68 | May Lundgren | 33 | Wife | No | Illinois |
| 69 | Sophia Amundsen | 72 | Head | No | Denmark |
| 70 | Raymond Nolan | 35 | Son-in-law | Truck Driver | Illinois |
| 71 | Helen Nolan | 40 | Daughter | Telephone Oper. | Illinois |
| 72 | Alma Johnson THIS PERSON | 53 | Head | No | Finland |
| 73 | Herbert Johnson | 24 | Son | Chicken Raiser | Illinois |
| 74 | Harry Johnson | 22 | Son | No | Missouri |
| 75 | Roy Johnson | 19 | Son | Jr. Draftsman | Illinois |
| 76 | Mildred Johnson | 18 | Daughter | New Worker | Illinois |
| 77 | August Pusso | 40 | Head | Motorman | Illinois |
| 78 | Dorothy Pusso | 36 | Wife | No | Illinois |
| 79 | Martha Mccully | 59 | Mother | No | Iowa |
| 80 | Nick Dusekny | 62 | Head | Janitor | Poland |
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)