AJ
Agnes Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Agnes Johnson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Otto & Alfhild — first a daughter (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Agnes |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Evanston City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | stenographer |
| Industry | department store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2366 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Evanston City |
| Est. Birth Year | ~1912 |
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 Agnes | Age | Birth yr |
|---|---|---|---|---|
| Ethel Johnson | Daughter | — | 32 | ~1908 |
| Agnes Johnson | Daughter | — | 28 | ~1912 |
| Otto Johnson | Head | — | 67 | ~1873 |
| Harold Johnson | Son | — | 24 | ~1916 |
| Emma Johnson | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Cook, Illinois
Daughter, age 9
Cook, Illinois · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 19
Cook, Illinois · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Stenographer |
| Industry | Laundry Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 28
Cook-County, Illinois · implied b. ~1912 — 5 household members
| Surname | Johnson |
| Given Name | Agnes |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Evanston City |
| 1935 Residence (County) | Cook |
| Occupation | stenographer |
| Industry | department store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2366 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Agnes Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otto Johnson (~0.92 confidence) and mother Alfhild Johnson (~0.92 confidence) and mother Alhild Johnson (~0.92 confidence) and mother Emma Johnson (~0.92 confidence) and father Axel Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otto Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Alfhild Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Alhild Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Emma Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Axel Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
This person
Anchor record
Agnes Johnson
Daughter · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Ethel Johnson
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Johnson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00779-00867)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Welvery | 41 | daughter | — | Illinois |
| 2 | Robert S. Welvery | 5 | son | — | Illinois |
| 3 | Herman J. Spencer | 40 | head | Superintendent | Illinois |
| 4 | Hattie Spencer | 72 | mother | — | Germany |
| 5 | Leonard Oreselle | 17 | nephew | — | Illinois |
| 6 | Emanuel Schellenger | 50 | head | Salesman | Argentina |
| 7 | Evangeline Schellenger | 39 | wife | — | Illinois |
| 8 | Lorraine Schellenger | 17 | daughter | — | Illinois |
| 9 | Donald Mitchell | 33 | head | Assistant Treasurer | Illinois |
| 10 | Marion Mitchell | 29 | wife | — | Wisconsin |
| 11 | Nicholas Cavagnaro | 48 | head | Type Setter | Illinois |
| 12 | Lillian Cavagnaro | 45 | wife | — | Illinois |
| 13 | Charles Cavagnaro | 21 | son | — | Illinois |
| 14 | Raymond Cavagnaro | 20 | son | Bookkeeper | Illinois |
| 15 | Albert M. Kinkaid | 38 | head | General Manager | South Dakota |
| 16 | Olga M. Kinkaid | 31 | wife | — | Ohio |
| 17 | James F. Kinkaid | 1 | son | — | Illinois |
| 18 | Otto V. Johnson | 67 | head | Salesman | Sweden |
| 19 | Emma Johnson | 59 | wife | — | Sweden |
| 20 | Ethel Johnson | 32 | daughter | Stenographer | Illinois |
| 21 | Agnes Johnson THIS PERSON | 28 | daughter | Stenographer | Illinois |
| 22 | Harold Johnson | 24 | son | Salesman | Illinois |
| 23 | Palmer Anderson | 35 | head | Collector | Illinois |
| 24 | Viola Anderson | 31 | wife | — | Colorado |
| 25 | Janet Anderson | 4 | daughter | — | Illinois |
| 26 | Winnie Anderson | 64 | mother | — | Illinois |
| 27 | Darlene Anderson | 28 | sister | Sales Woman | Illinois |
| 28 | Tony Ferrone | 60 | head | News Vender | Italy |
| 29 | Josie Ferrone | 49 | wife | — | Italy |
| 30 | John Ferrone | 25 | son | New Worker | Illinois |
| 31 | Minnie Ferrone | 24 | daughter | Stenographer | Illinois |
| 32 | Emily Ferrone | 23 | daughter | Credit Clerk | Illinois |
| 33 | Josephine Ferrone | 9 | daughter | — | Illinois |
| 34 | Harry Nelson | 39 | head | Fireman | Wisconsin |
| 35 | Stella Nelson | 30 | wife | — | Indiana |
| 36 | Marianne Nelson | 10 | daughter | — | Illinois |
| 37 | Lola Mae Nelson | 7 | daughter | — | Illinois |
| 38 | Arthur Sandberg | 26 | head | Electrical Engineer | Illinois |
| 39 | Virginia Sandberg | 26 | wife | — | Illinois |
| 40 | Michael Sandberg | 2 | son | — | Illinois |
Pedigree Summary
Agnes + 2 siblings
Gen 1 · 5 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)