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Charles Larson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Charles Larson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Larson |
| Given Name | Charles, Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Electrician |
| Industry | Diesel Engine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Electrician |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1915 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Larson | Daughter | — | 27 | ~1913 |
| Charles Larson | Son | — | 25 | ~1915 |
| Florence Larson | Spouse | — | 51 | ~1889 |
| Charles Larson | Head | — | 52 | ~1888 |
Census Appearances
1920
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Charles Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 15
Cook, Illinois · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Charles Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 25
Cook-County, Illinois · implied b. ~1915 — 4 household members
| Surname | Larson |
| Given Name | Charles, Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Electrician |
| Industry | Diesel Engine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 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 Charles Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Larson (~0.92 confidence) and father Charles Larson (~0.92 confidence) and mother Florence Larson (~0.92 confidence) and mother Florence Larson (~0.92 confidence) and father Charles Larson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Larson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Charles Larson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Florence Larson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Florence Larson
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Charles Larson
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
Charles Larson
Son · 1940 · age 25 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Evelyn Larson
Sibling · 1940 · age 27
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-t0627-00939-01012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vincent Thomas Vincent | 13 | Daughter | — | Illinois |
| 42 | Thomas Gately | 50 | Head | Manager | Illinois |
| 43 | Loretta Gately | 49 | Wife | — | Indiana |
| 44 | William Gately | 12 | Son | — | Illinois |
| 45 | Barbara Gately | 9 | Daughter | — | Illinois |
| 46 | Rose Urbani | 21 | Servant | Maid | Illinois |
| 47 | Henry Andrews | 62 | Head | Cabinet Maker | England |
| 48 | Agnes Andrews | 66 | Wife | — | England |
| 49 | John Turnbull | 56 | Head | Machinist | Scotland |
| 50 | Isabelle Turnbull | 54 | Wife | — | Scotland |
| 51 | Isabelle Turnbull | 25 | Daughter | — | Illinois |
| 52 | Christina Turnbull | 23 | Daughter | Stenographer | Illinois |
| 53 | James Turnbull | 16 | Son | — | Illinois |
| 54 | Leopold Feuerstein | 64 | Head | Jeweler | Pennsylvania |
| 55 | Zoe Feuerstein | 58 | Wife | — | New York |
| 56 | Robert Feuerstein | 27 | Son | Optometrist | Illinois |
| 57 | Millard Foster | 26 | Nephew | — | Illinois |
| 58 | Grace French | 63 | Head | Owner | Michigan |
| 59 | Charles Wagner | 45 | Son | Pullman Conductor | Missouri |
| 60 | Martha Cullerydee|Cullerydee | 51 | Head | Stenographer | Illinois |
| 61 | Joseph Stemple | 54 | Brother-in-law | Electrician | Austria |
| 62 | Frances Stemple | 54 | Sister | — | Wisconsin |
| 63 | Russell Stemple | 26 | Nephew | Traffic Agent | Illinois |
| 64 | Emil Tonelli | 46 | Head | Janitor | Illinois |
| 65 | Adelli Tonelli | 45 | Wife | — | Italy |
| 66 | Leah Tonelli | 17 | Daughter | — | Italy |
| 67 | Norma Tonelli | 12 | Daughter | — | Illinois |
| 68 | Irene Tonelli | 8 | Daughter | — | Illinois |
| 69 | Charles Larson | 52 | Head | Manager | Illinois |
| 70 | Florence Larson | 51 | Wife | — | Illinois |
| 71 | Evelyn Larson | 27 | Daughter | Typist | Illinois |
| 72 | Charles, Jr. Larson THIS PERSON | 25 | Son | Electrician | Illinois |
| 73 | Leslie Baly | 41 | Head | Auditor | Illinois |
| 74 | Edith Baly | 38 | Wife | — | Illinois |
| 75 | Kenneth Baly | 13 | Son | — | Illinois |
| 76 | Olaf Olaf Jensen | 78 | Head | — | Denmark |
| 77 | Inga Olaf Jensen | 67 | Wife | — | Denmark |
| 78 | Menelaos Kritikos | 26 | Head | Truck Driver | Greece |
| 79 | Eucharis Kritikos | 24 | Wife | — | Greece |
| 80 | Katherine Kritikos | 0 | Daughter | — | Illinois |
Pedigree Summary
Charles + 1 sibling
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)