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Carl Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Carl Carlson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Marie & Carl — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Carlson |
| Given Name | Carl W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Rockford |
| Est. Birth Year | ~1914 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Helen Carlson | Daughter | — | 23 | ~1917 |
| Clara Carlson | Daughter | — | 26 | ~1914 |
| John Carlson | Head | — | 52 | ~1888 |
| Carl Carlson | Son | — | 26 | ~1914 |
Census Appearances
1920
Winnebago, Illinois
Son, age 6
Winnebago, Illinois · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Stamper |
| Industry | Machine Shop |
| Class of Worker | W |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Son, age 16
Winnebago, Illinois · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Son, age 26
Winnebago-County, Illinois · implied b. ~1914 — 4 household members
| Surname | Carlson |
| Given Name | Carl W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Carl Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Marie Carlson (~0.92 confidence) and father Carl Carlson (~0.92 confidence) and father John Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Marie Carlson
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Carl Carlson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Carlson
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Carl Carlson
Son · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Helen Carlson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Carlson
Sibling · 1940 · age 26
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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00913-00716)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norma Strombeck | 30 | Wife | — | Illinois |
| 42 | Richard Strombeck | 3 | Son | — | Illinois |
| 43 | Richard Strombeck | 1 | Son | — | Illinois |
| 44 | Evan Peterson | 42 | Head | Meat Cutter | Illinois |
| 45 | Edna Peterson | 42 | Wife | — | Illinois |
| 46 | Marion Peterson | 16 | Daughter | — | Illinois |
| 47 | Adeline Peterson | 14 | Daughter | — | Illinois |
| 48 | Richard Peterson | 9 | Son | — | Illinois |
| 49 | Velma Reid | 52 | Keeper | Housekeeper | Wisconsin |
| 50 | John A. Carlson | 52 | Head | Cabinet Maker | Sweden |
| 51 | Helen Carlson | 23 | Daughter | Time Keeper | Wisconsin |
| 52 | Carl W. Carlson THIS PERSON | 26 | Son | Machinist | Illinois |
| 53 | Clara Carlson | 26 | Daughter | — | Illinois |
| 54 | Harold Johnson | 39 | Head | Wholesale Manager | Illinois |
| 55 | Madeline Johnson | 40 | Wife | — | Wisconsin |
| 56 | Maxine Johnson | 18 | Daughter | — | Illinois |
| 57 | Geraldine Johnson | 18 | Daughter | — | Illinois |
| 58 | Della Marshall | 71 | Mother in law | — | Wisconsin |
| 59 | Stella Szeluga | 39 | Head | Hemmer | Poland |
| 60 | Raymond Szeluga | 19 | Son | Apprentice Machinist | Illinois |
| 61 | Leonard Szeluga | 17 | Son | Apprentice Machinist | Illinois |
| 62 | John Jakubowicz | 67 | Father | — | Poland |
| 63 | Helen Jakubowicz | 64 | Mother | — | Poland |
| 64 | Ida Jakubowicz | 30 | Sister | — | Poland |
| 65 | Carl Noren | 60 | Head | Sawyer | Sweden |
| 66 | Hanna Noren | 64 | Wife | — | Sweden |
| 67 | Margaret Noren | 29 | Daughter | Nurse, Trained | Illinois |
| 68 | Carol Noren | 27 | Son | Machinist | Illinois |
| 69 | Kenneth Noren | 25 | Son | Office Clerk | Illinois |
| 70 | Aldora Noren | 22 | Daughter | Office Assistant | Illinois |
| 71 | Edward Garmager | 46 | Head | Machinist | Norway |
| 72 | Margaret Garmager | 41 | Wife | — | Germany |
| 73 | Ruth Garmager | 17 | Daughter | — | Illinois |
| 74 | Kenneth Garmager | 13 | Son | — | Illinois |
| 75 | Clim Kinner | 48 | Head | Floor Covering | Iowa |
| 76 | Edna Kinner | 50 | Wife | Floor Office Clerk | Illinois |
| 77 | Miles Kinner | 16 | Son | — | Illinois |
| 78 | Charles A. Stark | 69 | Head | Wood Carver | Sweden |
| 79 | Carma C. Stark | 67 | Wife | — | Indiana |
| 80 | Walter Stark | 44 | Head | Accountant | Illinois |
Pedigree Summary
Carl + 2 siblings
Gen 1 · 3 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)