RC
Ruth Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Ruth Carlson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Adolf & Hedwig — first a daughter (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Highest Grade | H 4/3 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rockford City |
| 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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ellen Carlson | Spouse | — | 50 | ~1890 |
| Simon Carlson | Head | — | 53 | ~1887 |
| Ruth Carlson | Daughter | — | 26 | ~1914 |
| Roland Carlson | Son | — | 23 | ~1917 |
Census Appearances
1920
Winnebago, Illinois
Daughter, age 5
Winnebago, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Daughter, age 16
Winnebago, Illinois · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Daughter, age 26
Winnebago-County, Illinois · implied b. ~1914 — 4 household members
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Highest Grade | H 4/3 |
| 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 Ruth Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adolf Carlson (~0.92 confidence) and mother Hedwig Carlson (~0.92 confidence) and father Simon Carlson (~0.92 confidence) and mother Ellen Carlson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adolf Carlson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Hedwig Carlson
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Simon Carlson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Ellen Carlson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Carlson
Daughter · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Roland Carlson
Sibling · 1940 · age 23
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-t0627-00915-00159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Johnson | 58 | Head | Cement Worker | Sweden |
| 2 | Martina Johnson | 55 | Wife | — | Sweden |
| 3 | Carl Gunnar Johnson | 23 | Son | — | Illinois |
| 4 | Mellie O. Johns | 55 | Head | Dept Book Writer | Illinois |
| 5 | Laura Belle Clark | 80 | Mother | — | Illinois |
| 6 | Charles Henderson | 50 | Head | Personnel Mgr | Illinois |
| 7 | Genevieve Henderson | 50 | Wife | Music Teacher | Illinois |
| 8 | Fred C. Newman | 46 | Brother | — | Illinois |
| 9 | Minnie D. Mustfeldt | 67 | Head | — | Illinois |
| 10 | Ella Nelson | 70 | Lodger | Typist - Office | Illinois |
| 11 | Dorothy Jane Norris | 20 | Lodger | Secretary | Wisconsin |
| 12 | James Larson | 25 | Head | Attendant | So. Dakota |
| 13 | Deannette Larson | 21 | Wife | — | Illinois |
| 14 | James Larson | 1 | Son | — | Illinois |
| 15 | Walter Gassmann | 47 | Head | Supervisor | Illinois |
| 16 | Ruth Gassmann | 46 | Wife | — | Illinois |
| 17 | Charles Gassmann | 22 | Son | Apprentice | Illinois |
| 18 | Jean Elizabeth Gassmann | 16 | Daughter | — | Wisconsin |
| 19 | Nels Lind | 60 | Head | Contractor | Sweden |
| 20 | Jenny Lind | 56 | Wife | — | Sweden |
| 21 | Bernice Lind | 34 | Daughter | Stenographer | Illinois |
| 22 | Helen Lind | 32 | Daughter | Teacher | Illinois |
| 23 | Gunnar Swanson | 37 | Head | Policeman | Sweden |
| 24 | Molly Swanson | 37 | Wife | — | Sweden |
| 25 | Roy Swanson | 14 | Son | — | Illinois |
| 26 | Kenneth Swanson | 11 | Son | — | Illinois |
| 27 | Thomas Johnson | 64 | Father-in-law | Toolmaker | Sweden |
| 28 | Note: Ends Block 217 And Begins Block 224 | None | — | — | — |
| 29 | Simon Carlson | 53 | Head | Plumber | Sweden |
| 30 | Ellen Carlson | 50 | Wife | — | Illinois |
| 31 | Ruth Carlson THIS PERSON | 26 | Daughter | — | Illinois |
| 32 | Roland Carlson | 23 | Son | Apprentice Plumber | Illinois |
| 33 | Hilmer A. Johnson | 53 | Head | General Mgr | Sweden |
| 34 | Anna Johnson | 49 | Wife | — | Michigan |
| 35 | Burdette Johnson | 21 | Son | Engineering Apprentice | Illinois |
| 36 | August Johnson | 72 | Father-in-law | — | Sweden |
| 37 | Edward T. Johnson | 47 | Head | Foreman Composing Room | Illinois |
| 38 | Ruth Johnson | 46 | Wife | — | Illinois |
| 39 | Mary Irene Johnson | 14 | Daughter | — | Illinois |
| 40 | Edward Armer Johnson | 9 | Son | — | Illinois |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 4 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)