EC
Esther Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Esther Carlson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Gustaf & Amanda — first a daughter (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Carlson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | General Factory Worker |
| Industry | Piano Action Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | General Factory Worker |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1902 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Esther | Age | Birth yr |
|---|---|---|---|---|
| Amanda Carlson | Head | — | 65 | ~1875 |
| Esther Carlson | Daughter | — | 38 | ~1902 |
| Alvin Carlson | Son | — | 35 | ~1905 |
Census Appearances
1920
Winnebago, Illinois
Daughter, age 19
Winnebago, Illinois · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Esther |
| 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 | Knitting Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Daughter, age 28
Winnebago, Illinois · implied b. ~1902 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Assembler |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Daughter, age 38
Winnebago-County, Illinois · implied b. ~1902 — 3 household members
| Surname | Carlson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Occupation | General Factory Worker |
| Industry | Piano Action Factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 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 Esther Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gustaf Carlson (~0.92 confidence) and mother Amanda Carlson (~0.92 confidence) and mother Charlotte Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gustaf Carlson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Amanda Carlson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Charlotte Carlson
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Esther Carlson
Daughter · 1940 · age 38 · b. ~1902 · Illinois
★ You are viewing this record
Sibling
Alvin Carlson
Sibling · 1940 · age 35
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-t0627-00913-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Natalie Soderstrom | 60 | Wife | — | Illinois |
| 42 | Wesley Soderstrom | 35 | Son | Commercial Artist | Illinois |
| 43 | Dorothy Swanson | 25 | Niece | Clerk | Illinois |
| 44 | Alfred Bjork | 68 | Head | — | Sweden |
| 45 | Ida Bjork | 69 | Wife | — | Sweden |
| 46 | Florence Bjork | 35 | Daughter | Stenographer | Illinois |
| 47 | Chris Stahl | 54 | Head | Hand | Sweden |
| 48 | Theresa Stahl | 55 | Wife | — | Sweden |
| 49 | Amanda Carlson | 65 | Head | — | Sweden |
| 50 | Esther Carlson THIS PERSON | 38 | Daughter | General Factory Worker | Illinois |
| 51 | Alvin Carlson | 35 | Son | Laborer | Illinois |
| 52 | Oscar Nyquist | 39 | Head | Molder | Illinois |
| 53 | Jennie Nyquist | 38 | Wife | — | Illinois |
| 54 | Sylvia Nyquist | 3 | Daughter | — | — |
| 55 | Glenn Rehnberg | 33 | Lodger | Punch Press Operator | Wisconsin |
| 56 | Raymond Rehnberg | 30 | Lodger | Sprayer | Wisconsin |
| 57 | Otto L. Carlson | 63 | Head | Machine Hand | Sweden |
| 58 | Ida Carlson | 61 | Wife | — | Sweden |
| 59 | Charles Macintosh | 38 | Head | Truck Driver | Illinois |
| 60 | Frances Macintosh | 34 | Wife | — | Illinois |
| 61 | Charles L. Macintosh | 5 | Son | — | — |
| 62 | Betty Simon | 14 | Daughter | — | Illinois |
| 63 | Harvey S. Johnson | 37 | Head | Header | Illinois |
| 64 | Vera Johnson | 36 | Wife | — | Illinois |
| 65 | Carl Johnson | 7 | Son | — | — |
| 66 | Edward Johnson | 1 | Son | — | — |
| 67 | Alfred Kjerner | 83 | Head | — | Sweden |
| 68 | Matilda Kjerner | 81 | Wife | — | Sweden |
| 69 | Hildur Kjerner | 49 | Daughter | Partner | Illinois |
| 70 | Harry Kjerner | 49 | Head | Machine Operator | Illinois |
| 71 | Edith Kjerner | 45 | Wife | — | Illinois |
| 72 | Harriet Kjerner | 16 | Daughter | — | Illinois |
| 73 | Ragnar Johnson | 44 | Head | Clerk (Office) | Illinois |
| 74 | Eileen Johnson | 39 | Wife | — | Illinois |
| 75 | Loisie Johnson | 17 | Daughter | — | Illinois |
| 76 | Joseph C. Fast | 48 | Head | Laborer | Illinois |
| 77 | Maxine Fast | 45 | Wife | — | Illinois |
| 78 | Augusta Anderson | 73 | Head | — | Sweden |
| 79 | Floody Hannah Anderson | 73 | Maid | — | Sweden |
| 80 | John West | 66 | Head | Machine Operator | Sweden |
Pedigree Summary
Esther + 1 sibling
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)