EC
Esther Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mchenry-County, Illinois
Our Model Tree links this Esther Carlson across the 1920, 1930 and 1940 US Censuses in Mchenry-County, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a daughter (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mchenry-County, Illinois |
| Surname | Carlson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | McHenry |
| Additional Details | |
| Occupation | Assembly |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | No 4 |
| 1935 Residence | Ill |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Assembly |
| Township / Ward | Woodstock |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Esther | Age | Birth yr |
|---|---|---|---|---|
| Harold Carlson | Son | — | 17 | ~1923 |
| Elsie Carlson | Daughter | — | 28 | ~1912 |
| Esther Carlson | Daughter | — | 22 | ~1918 |
| Ruby Carlson | Daughter | — | 18 | ~1922 |
| M Carlson | Spouse | — | 54 | ~1886 |
| Fred Carlson | Head | — | 54 | ~1886 |
| Arthur Carlson | Son | — | 12 | ~1928 |
Census Appearances
1920
Mchenry, Illinois
Daughter, age 3
Mchenry, Illinois · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mchenry, Illinois
Daughter, age 13
Mchenry, Illinois · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Esther O |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mchenry-County, Illinois
Daughter, age 22
Mchenry-County, Illinois · implied b. ~1918 — 7 household members
| Surname | Carlson |
| Given Name | Esther |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | McHenry |
| Occupation | Assembly |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | No 4 |
| 1935 Residence | Ill |
| 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 Fred Carlson (~0.92 confidence) and father Fred Carlson (~0.92 confidence) and father Fred Carlson (~0.92 confidence) and mother M Carlson (~0.92 confidence) and mother Manshild Carlson (~0.92 confidence) and mother Winifred Carlson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Carlson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Fred Carlson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Fred Carlson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
M Carlson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Manshild Carlson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Winifred Carlson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Esther Carlson
Daughter · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Arthur Carlson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Carlson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Carlson
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Carlson
Sibling · 1940 · age 18
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 — Mchenry-County, Illinois
Open full size
1940 US Federal Census — Mchenry-County, Illinois
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-00840-00492)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martha Whittier | 49 | Wife | — | Illinois |
| 42 | Gustav Biging | 76 | M Law | — | Germany |
| 43 | Fred Carlson | 54 | Head | Fireman | Sweden |
| 44 | M Carlson | 54 | Wife | — | Sweden |
| 45 | Elsie Carlson | 28 | Daughter | Asst Tender | Illinois |
| 46 | Esther Carlson THIS PERSON | 22 | Daughter | Assembly | Illinois |
| 47 | Ruby Carlson | 18 | Daughter | Waitress | Illinois |
| 48 | Harold Carlson | 17 | Son | — | Illinois |
| 49 | Arthur Carlson | 12 | Son | — | Illinois |
| 50 | Arthur Stalyke | 34 | Head | Molder | Illinois |
| 51 | Stella Stalyke | 34 | Wife | — | Maine |
| 52 | Paul Stalyke | 11 | Son | — | Illinois |
| 53 | Arthur Stalyke | 9 | Son | — | Illinois |
| 54 | Richard Stalyke | 5 | Son | — | Illinois |
| 55 | Diane Stalyke | 2 | Daughter | — | Illinois |
| 56 | Norman Stalyke | 27 | Brother | Driver | Illinois |
| 57 | Guy Botts | 57 | Head | Coach | Iowa |
| 58 | Theresa Botts | 58 | Wife | — | Illinois |
Pedigree Summary
Esther + 4 siblings
Gen 1 · 6 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)