AC
Alice Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Alice Carlson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents Chas & George — first a daughter (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Carlson |
| Given Name | Alice S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline city |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Moline City |
| Est. Birth Year | ~1904 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Lloyd Carlson | Son | — | 32 | ~1908 |
| Alice Carlson | Daughter | — | 36 | ~1904 |
| George Carlson | Head | — | 68 | ~1872 |
| Ruth Carlson | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Rock Island, …
Daughter, age 15
Rock Island, Illinois · implied b. ~1905 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Alice A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Daughter, age 26
Rock Island, Illinois · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| 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
Rock-Island-County, Illinois
Daughter, age 36
Rock-Island-County, Illinois · implied b. ~1904 — 4 household members
| Surname | Carlson |
| Given Name | Alice S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline city |
| 1935 Residence (County) | Rock Island |
| 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 Alice Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chas Carlson (~0.92 confidence) and father George Carlson (~0.92 confidence) and father George Carlson (~0.92 confidence) and mother Chloe Carlson (~0.92 confidence) and mother Ruth Carlson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chas Carlson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
George Carlson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
George Carlson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Chloe Carlson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Ruth Carlson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Carlson
Daughter · 1940 · age 36 · b. ~1904 · Illinois
★ You are viewing this record
Sibling
Lloyd Carlson
Sibling · 1940 · age 32
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 — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Prentice L Hans | 55 | Head | Traveling Salesman | Indiana |
| 2 | Edith B Hans | 51 | Wife | — | Indiana |
| 3 | Mary Elizabeth Hans | 24 | Daughter | Grade Teacher | Iowa |
| 4 | Dorothy Jane Hans | 17 | Daughter | — | Indiana |
| 5 | George E Carlson | 68 | Head | Ins Agent | Illinois |
| 6 | Ruth E Carlson | 64 | Wife | — | Illinois |
| 7 | Alice S Carlson THIS PERSON | 36 | Daughter | — | Illinois |
| 8 | Lloyd C Carlson | 32 | Son | Shipping Clerk | Illinois |
| 9 | John A Forsberg | 77 | Head | — | Sweden |
| 10 | Ida C Forsberg | 78 | Wife | — | Sweden |
| 11 | Dorathea Forsberg | 35 | Daughter | Private Secty | Illinois |
| 12 | Andrew Hall | 54 | Head | Brick Mason | Sweden |
| 13 | Esther Hall | 53 | Wife | — | Illinois |
| 14 | Charles Anderson | 72 | Boarder | — | Sweden |
| 15 | Louis Hugh Webster | 44 | Head | Proprietor | Illinois |
| 16 | Eleanor B Webster | 34 | Wife | — | Illinois |
| 17 | Beverly Vaughn Webster | 15 | Daughter | — | Illinois |
| 18 | Jacqelain L Webster | 4 | Daughter | — | Illinois |
| 19 | Leonard H Stiegel | 42 | Head | Auditor | Illinois |
| 20 | Helen Stiegel | 35 | Wife | — | Illinois |
| 21 | Donovan Stiegel | 8 | Son | — | Illinois |
| 22 | Kenneth Stiegel | 7 | Son | — | Illinois |
| 23 | Nels Westlake | 62 | Head | Plow Fitter | Sweden |
| 24 | Marie Westlake | 63 | Wife | — | Sweden |
| 25 | Ida Marie Westlake | 33 | Daughter | Office Clerk | Illinois |
| 26 | Harold H Westlake | 26 | Son | Delivery Man | Illinois |
| 27 | Hellen N Westlake | 24 | Son | Stock Man | Illinois |
| 28 | Ellwood C Westlake | 22 | Son | Assembler | Illinois |
| 29 | Phyllis Westlake | 16 | Granddaughter | — | Illinois |
| 30 | Charles Chillberg | 67 | Head | Forman Painter | Sweden |
| 31 | Alma Chillberg | 64 | Wife | — | Sweden |
| 32 | Ralph C Chillberg | 42 | Son | Salesman Retail Cigars | Illinois |
| 33 | Lola Chillberg | 34 | Daughter in law | Sales Lady | So Dakota |
| 34 | Elwood Meegan | 27 | Son in law | Body Trimer | Illinois |
| 35 | Mary Jane Meegan | 23 | Daughter | — | Illinois |
| 36 | John T Lundquist | 55 | Head | Auto Salesman | Illinois |
| 37 | Eva Lundquist | 50 | Wife | — | Illinois |
| 38 | Ferenc Szasz | 34 | Head | Mechanical Engineer | Hungary |
| 39 | Mary Szasz | 38 | Wife | — | Indiana |
| 40 | Ferenc V Szasz | 5 | Son | — | Iowa |
Pedigree Summary
Alice + 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)