WC
William Carlson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Winnebago, Illinois
Our Model Tree links this William Carlson across the 1920, 1930 and 1940 US Censuses in Winnebago, Illinois (XGBoost, ~Confirmed), with identified parents Carl & Carl — first a son (b.~1918), then head of a 5-person household.
Age 2
b. ~1918
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Winnebago, Illinois |
| Surname | Carlson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rockford Precinct 4 |
| 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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Carlson | Son | — | 2 | ~1918 |
| Clifford Carlson | Son | — | 8 | ~1912 |
| Joseph Wilson | Other | — | 31 | ~1889 |
| Hulda Carlson | Spouse | — | 37 | ~1883 |
| Martin Carlson | Head | — | 36 | ~1884 |
Census Appearances
1920
Winnebago, Illinois
Son, age 2
Winnebago, Illinois · implied b. ~1918 — 5 household members
| Surname | Carlson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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
Son, age 13
Winnebago, Illinois · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Willard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Son, age 23
Winnebago-County, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Willard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Occupation | Apprentice Machinist |
| Industry | Screw Machine Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 408 |
| Highest Grade | Hs 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 William Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Carlson (~0.92 confidence) and father Carl Carlson (~0.92 confidence) and father Martin Carlson (~0.92 confidence) and mother Celia Carlson (~0.92 confidence) and mother Hulda Carlson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Carlson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Carl Carlson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Martin Carlson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Celia Carlson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Hulda Carlson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Carlson
Son · 1920 · age 2 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Clifford Carlson
Sibling · 1920 · age 8
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
1920 US Federal Census — Winnebago, Illinois
Open full size
1920 US Federal Census — Winnebago, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu417unit:0656)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma Knudson | 21 | Daughter | — | Illinois |
| 2 | Ruth Knudson | 19 | Daughter | — | Illinois |
| 3 | Gustaf Knudson | 60 | Brother | Painter | Norway |
| 4 | Martin Carlson | 36 | Head | Trucker | Sweden |
| 5 | Hulda Carlson | 37 | Wife | — | Sweden |
| 6 | Clifford Carlson | 8 | Son | — | Illinois |
| 7 | William Carlson THIS PERSON | 2 | Son | — | Illinois |
| 8 | Joseph Wilson | 31 | Brother-in-law | Trucker | Sweden |
| 9 | Albert Anderson | 75 | Head | — | Sweden |
| 10 | Axel Lindstedt | 39 | Head | Driver | Illinois |
| 11 | Minnie Lindstedt | 30 | Wife | — | Illinois |
| 12 | John M. Lindstedt | 63 | Father | — | Sweden |
| 13 | Margaret Lindstedt | 3 | Daughter | — | Illinois |
| 14 | Charles Thorson | 51 | Head | Machinist | Illinois |
| 15 | Ethel Thorson | 34 | Wife | — | Illinois |
| 16 | Edward Thorson | 13 | Son | — | Illinois |
| 17 | Lucy Thorson | 10 | Daughter | — | Illinois |
| 18 | Howard Burrell | 24 | Head | Machinist | Illinois |
| 19 | Pearl Burrell | 24 | Wife | — | Illinois |
| 20 | Gust A. Lundquist | 39 | Head | — | Sweden |
| 21 | Helen Lundquist | 36 | Wife | Machinist | Sweden |
| 22 | Annette Lundquist | 8 | Daughter | — | Illinois |
| 23 | Lake Armstrong | 45 | Boarder | Laborer | Illinois |
| 24 | Frank Westman | 61 | Head | Laborer | Sweden |
| 25 | Mabel Westman | 56 | Wife | — | Sweden |
| 26 | Ralph Westman | 26 | Son | Publicist | Illinois |
| 27 | Jack Westman | 21 | Son | Milkman | Illinois |
| 28 | John Talbot | 39 | Head | Trucker | Oregon |
| 29 | Hattie Talbot | 35 | Wife | — | Illinois |
| 30 | Frank Talbot | 13 | Son | — | Illinois |
| 31 | Margaret Talbot | 12 | Daughter | — | Illinois |
| 32 | Arthur Talbot | 11 | Son | — | Illinois |
| 33 | Jane Talbot | 7 | Daughter | — | Illinois |
| 34 | Ralph Talbot | 5 | Son | — | Illinois |
| 35 | John H. Holmberg | 63 | Head | Tailor | Sweden |
| 36 | Anna Holmberg | 61 | Wife | — | Sweden |
| 37 | Elmer E. Strand | 37 | Head | Machinist | Iowa |
| 38 | Josephine Strand | 34 | Wife | — | Illinois |
| 39 | Pauline Strand | 11 | Daughter | — | Illinois |
| 40 | Harry E. Nelson | 25 | Head | Produce Mgr. | Illinois |
| 41 | Edith Nelson | 21 | Wife | — | Illinois |
| 42 | Earl Nelson | 1 | Son | — | Illinois |
| 43 | Oscar Ekman | 35 | Head | Foreman | Sweden |
| 44 | Hazel Ekman | 34 | Wife | — | Sweden |
| 45 | Donald Ekman | 8 | Son | — | Illinois |
| 46 | Fred H. Yanke | 35 | Head | Clerk | Illinois |
| 47 | Florence Yanke | 34 | Wife | — | Illinois |
| 48 | Carl E. Olson | 43 | Head | Mason | Sweden |
| 49 | Hulda Olson | 40 | Wife | — | Sweden |
| 50 | Violetta Olson | 14 | Daughter | — | Sweden |
Pedigree Summary
William + 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 1920 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)