DR
Dorothy Roberts — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Dorothy Roberts across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents Charles & Mary — first a daughter (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Roberts |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Industry | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1912 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Mary Roberts | Spouse | — | 53 | ~1887 |
| Dorothy Roberts | Daughter | — | 28 | ~1912 |
| Charles Roberts | Head | — | 55 | ~1885 |
Census Appearances
1920
Winnebago, Illinois
Daughter, age 8
Winnebago, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Michigan |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Daughter, age 18
Winnebago, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Daughter, age 28
Winnebago-County, Illinois · implied b. ~1912 — 3 household members
| Surname | Roberts |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Industry | 0 |
| Highest Grade | C 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 Dorothy Roberts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Roberts (~0.92 confidence) and mother Mary Roberts (~0.92 confidence) and mother Mary Roberts (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Roberts
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mary Roberts
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Mary Roberts
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Roberts
Daughter · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
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-t0627-00915-00083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman Swenson | 11 | son | — | Illinois |
| 2 | Robert Swenson | 10 | son | — | Illinois |
| 3 | Kenneth Swenson | 5 | son | — | Illinois |
| 4 | David Swenson | 2 | son | — | Illinois |
| 5 | Stanley Swenson | 0 | son | — | Illinois |
| 6 | Winthrop Skinner | 34 | head | Teacher (Phy) | Wisconsin |
| 7 | Jill E. Skinner | 32 | wife | — | Illinois |
| 8 | Phillip C. Skinner | 3 | son | — | Illinois |
| 9 | Charles A. Roberts | 55 | head | Doctor | Iowa |
| 10 | Mary M. Roberts | 53 | wife | — | Michigan |
| 11 | Dorothy Roberts THIS PERSON | 28 | daughter | — | Illinois |
| 12 | Nels Nelson | 51 | head | Superintendent | Norway |
| 13 | Ida Nelson | 46 | wife | — | Illinois |
| 14 | Robert Nelson | 17 | son | Office | Illinois |
| 15 | Richard Nelson | 6 | son | — | Illinois |
| 16 | Walter Larson | 36 | son-in-law | Attendant | Illinois |
| 17 | Viola Larson | 18 | daughter | Office Work | Illinois |
| 18 | Jack Hammester | 31 | head | Machine Operator | Sweden |
| 19 | Bettie Hammester | 28 | wife | — | Kansas |
| 20 | Sandra Hammester | 3 | daughter | — | Illinois |
| 21 | John Swanson | 59 | head | Moulder | Sweden |
| 22 | Ida S. Swanson | 44 | wife | — | Sweden |
| 23 | Axel Lundgren | 56 | lodger | Cabinet Maker | Sweden |
| 24 | Harold Lundgren | 29 | lodger | Cabinet Maker | Illinois |
| 25 | Helen Lundgren | 18 | lodger | Brake Maker | Illinois |
| 26 | Martin Rosene | 61 | head | Grocery Store | Illinois |
| 27 | Hattie M. Rosene | 51 | wife | — | Kansas |
| 28 | Lawrence Bildsell | 41 | head | Salesman | Illinois |
| 29 | Amy E. Bildsell | 41 | wife | — | Sweden |
| 30 | Gordon L. Bildsell | 18 | son | — | Illinois |
| 31 | Eugene M. Bildsell | 15 | son | — | Illinois |
| 32 | Richard S. Bildsell | 4 | son | — | Illinois |
| 33 | Axel Friberg | 49 | head | Supervisor | Sweden |
| 34 | Agnes Friberg | 49 | wife | — | Sweden |
| 35 | John A. Johnson | 56 | head | Cabinet Maker | Sweden |
| 36 | Hilma A. Johnson | 55 | wife | — | Sweden |
| 37 | Lewis Johnson | 75 | head | Watchman | Sweden |
| 38 | Ida Johnson | 73 | wife | — | Sweden |
| 39 | Glenora B. Wright | 61 | head | — | Illinois |
| 40 | Ruth E. Wright | 42 | wife | High School Teacher | Illinois |
Related Census Records
Pedigree Summary
Dorothy
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)