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Jack Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Jack Anderson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Alice — first a head (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Anderson |
| Given Name | Jack |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Mason Contractor |
| Industry | Bldg. Construction |
| Class of Worker | OA |
| Hours Worked | 14 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Mason Contractor |
| Township / Ward | Rockford |
| Est. Birth Year | ~1903 |
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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Jack Anderson | Head | — | 37 | ~1903 |
| Eva Anderson | Spouse | — | 38 | ~1902 |
| Jack Anderson | Son | — | 13 | ~1927 |
| David Anderson | Son | — | 9 | ~1931 |
Census Appearances
1920
Winnebago, Illinois
Son, age 17
Winnebago, Illinois · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Jack E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Winnebago, Illinois
Head, age 27
Winnebago, Illinois · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Jack |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | Mason |
| Industry | Contracting |
| Class of Worker | C3X1 |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 50.00 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Winnebago-County, Illinois
Head, age 37
Winnebago-County, Illinois · implied b. ~1903 — 4 household members
| Surname | Anderson |
| Given Name | Jack |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Rockford |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Occupation | Mason Contractor |
| Industry | Bldg. Construction |
| Class of Worker | OA |
| Hours Worked | 14 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Jack Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Anderson (~0.92 confidence) and mother Alice Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Alice Anderson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jack Anderson
Head · 1940 · age 37 · b. ~1903 · 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-t0627-00913-00171)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ray H. Burkhart | 57 | Head | Inspector | Illinois |
| 2 | Gertrude Burkhart | 58 | Wife | — | Illinois |
| 3 | Elmer Fender | 33 | Head | Draftsman | Illinois |
| 4 | Viola Fender | 25 | Wife | — | Iowa |
| 5 | Elwood Fender | 2 | Son | — | Illinois |
| 6 | Paul Pierson | 34 | Head | Lawyer | Illinois |
| 7 | Helen Pierson | 28 | Wife | — | Illinois |
| 8 | Robert Galloway | 32 | Head | Salesman | Illinois |
| 9 | Elizabeth Galloway | 26 | Wife | — | Missouri |
| 10 | Helen Galloway | 5 | Daughter | — | Iowa |
| 11 | Russell Galloway | 3 | Son | — | Iowa |
| 12 | Bertha Christenson | 21 | Maid | Maid | Iowa |
| 13 | Jack Anderson THIS PERSON | 37 | Head | Mason Contractor | Scotland |
| 14 | Eva M. Anderson | 38 | Wife | — | Illinois |
| 15 | Jack T. Anderson | 13 | Son | — | Illinois |
| 16 | David E. Anderson | 9 | Son | — | Illinois |
| 17 | Geo. B. Brown | 42 | Head | Salesman | Wisconsin |
| 18 | Mabel Brown | 42 | Wife | — | Illinois |
| 19 | Stewart Ralston | 50 | Head | President | Illinois |
| 20 | Lucy Ralston | 48 | Wife | — | Illinois |
| 21 | Barbara Ralston | 15 | Daughter | — | Illinois |
| 22 | Charles Booth | 49 | Head | Solicitor | Illinois |
| 23 | Gladys Booth | 44 | Wife | — | Illinois |
| 24 | Clyde Weingartner | 47 | Head | Salesman | Illinois |
| 25 | Dorothy Weingartner | 43 | Wife | — | Illinois |
| 26 | Philip Weingartner | 17 | Son | — | Illinois |
| 27 | Ann Weingartner | 12 | Daughter | — | Illinois |
| 28 | Jean Weingartner | 9 | Daughter | — | Illinois |
| 29 | Hilda R. Anderson | 57 | Head | — | Illinois |
| 30 | Mary J. Anderson | 20 | Daughter | — | Illinois |
| 31 | Isabelle Nordin | 52 | Partner | Teacher | Illinois |
| 32 | Wesley Heermann | 37 | Head | Salesman | Nebraska |
| 33 | Vera D. Heermann | 37 | Wife | — | Nebraska |
| 34 | Jane Heermann | 7 | Daughter | — | Nebraska |
| 35 | Janette Heermann | 7 | Daughter | — | Nebraska |
| 36 | Willard Fassler | 67 | Father-in-law | — | Illinois |
| 37 | Clarence Nelson | 45 | Head | Road Contractor | Illinois |
| 38 | Eva D. Nelson | 41 | Wife | — | Illinois |
| 39 | Charles Nelson | 17 | Son | Clerk & Delivery | Illinois |
| 40 | John Chapman | 34 | Head | Panel Press Oper. | Nebraska |
Pedigree Summary
Jack
Gen 1 · 2 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)