RA
Roy Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Roy Anderson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Anna — first a son (b.~1901), then head of a 2-person household.
Age 39
b. ~1901
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Anderson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Clerk |
| Industry | Steel |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1901 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Selma Anderson | Head | — | 66 | ~1874 |
| Roy Anderson | Son | — | 39 | ~1901 |
Census Appearances
1920
Cook, Illinois
Son, age 18
Cook, Illinois · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Roy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 28
Cook, Illinois · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 39
Cook-County, Illinois · implied b. ~1901 — 2 household members
| Surname | Anderson |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Occupation | Clerk |
| Industry | Steel |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1400 |
| 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 Roy 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 Anna Anderson (~0.92 confidence) and mother Selma Anderson (~0.92 confidence) and mother Annie Anderson (~0.92 confidence) and father Aron Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Anna Anderson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Selma Anderson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Annie Anderson
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Aron Anderson
b. ~1877
Source father
● Household
· direct · ~0.92
This person
Anchor record
Roy Anderson
Son · 1940 · age 39 · b. ~1901 · 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00936-00213)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sidney Abney | 40 | Head | Mechanic | Illinois |
| 42 | Ruth Abney | 40 | Wife | — | Illinois |
| 43 | Marjorie Abney | 16 | Daughter | — | Illinois |
| 44 | Russel Huggins | 58 | Head | Freight Agent | Illinois |
| 45 | Margaret Huggins | 58 | Wife | — | Illinois |
| 46 | Clifford Huggins | 22 | Son | Salesman | Illinois |
| 47 | Eleanor Huggins | 21 | Daughter | — | Illinois |
| 48 | Robert Huggins | 22 | Son | — | Illinois |
| 49 | Dorothy Huggins | 20 | Daughter | — | Illinois |
| 50 | Willard Huggins | 18 | Son | — | Illinois |
| 51 | Emily Huggins | 15 | Daughter | — | Illinois |
| 52 | Selma Anderson | 66 | Head | — | Sweden |
| 53 | Roy Anderson THIS PERSON | 39 | Son | Clerk | Illinois |
| 54 | James Dean | 59 | Head | Locomotive Engineer | Illinois |
| 55 | Julia Dean | 59 | Wife | — | Sweden |
| 56 | James Dean | 24 | Son | Switchman | Illinois |
| 57 | Betty Dean | 18 | Daughter | — | Illinois |
| 58 | Carl Dalinsky | 56 | Head | Truck Driver | Poland |
| 59 | Ethel Dalinsky | 53 | Wife | — | Poland |
| 60 | Anna Bravo | 32 | Daughter | — | Poland |
| 61 | Andrew Schuster | 59 | Head | Labor | Hungary |
| 62 | Mary Schuster | 53 | Wife | — | Hungary |
| 63 | John F. Schuster | 27 | Son | Civil Engineer | Illinois |
| 64 | Helen Mary Schuster | 20 | Daughter | Stenographer | Illinois |
| 65 | Helen Miller | 59 | Head | — | Germany |
| 66 | Lewis Conner | 55 | Head | Lawyer | Illinois |
| 67 | Helen Conner | 46 | Wife | — | Illinois |
| 68 | Jean Conner | 18 | Daughter | — | Illinois |
| 69 | Helen Conner | 13 | Daughter | — | Illinois |
| 70 | Arthur J. Beaver | 66 | Head | Salesman | Ohio |
| 71 | Mary Beaver | 66 | Wife | — | Ohio |
| 72 | May Long | 28 | Boarder | Clerk | Indiana |
| 73 | Nola M. Long | 30 | Boarder | Clerk | Indiana |
| 74 | Arthur C. Long | 15 | Boarder | — | Indiana |
| 75 | Martin Aschbrenner | 46 | Head | Electrician | Illinois |
| 76 | Mildred Aschbrenner | 40 | Wife | — | Illinois |
| 77 | Paul Aschbrenner | 17 | Son | — | Illinois |
| 78 | Roy Aschbrenner | 12 | Son | — | Illinois |
| 79 | Martha Aschbrenner | 8 | Daughter | — | Illinois |
| 80 | Knut L. Knutson | 70 | Head | — | Sweden |
Pedigree Summary
Roy
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)