RA
Ralph Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mclean-County, Illinois
Our Model Tree links this Ralph Anderson across the 1920, 1930 and 1940 US Censuses in Mclean-County, Illinois (XGBoost, ~Confirmed), with identified parents Gustav & Selma — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mclean-County, Illinois |
| Surname | Anderson |
| Given Name | Ralph L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Normal |
| 1935 Residence (County) | McLean |
| Additional Details | |
| Occupation | automobile parts man |
| Industry | automobile company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1400 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Automobile Parts Man |
| Township / Ward | Normal |
| Est. Birth Year | ~1909 |
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 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Durham | Son | — | 17 | ~1923 |
| C Burner | Other | — | 27 | ~1913 |
| Camilla Burner | Other | — | 20 | ~1920 |
| Ralph Anderson | Head | — | 31 | ~1909 |
| Wilma Anderson | Daughter | — | 24 | ~1916 |
Census Appearances
1920
Mclean, Illinois
Son, age 10
Mclean, Illinois · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ralph L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mclean, Illinois
Son, age 21
Mclean, Illinois · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Ralph L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Salesman |
| Industry | Battery shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mclean-County, Illinois
Head, age 31
Mclean-County, Illinois · implied b. ~1909 — 5 household members
| Surname | Anderson |
| Given Name | Ralph L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Normal |
| 1935 Residence (County) | McLean |
| Occupation | automobile parts man |
| Industry | automobile company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1400 |
| Highest Grade | C 1 |
| 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 Ralph Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gustav Anderson (~0.92 confidence) and mother Selma Anderson (~0.92 confidence) and mother Selma Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gustav Anderson
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Selma Anderson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Selma Anderson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Anderson
Head · 1940 · age 31 · b. ~1909 · 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 — Mclean-County, Illinois
Open full size
1940 US Federal Census — Mclean-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00842-00821)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest Thiel | 56 | Head | Plumbing Shop Keeper | Iowa |
| 2 | Almeda S. Thiel | 53 | Wife | — | Minnesota |
| 3 | Kent Thiel | 25 | Son | Salesman | Illinois |
| 4 | James Thiel | 17 | Son | — | Illinois |
| 5 | John Thiel | 14 | Son | — | Illinois |
| 6 | Robert Thiel | 10 | Son | — | Illinois |
| 7 | Wilbur Jones | 52 | Head | Locomotive Engineer | Iowa |
| 8 | Kathryne Jones | 50 | Wife | — | Illinois |
| 9 | Merton R. Smith | 26 | Head | Mechanic | Indiana |
| 10 | Marybelle Smith | 25 | Wife | — | Indiana |
| 11 | Albia Jean Smith | 6 | Daughter | — | Indiana |
| 12 | Donald Lee Smith | 5 | Son | — | Indiana |
| 13 | Dale Lenore Smith | 3 | Son | — | Indiana |
| 14 | Glenn Allen Smith | 0 | Son | — | Illinois |
| 15 | Gene Louise Norman | 16 | Son | — | Illinois |
| 16 | Rowena Norman | 9 | Daughter | — | Illinois |
| 17 | Donald Colville | 10 | Son | — | Illinois |
| 18 | Eva K. Christen | 10 | Daughter | — | Illinois |
| 19 | Jennie M. Ryburn | 80 | Lodger | — | Illinois |
| 20 | Edward R. Tobias | 73 | Head | — | Illinois |
| 21 | Della Tobias | 72 | Wife | — | Illinois |
| 22 | Joel Melton | 79 | Father | — | Indiana |
| 23 | Jennie Melton | 79 | Mother | — | Indiana |
| 24 | Lester Jr. King | 20 | Son | Salesman | Indiana |
| 25 | Gerald S. King | 10 | Son | — | Illinois |
| 26 | Ralph L. Anderson THIS PERSON | 31 | Head | Automobile Parts Man | Illinois |
| 27 | Wilma Anderson | 24 | Daughter | Stenographer | Illinois |
| 28 | C. A. Burner | 27 | Brother-in-law | Engineer | Illinois |
| 29 | Camilla Burner | 20 | Sister-in-law | — | Texas |
| 30 | Ralph L. Durham | 17 | Son | New Worker | Illinois |
| 31 | William Barnett | 84 | Head | Laborer | Illinois |
| 32 | Violet Barnett | 26 | Wife | General Assistant | Illinois |
| 33 | Alfred Laurine | 30 | Servant | Chauffeur And Gardener | Illinois |
| 34 | Barbara Anderson | 10 | Daughter | — | Illinois |
| 35 | Louis King | 49 | Head | Fireman | Illinois |
| 36 | Sophia King | 48 | Wife | — | Illinois |
| 37 | Norma King | 18 | Daughter | — | Illinois |
| 38 | Carl King | 16 | Son | Paper Carrier | Illinois |
| 39 | Helen Gerber | 34 | Lodger | Nursing | Illinois |
| 40 | Alvia Haggard | 21 | Domestic | New Worker | Illinois |
Pedigree Summary
Ralph
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)