RA
Richard Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Richard Anderson across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed), with identified parents Earl & Earl — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Anderson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Warehouse |
| Industry | Oil Co |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Warehouse |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1919 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| William Anderson | Head | — | 44 | ~1896 |
| Robert Anderson | Son | — | 23 | ~1917 |
| Richard Anderson | Son | — | 21 | ~1919 |
| Earl Anderson | Son | — | 17 | ~1923 |
| Bernice Anderson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Polk, Iowa
Son, age 1
Polk, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 11
Polk, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 21
Polk-County, Iowa · implied b. ~1919 — 5 household members
| Surname | Anderson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Occupation | Warehouse |
| Industry | Oil Co |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Richard Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Anderson (~0.92 confidence) and father Earl Anderson (~0.92 confidence) and father William Anderson (~0.92 confidence) and mother Bessie Anderson (~0.92 confidence) and mother Bernice Anderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Anderson
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Earl Anderson
b. ~1896
Source father
● Household
· direct · ~0.92
Father
William Anderson
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Bessie Anderson
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Bernice Anderson
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Anderson
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Robert Anderson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Anderson
Sibling · 1940 · age 17
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
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01197-00274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sharon K Patterson | 3 | Daughter | — | Iowa |
| 42 | Ernest L Patterson | 52 | Head | Chemist | Iowa |
| 43 | Velma Patterson | 37 | Wife | — | Iowa |
| 44 | Margaret L Patterson | 14 | Daughter | — | Iowa |
| 45 | Andrew L Carter | 50 | Head | Carpenter | Missouri |
| 46 | Onie D Carter | 48 | Wife | — | Missouri |
| 47 | Nora M Carter | 26 | Daughter | — | Missouri |
| 48 | Preston Carter | 24 | Son | Welder | Missouri |
| 49 | Virginia Carter | 20 | Daughter | — | Missouri |
| 50 | Samantha Dearviling | 81 | Head | — | Iowa |
| 51 | Wilbur W Willock | 42 | Head | Laborer | Illinois |
| 52 | Ida M Willock | 38 | Wife | — | Colorado |
| 53 | Edna G Willock | 15 | Daughter | — | Iowa |
| 54 | Eunice E Willock | 13 | Daughter | — | Iowa |
| 55 | Richard W Willock | 10 | Son | — | Iowa |
| 56 | Barbara J Willock | 4 | Daughter | — | Iowa |
| 57 | Harold L Willock | 1 | Son | — | Iowa |
| 58 | Dana D Warren | 61 | Head | — | Iowa |
| 59 | Margaret Schmidt | 30 | Head | — | Iowa |
| 60 | Donald W Schmidt | 14 | Son | — | Iowa |
| 61 | May B Schmidt | 13 | Daughter | — | Iowa |
| 62 | Robert G Schmidt | 12 | Son | — | Iowa |
| 63 | Margaret A Schmidt | 8 | Daughter | — | Iowa |
| 64 | Henry D Vandervort | 84 | Head | — | Iowa |
| 65 | Melinda E Vandervort | 68 | Wife | — | Iowa |
| 66 | Everett R Vandervort | 45 | Son | — | Iowa |
| 67 | William E Anderson | 44 | Head | Coal Mine | Iowa |
| 68 | Bernice M Anderson | 43 | Wife | — | Iowa |
| 69 | Robert H Anderson | 23 | Son | Assembler | Iowa |
| 70 | Richard Anderson THIS PERSON | 21 | Son | Warehouse | Iowa |
| 71 | Earl Anderson | 17 | Son | Splicer | Iowa |
| 72 | Floyd D Crowell | 24 | Head | Trucker | Iowa |
| 73 | Cecilla Crowell | 25 | Wife | — | Iowa |
| 75 | W. E. White | 64 | Head | Operator | Iowa |
| 76 | Ruth White | 48 | Wife | — | Iowa |
| 77 | Stewart B Worley | 48 | Head | Laborer | Penn |
| 78 | Odessa E Worley | 37 | Wife | — | Missouri |
| 79 | Cora K Worley | 19 | Daughter | Maid | Missouri |
| 80 | Charlotte M Worley | 17 | Daughter | — | Iowa |
Pedigree Summary
Richard + 2 siblings
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)