RN
Richard Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Richard Nelson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Victor — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Mill Wright |
| Industry | Steel Mills |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1272 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Mill Wright |
| Township / Ward | Chicago |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Irene Nelson | Daughter | — | 20 | ~1920 |
| Mildred Nelson | Daughter | — | 24 | ~1916 |
| Fred Nelson | Head | — | 50 | ~1890 |
| Richard Nelson | Son | — | 26 | ~1914 |
| Rosa Nelson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Cook, Illinois
Son, age 6
Cook, Illinois · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 16
Cook, Illinois · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 26
Cook-County, Illinois · implied b. ~1914 — 5 household members
| Surname | Nelson |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Occupation | Mill Wright |
| Industry | Steel Mills |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1272 |
| 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 Richard Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Nelson (~0.92 confidence) and father Victor Nelson (~0.92 confidence) and father Fred Nelson (~0.92 confidence) and mother Ida Nelson (~0.92 confidence) and mother Rosa Nelson (~0.92 confidence) and mother Rosa Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Nelson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Victor Nelson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Fred Nelson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Ida Nelson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Rosa Nelson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Rosa Nelson
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Nelson
Son · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Mildred Nelson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Nelson
Sibling · 1940 · age 20
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-00921-00659)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lena Castogiovanni | 50 | Wife | — | Italy |
| 42 | Philip Castogiovanni | 23 | Son | Common Laborer | Italy |
| 43 | Sam Castogiovanni | 18 | Son | New Worker | Italy |
| 44 | Mary Castogiovanni | 16 | Daughter | — | Italy |
| 45 | Lena Maestro | 38 | Head | — | Illinois |
| 46 | Carlo Maestro | 17 | Son | Common Laborer | Illinois |
| 47 | Bessie Maestro | 15 | Daughter | — | Illinois |
| 48 | Agnes Maestro | 12 | Daughter | — | Illinois |
| 49 | Ann Jnet Maestro | 10 | Daughter | — | Illinois |
| 50 | Mary Howard | 79 | Head | — | Michigan |
| 51 | George Larson | 49 | Head | Box Packer | Illinois |
| 52 | Mary Larson | 50 | Wife | — | Illinois |
| 53 | Clarence Granat | 40 | Head | Common Laborer | Illinois |
| 54 | Edna Granat | 35 | Wife | — | Illinois |
| 55 | June Granat | 16 | Daughter | — | Illinois |
| 56 | Clarence Granat | 15 | Son | — | Illinois |
| 57 | Elaine Granat | 14 | Daughter | — | Illinois |
| 58 | Leonard Granat | 12 | Son | — | Illinois |
| 59 | Barbara Granat | 9 | Daughter | — | Illinois |
| 60 | Norman Reskey | 24 | Head | Strip Per | Illinois |
| 61 | Ruth Reskey | 19 | Wife | — | West Virginia |
| 62 | Judith A Reskey | 0 | Daughter | — | Illinois |
| 63 | Marie Schultz | 75 | Head | — | Germany |
| 64 | Fred Nelson | 50 | Head | Mill Wright | Illinois |
| 65 | Rosa Nelson | 46 | Wife | — | Illinois |
| 66 | Richard Nelson THIS PERSON | 26 | Son | Mill Wright | Illinois |
| 67 | Mildred Nelson | 24 | Daughter | Cleaner | Illinois |
| 68 | Irene Nelson | 20 | Daughter | New Worker | Illinois |
| 69 | Thomas E Smith | 52 | Head | Common Laborer | Illinois |
| 70 | Martha R Smith | 47 | Wife | — | Illinois |
| 71 | Robert Byrne | 27 | Step-Son | Common Laborer | Illinois |
| 72 | Head Yackshwick | None | M | Shade Manufacturer | — |
| 73 | Annie Yackshwick | 50 | Wife | — | New York |
| 74 | Nick Yackshwick | 15 | Son | — | Illinois |
| 75 | Anna Yackshwick | 13 | Daughter | — | Illinois |
| 76 | Rose Yackshwick | 9 | Daughter | — | Illinois |
Pedigree Summary
Richard + 2 siblings
Gen 1 · 6 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)