RP
Raymond Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Raymond Peterson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Emma & Loretta — first a son (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Peterson |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Furniture |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 960 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Raymond | Age | Birth yr |
|---|---|---|---|---|
| Violet Peterson | Daughter | — | 25 | ~1915 |
| Loretta Peterson | Head | — | 50 | ~1890 |
| Raymond Peterson | Son | — | 28 | ~1912 |
Census Appearances
1920
Cook, Illinois
Son, age 6
Cook, Illinois · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Raymond |
| 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 17
Cook, Illinois · implied b. ~1913
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Peterson |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 28
Cook-County, Illinois · implied b. ~1912 — 3 household members
| Surname | Peterson |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Salesman |
| Industry | Retail Furniture |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 960 |
| Highest Grade | H 2 |
| 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 Raymond Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Peterson (~0.92 confidence) and mother Loretta Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Peterson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Loretta Peterson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Raymond Peterson
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Violet Peterson
Sibling · 1940 · age 25
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
38 people indexed on this census page (nara:1940:m-t0627-01012-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Alfred Elie | 44 | Head | Street Car-Conductor | Michigan |
| 3 | Carrie Elie | 42 | Wife | — | Wisconsin |
| 4 | Raymond Elie | 18 | Son | — | Illinois |
| 5 | Loretta Peterson | 50 | Head | — | Illinois |
| 6 | Raymond Peterson THIS PERSON | 28 | Son | Salesman | Illinois |
| 7 | Violet Peterson | 25 | Daughter | Driver | Illinois |
| 8 | John Thomas | 60 | Head | Candy Dipper | Rumania |
| 9 | Magdaline Thomas | 61 | Wife | Repairman | Yugoslavia |
| 10 | John Thomas | 19 | Son | — | Illinois |
| 11 | Ludwig Thomas | 15 | Son | Packer | North Dakota |
| 12 | Bernard Wendt | 31 | Head | — | Illinois |
| 13 | Dorthy Wendt | 26 | Wife | Bricklayer | Illinois |
| 14 | Frank Schenkl | 44 | Head | Sign Painter | Germany |
| 15 | Marie Schenkl | 46 | Wife | — | Illinois |
| 16 | William Schenkl | 18 | Son | Prentice Tool Maker | Illinois |
| 17 | Michael Kalowski | 30 | Lodger | Core Staker | New Jersey |
| 19 | Fred Rauber | 48 | Head | Carpenter | Illinois |
| 20 | Louise Rauber | 44 | Wife | — | Illinois |
| 21 | Warren Rauber | 19 | Son | Salesman | Illinois |
| 22 | Reginald Palmer | 36 | Head | Private Chauffeur | Alabama |
| 23 | Elizabeth Palmer | 32 | Wife | — | Illinois |
| 24 | Regine Palmer | 7 | Daughter | — | Illinois |
| 25 | Dorthey Palmer | 6 | Daughter | — | Illinois |
| 26 | Victoria Mcfarlane | 61 | Head | — | Michigan |
| 27 | John Mcfarlane | 21 | Son | Stock Clerk | Michigan |
| 28 | Robert Knieling | 28 | In-law | Chauffeur | Illinois |
| 29 | Betty Knieling | 34 | Daughter | Assembler | Michigan |
| 30 | Marion Gillette | 36 | Daughter | Attendant | Michigan |
| 31 | Donald Gillette | 10 | Grandson | — | Illinois |
| 32 | Lois Gillette | 8 | Granddaughter | — | Illinois |
| 33 | Nina Lafontaine | 19 | Granddaughter | Waitress | Michigan |
| 34 | Melville Lafontaine | 18 | Grandson | Messenger | Illinois |
| 35 | Lorraine Lafontaine | 16 | Granddaughter | — | Michigan |
| 36 | Gloria Lafontaine | 14 | Granddaughter | — | Illinois |
| 37 | Henry Marcotte | 59 | Brother | Truck Driver | Michigan |
| 38 | Annie Krebsbach | 32 | Head | Clerk | Illinois |
| 39 | Frank Koch | 67 | Head | — | Germany |
| 40 | August Koch | 34 | Son | Assembler | Illinois |
Pedigree Summary
Raymond + 1 sibling
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)