RM
Raymond Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Raymond Martin across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Augusta & David — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Martin |
| Given Name | Raymond |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | census clerk |
| Industry | U.S. survey |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 650 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Census Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Raymond | Age | Birth yr |
|---|---|---|---|---|
| Marie Martin | Spouse | — | 24 | ~1916 |
| Nancy Martin | Daughter | — | ~1940 | |
| Raymond Martin | Head | — | 25 | ~1915 |
| Robert Martin | Son | — | 5 | ~1935 |
Census Appearances
1920
Cook, Illinois
Son, age 4
Cook, Illinois · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Head, age 25
Cook-County, Illinois · implied b. ~1915 — 4 household members
| Surname | Martin |
| Given Name | Raymond |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Occupation | census clerk |
| Industry | U.S. survey |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 650 |
| 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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Augusta Martin (~0.92 confidence) and father David Martin (~0.92 confidence) and father George Martin (~0.92 confidence) and mother Adeline Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Augusta Martin
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
David Martin
b. ~1886
Source father
● Household
· direct · ~0.92
Father
George Martin
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Adeline Martin
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Raymond Martin
Head · 1940 · age 25 · b. ~1915 · 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-t0627-00960-00136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace Lorenzen | 11 | daughter | — | Illinois |
| 2 | Walma Lorenzen | 7 | daughter | — | Illinois |
| 3 | Walter Lorenzen | 5 | son | — | Illinois |
| 4 | Luvatine Lorenzen | 3 | son | — | Illinois |
| 5 | Ted Chapman | 58 | head | Foreman | Iowa |
| 6 | Leila @ Chapman | 55 | wife | — | Kansas |
| 7 | Ted Jr. Chapman | 24 | son | Complaint Man | Illinois |
| 8 | Dorothy Chapman | 23 | daughter | New Worker | Illinois |
| 9 | Roberta Chapman | 19 | daughter | Receptionist | Illinois |
| 10 | June Chapman | 17 | daughter | New Worker | Illinois |
| 11 | Gerard Ridderhoff | 44 | head | Milk Salesman | Holland |
| 12 | Annie @ Ridderhoff | 47 | wife | — | Illinois |
| 13 | Janet Ridderhoff | 22 | daughter | General Office Work | Illinois |
| 14 | Gerald Ridderhoff | 17 | son | New Worker | Illinois |
| 15 | Feike Boonstra | 42 | head | Printer | Holland |
| 16 | Minnie @ Boonstra | 40 | wife | — | Holland |
| 17 | Harry Boonstra | 19 | son | New Worker | Illinois |
| 18 | Peter Boonstra | 17 | son | — | Illinois |
| 19 | Frank Boonstra | 14 | son | — | Illinois |
| 20 | Audrey Boonstra | 9 | daughter | — | Illinois |
| 21 | Lagnia Boonstra | 0 | daughter | — | Illinois |
| 22 | Walter Ergleben | 25 | head | Janitor | Illinois |
| 23 | Genevieve Ergleben | 25 | wife | — | Illinois |
| 24 | Walter Ergleben | 0 | son | — | Illinois |
| 25 | Raymond Martin THIS PERSON | 25 | head | Census Clerk | Illinois |
| 26 | Marie @ Martin | 24 | wife | — | Illinois |
| 27 | Robert Martin | 5 | son | — | Illinois |
| 28 | Nancy Martin | 0 | daughter | — | Illinois |
| 29 | Alex Macdonald | 60 | head | — | Scotland |
| 30 | Catherine Macdonald | 32 | daughter | Bookkeeper | Illinois |
| 31 | Robert Macdonald | 21 | son | New Worker | Illinois |
| 32 | William Eleen | 68 | head | Carpenter | Illinois |
| 33 | Kate @ Eleen | 67 | wife | — | Germany |
| 34 | Helen Wackholz | 33 | daughter | — | Illinois |
| 35 | Donald Wackholz | 5 | grandson | — | Illinois |
| 36 | Frederick F. Fisher | 52 | head | Mechanical Engineer | Illinois |
| 37 | Grace C. @ Fisher | 47 | wife | Teacher | Illinois |
| 38 | August Borchardt | 50 | head | Salesman | Illinois |
| 39 | Ruby Borchardt | 50 | wife | — | Kansas |
| 40 | Lillian Borchardt | 22 | daughter | Typist | Illinois |
Pedigree Summary
Raymond
Gen 1 · 4 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)