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George Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this George Martin across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Elizabeth — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Iron Worker |
| Industry | Buildings |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Iron Worker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1898 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| Betty Martin | Daughter | — | 13 | ~1927 |
| Katherine Martin | Daughter | — | 17 | ~1923 |
| George Martin | Head | — | 42 | ~1898 |
| Katherine Martin | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Printer |
| Industry | Lumber Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 32
Cook, Illinois · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 31 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Commercial Salesman |
| Industry | Health Security |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 57.00 |
| Veteran | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 42
Cook-County, Illinois · implied b. ~1898 — 4 household members
| Surname | Martin |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Occupation | Iron Worker |
| Industry | Buildings |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 George Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and mother Elizabeth Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Martin
Head · 1940 · age 42 · b. ~1898 · 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-t0627-01002-00495)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marie Bidwell | 41 | Wife | Attendant | Illinois |
| 42 | Clifford Bidwell | 19 | Son | Driver | Iowa |
| 43 | Betty Bidwell | 15 | Daughter | Stenographer | Iowa |
| 44 | Clarence Bidwell | 12 | Son | — | Illinois |
| 45 | Julius Morlock | 26 | Son-in-law | Driver | Illinois |
| 46 | Marie Morlock | 21 | Daughter | Factory Hand | Iowa |
| 47 | Carl Reiffel | 48 | Head | Maintenance | Russia |
| 48 | Sophie Reiffel | 40 | Wife | Principal | Illinois |
| 49 | Leonard Reiffel | 12 | Son | — | Illinois |
| 50 | Anna Reiffel | 79 | Mother | — | Russia |
| 51 | Paul S. Pultorak | 47 | Head | Trimmer | Switzerland |
| 52 | Frances Pultorak | 42 | Wife | — | Aust-Free State |
| 53 | John Pultorak | 18 | Son | Office Boy | Illinois |
| 54 | Harold Pultorak | 14 | Son | — | Illinois |
| 55 | Thomas Pultorak | 12 | Son | — | Illinois |
| 56 | Martin Brandt | 75 | Head | — | Denmark |
| 57 | Chester Brandt | 48 | Son | Shipping Clerk | Illinois |
| 58 | Anna Brandt | 38 | Daughter | Stenographer | Illinois |
| 59 | Emil Neubaum | 60 | Head | Tailor | Germany |
| 60 | Jennie D. Neubaum | 57 | Wife | — | Illinois |
| 61 | William Neubaum | 24 | Nephew | File Clerk | Illinois |
| 62 | Joseph Buhoff | 91 | Father-in-law | — | Germany |
| 63 | Augusta Buhoff | 85 | Mother-in-law | — | Germany |
| 64 | Edward Ehrlich | 51 | Head | Machinist | Austria |
| 65 | Anna Ehrlich | 44 | Wife | — | Illinois |
| 66 | Emmerich J. Ehrlich | 23 | Son | — | Illinois |
| 67 | Delores Ehrlich | 12 | Daughter | — | Illinois |
| 68 | George Martin THIS PERSON | 42 | Head | Iron Worker | Illinois |
| 69 | Katherine Martin | 40 | Wife | — | Illinois |
| 70 | Katherine Martin | 17 | Daughter | Clerk | Illinois |
| 71 | Betty Mae Martin | 13 | Daughter | — | Illinois |
| 72 | Odor S. Flood | 53 | Head | Riveter | Illinois |
| 73 | Theresa Flood | 50 | Wife | Operator | Austria |
| 74 | Drew Flood | 12 | Son | — | Illinois |
| 75 | Joyce Flood | 9 | Daughter | — | Illinois |
| 76 | Roger Flood | 5 | Son | — | Illinois |
| 77 | Nellie Flood | 78 | Head | — | Sweden |
| 78 | Stanis Lukaszewski | 53 | Head | Chauffeur | Poland |
| 79 | Helen Lukaszewski | 50 | Wife | — | Poland |
| 80 | Irene Lukaszewski | 23 | Daughter | Stenographer | Illinois |
Pedigree Summary
George
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)