TC
Thomas Crawford — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Crawford across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Thomas & Agnes — first a head (b.~1896), then head of a 4-person household.
Age 44
b. ~1896
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Crawford |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public High School |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 2900 |
| Highest Grade | C-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1896 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Crawford | Head | — | 44 | ~1896 |
| Mary Crawford | Daughter | — | 10 | ~1930 |
| Thomas Crawford | Son | — | 12 | ~1928 |
| Marie Crawford | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Cook, Illinois
Son, age 24
Cook, Illinois · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Apprentice |
| Industry | Paper Box Making |
| 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
Son, age 34
Cook, Illinois · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Thomas J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | school-teacher |
| Industry | public school |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 44
Cook-County, Illinois · implied b. ~1896 — 4 household members
| Surname | Crawford |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Teacher |
| Industry | Public High School |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 2900 |
| Highest Grade | C-4 |
| 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 Thomas Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Crawford (~0.92 confidence) and mother Agnes Crawford (~0.92 confidence) and mother Agnes Crawford (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Crawford
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Agnes Crawford
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Agnes Crawford
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Crawford
Head · 1940 · age 44 · b. ~1896 · 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-t0627-00956-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret O'Connor | 61 | Wife | — | Illinois |
| 42 | Patrick O'Connor | 28 | Son | Machinist | Illinois |
| 43 | Catherine O'Connor | 58 | Sister in law | — | Illinois |
| 44 | Jerome Mahoney | 63 | Brother in law | Plumber | Ohio |
| 45 | Raymond Smethen | 54 | Head | Salesman | Illinois |
| 46 | Florence Smethen | 50 | Wife | — | Illinois |
| 47 | Courtney Smethen | 22 | Son | Junior Clerk | Illinois |
| 48 | Raymond Morgan | 24 | Son in law | Printer | Illinois |
| 49 | Phyllis Morgan | 20 | Daughter | File Clerk | Illinois |
| 50 | Warren Frieberger | 31 | Lodger | Bookkeeper | Illinois |
| 51 | William F Wigger | 57 | Head | Teacher | Illinois |
| 52 | Martha Wigger | 57 | Wife | — | Minnesota |
| 53 | Doris Wigger | 20 | Daughter | — | Illinois |
| 54 | Alexander Stuckey | 71 | Head | Pharmacist | Ohio |
| 55 | Mary Stuckey | 71 | Wife | — | Pennsylvania |
| 56 | Bernice Williams | 41 | Daughter | Canvassing | Illinois |
| 57 | Richard Williams | 16 | Grandson | — | Illinois |
| 58 | Edwin Williams | 13 | Grandson | — | Illinois |
| 59 | Anna Gordon | 41 | Lodger | Piano Teacher | Illinois |
| 60 | Emma Erdmann | 70 | Head | — | Illinois |
| 61 | Hannah Mccarthy | 78 | Roomer | Companion To An Aged Woman | Irish Free State |
| 62 | Charles J. Wainwright | 63 | Head | — | Illinois |
| 63 | Blanche Wainwright | 55 | Sister | — | Illinois |
| 64 | Agnes Crawford | 49 | Head | — | Illinois |
| 65 | Thomas Crawford THIS PERSON | 44 | Head | Teacher | Illinois |
| 66 | Marie Crawford | 43 | Wife | — | Illinois |
| 67 | Thomas Crawford | 12 | Son | — | Illinois |
| 68 | Mary Crawford | 10 | Daughter | — | Illinois |
| 69 | Arthur Moore | 59 | Head | Heating Engineer | Illinois |
| 70 | May Moore | 57 | Wife | — | Ohio |
| 71 | Edward Bortowski | 36 | Head | Switchman | Illinois |
| 72 | Anna Bortowski | 39 | Wife | — | Illinois |
| 73 | Elaine Bortowski | 17 | Daughter | — | Illinois |
| 74 | Lorraine Finger | 10 | Step-daughter | — | Illinois |
| 75 | William Vorwerk | 41 | Head | — | Illinois |
| 76 | Marie Vorwerk | 39 | Wife | — | Wisconsin |
| 77 | William E Vorwerk | 70 | Head | Salesman | Ohio |
| 78 | Carrie Vorwerk | 68 | Wife | — | Wisconsin |
| 79 | Margaret Becker | 73 | Head | — | Germany |
| 80 | Carl Becker | 47 | Son | Salesman | Illinois |
Pedigree Summary
Thomas
Gen 1 · 3 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)