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Thomas Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Thomas Cook across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Caroline — first a son (b.~1906), then head of a 5-person household.
Age 34
b. ~1906
Male
Son
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Cook |
| Given Name | Thomas G. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Aspinwall |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | salesman |
| Industry | newspaper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2700 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Aspinwall |
| Est. Birth Year | ~1906 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Cook | Daughter | — | 36 | ~1904 |
| Thomas Cook | Head | — | 65 | ~1875 |
| Thomas Cook | Other | — | 12 | ~1928 |
| Helen Cook | Other | — | 32 | ~1908 |
| Thomas Cook | Son | — | 34 | ~1906 |
Census Appearances
1910
Allegheny, Pennsylvania
Other, age 3
Allegheny, Pennsylvania · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Thomas |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Thomas D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 24
Allegheny, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Thomas A Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Sales manager |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 34
Allegheny-County, Pennsylvania · implied b. ~1906 — 5 household members
| Surname | Cook |
| Given Name | Thomas G. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Aspinwall |
| 1935 Residence (County) | Allegheny |
| Occupation | salesman |
| Industry | newspaper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2700 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Cook across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Cook (~0.92 confidence) and mother Caroline Cook (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Cook
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Caroline Cook
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Cook
Son · 1940 · age 34 · b. ~1906 · Pennsylvania
★ You are viewing this record
Sibling
Mary Cook
Sibling · 1940 · age 36
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03397-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Alvried | 27 | Head | Chemist | Pennsylvania |
| 42 | Helen Alvried | 24 | Wife | — | Pennsylvania |
| 43 | Paul Alvried | 6 | Son | — | Pennsylvania |
| 44 | Jesse Knight | 42 | Head | Dry Cleaning | Pennsylvania |
| 45 | Lucy Knight | 41 | Wife | — | Pennsylvania |
| 46 | Jesse Knight | 16 | Son | — | Pennsylvania |
| 47 | Mary Knight | 13 | Daughter | — | Pennsylvania |
| 48 | Lester Boucher | 25 | Head | Salesman | Pennsylvania |
| 49 | Elizabeth Boucher | 22 | Wife | — | Ohio |
| 50 | Misinformation Boucher | None | — | — | — |
| 51 | Boucher | None | — | — | — |
| 52 | James P. Maloney | 36 | Head | Field Engineer | Pennsylvania |
| 53 | Catherine Maloney | 34 | Wife | — | England |
| 54 | Patricia Maloney | 10 | Daughter | — | Pennsylvania |
| 55 | James Maloney | 8 | Son | — | Pennsylvania |
| 56 | Thomas Maloney | 2 | Son | — | Pennsylvania |
| 57 | Harry J. Lucas | 43 | Head | Truck Driver | Pennsylvania |
| 58 | Vella Lucas | 43 | Wife | — | Pennsylvania |
| 59 | George Lucas | 13 | Daughter | — | Pennsylvania |
| 60 | Betty Lee Lucas | 9 | Daughter | — | Pennsylvania |
| 61 | Bertha C. Mcfee | 71 | Head | — | Pennsylvania |
| 62 | Frederick C. Mcfee | 49 | Son | President | Pennsylvania |
| 63 | Herbert W. Mcfee | 44 | Son | — | Pennsylvania |
| 64 | Mary S. Mcfee | 46 | Daughter | — | Pennsylvania |
| 65 | Richard Mcfee | 15 | Grandson | — | Pennsylvania |
| 66 | Wallace Mcfee | 41 | Head | Bank Teller | Pennsylvania |
| 67 | Margaret Mcfee | 27 | Wife | — | Scotland |
| 68 | Vacant Due To Misinformation Mcfee | None | — | — | — |
| 69 | Thomas G. Cook | 65 | Head | Molder | Pennsylvania |
| 70 | Mary Ethel Cook | 36 | Daughter | Teacher | Pennsylvania |
| 71 | Thomas G. Jr. Cook THIS PERSON | 34 | Son | Salesman | Pennsylvania |
| 72 | Helen Cook | 32 | Daughter-in-law | — | Pennsylvania |
| 73 | Thomas G. Iii Cook | 12 | Grandson | — | Pennsylvania |
| 74 | Michel M. Mcdaydas | 43 | Head | Salesman | Austria |
| 75 | Eugenia Mcdaydas | 40 | Wife | — | Pennsylvania |
| 76 | Michel M. Mcdaydas | 13 | Son | — | Pennsylvania |
| 77 | Jeanne Mcdaydas | 9 | Daughter | — | Pennsylvania |
| 78 | Kathleen Futton | 18 | Boarder | — | Canada |
| 79 | J. L. Mcbrown | 60 | Head | Foreman | Delaware |
| 80 | Verne Mcbrown | 53 | Wife | — | Pennsylvania |
Related Census Records
Pedigree Summary
Thomas + 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)