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Joseph Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Joseph Cook across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Kate & Olatz — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Cook |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Painter Helper |
| Industry | Paint Shop |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 988 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Painter Helper |
| Township / Ward | Philadelphia |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| William Cook | Head | — | 41 | ~1899 |
| Michael Hylinski | Other | — | 65 | ~1875 |
| Joseph Cook | Son | — | 25 | ~1915 |
| Raymond Cook | Son | — | 8 | ~1932 |
| Catherine Cook | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 16
Philadelphia, Pennsylvania · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Joseph S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 25
Philadelphia-County, Pennsylvania · implied b. ~1915 — 5 household members
| Surname | Cook |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Painter Helper |
| Industry | Paint Shop |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 988 |
| Highest Grade | S 8 |
| 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 Joseph Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Kate Book (~0.92 confidence) and father Olatz Cook (~0.92 confidence) and father John Book (~0.92 confidence) and father William Cook (~0.92 confidence) and mother Catherine Cook (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Kate Book
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Olatz Cook
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Book
b. ~1880
Source father
● Household
· direct · ~0.92
Father
William Cook
b. ~1899
Source father
● Household
· direct · ~0.92
Mother
Catherine Cook
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Cook
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Raymond Cook
Sibling · 1940 · age 8
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03709-01043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wafena|Wafina Wojciechowski | 56 | Wife | — | Poland |
| 42 | Edward Wojciechowski | 23 | Son | — | Pennsylvania |
| 43 | Walter Wojciechowski | 21 | Son | Driver | Pennsylvania |
| 44 | Joseph Wojciechowski | 18 | Son | — | Pennsylvania |
| 45 | Stanley Zalewski | 52 | Head | — | Poland |
| 46 | Sophie Zalewski | 50 | Wife | — | Poland |
| 47 | Stanley Jr. Zalewski | 25 | Son | New Worker | Pennsylvania |
| 48 | Sophie Zalewski | 23 | Daughter | — | Pennsylvania |
| 49 | Catherine Zalewski | 20 | Daughter | — | Pennsylvania |
| 50 | Alfonso Pate | 50 | Head | Salesman | Pennsylvania |
| 51 | Frances Q. Pate | 45 | Wife | — | Poland |
| 52 | Anne Pate | 20 | Daughter | Knitter | Pennsylvania |
| 53 | Margaret Pate | 17 | Daughter | Salesgirl | Pennsylvania |
| 54 | Dorothy Pate | 15 | Daughter | — | Pennsylvania |
| 55 | Alphonse Pate | 14 | Son | — | Pennsylvania |
| 56 | Marie Pate | 13 | Daughter | — | Pennsylvania |
| 57 | Lawrence Pate | 4 | Son | — | Pennsylvania |
| 58 | Joseph Pate | 1 | Son | — | Pennsylvania |
| 59 | Joseph Ratti | 21 | Head | — | Pennsylvania |
| 60 | Stella Ratti | 18 | Sister | — | Pennsylvania |
| 61 | Jenny Ratti | 12 | Sister | — | Pennsylvania |
| 62 | William J. Cook | 41 | Head | Painter | Ireland |
| 63 | Catherine Cook | 39 | Wife | — | Pennsylvania |
| 64 | Joseph Cook THIS PERSON | 25 | Son | Painter Helper | Pennsylvania |
| 65 | Raymond Cook | 8 | Son | — | Pennsylvania |
| 66 | Michael Hylinski | 65 | Boarder | Painter | Poland |
| 67 | William Sutonko | 50 | Head | Weaver | Lithuania |
| 68 | Becka Sutonko | 50 | Wife | Weaver | Poland |
| 69 | Joseph Rozinski | 30 | Head | Helper | Pennsylvania |
| 70 | Josephine Rozinski | 27 | Wife | — | Pennsylvania |
| 71 | Raymond Rozinski | 10 | Son | — | Pennsylvania |
| 72 | Richard Rozinski | 8 | Son | — | Pennsylvania |
| 73 | Joseph Rozinski | 5 | Son | — | Pennsylvania |
| 74 | William Rozinski | 3 | Son | — | Pennsylvania |
| 75 | Angelo Daley | 21 | Head | Laborer | Pennsylvania |
| 76 | Nellie Daley | 23 | Wife | — | Pennsylvania |
| 77 | Dolores Daley | 2 | Daughter | — | Pennsylvania |
| 78 | Thomas Daley | 0 | Son | — | Pennsylvania |
| 79 | The End | None | Block 9 | — | — |
| 80 | John Krzytos | 57 | Head | Handler | Poland |
Pedigree Summary
Joseph + 1 sibling
Gen 1 · 5 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)