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Frank Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Frank Cook across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | COOK |
| Given Name | FRANK |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Store |
| Class of Worker | E |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Salesman |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1886 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Cook | Head | — | 54 | ~1886 |
| Allen Cook | Son | — | 32 | ~1908 |
| Margaret Cook | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Mercer, New …
Head, age 34
Mercer, New Jersey · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Frank R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Driver |
| Industry | Candy Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Head, age 44
Mercer, New Jersey · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 20 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Produce |
| Industry | Own Account |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 54
Mercer-County, New Jersey · implied b. ~1886 — 3 household members
| Surname | COOK |
| Given Name | FRANK |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Salesman |
| Industry | Retail Store |
| Class of Worker | E |
| Income (1939) | 1500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Frank Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Frank Cook
Head · 1940 · age 54 · b. ~1886 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02356-00476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha Totten | 40 | daughter | Rubber Mill | New Jersey |
| 42 | John W Mathis | 47 | Head | Salesman | New Jersey |
| 43 | Mabel Mathis | 47 | wife | — | Pennsylvania |
| 44 | Russell Mathis | 25 | son | Truck Driver | New Jersey |
| 45 | Cosmo Marrol | 44 | Head | Laborer | ITALY |
| 46 | Grace Marrol | 44 | wife | — | ITALY |
| 47 | Niclos Marrol | 16 | son | — | New Jersey |
| 48 | Toney Marrol | 15 | son | — | New Jersey |
| 49 | Jennie Marrol | 14 | daughter | — | New Jersey |
| 50 | Bernie Marrol | 13 | son | — | New Jersey |
| 51 | Joel Marrol | 11 | daughter | — | New Jersey |
| 52 | Clarence Doolittle | 42 | Head | Rug Buyer | Connecticut |
| 53 | Louisa Doolittle | 46 | wife | — | New Jersey |
| 54 | Douglas Doolittle | 20 | son | Clerk | New Jersey |
| 55 | Elton Doolittle | 17 | son | — | New Jersey |
| 56 | Richard Doolittle | 16 | son | — | New Jersey |
| 57 | Alfred Doolittle | 14 | son | — | New Jersey |
| 58 | Robert Doolittle | 11 | son | — | New Jersey |
| 59 | James Doolittle | 9 | son | — | New Jersey |
| 60 | Raymond Doolittle | 4 | son | — | New Jersey |
| 61 | John Clark Stayker | 42 | Head | Post Office Clerk | New Jersey |
| 62 | Lenora Stayker | 47 | wife | — | Pennsylvania |
| 63 | William Stayker | 13 | son | — | New Jersey |
| 64 | Charles Hawthorn | 41 | Head | Kiln Builder | New Jersey |
| 65 | Florence Hawthorn | 37 | wife | — | New Jersey |
| 66 | Bruce Hawthorn | 8 | son | — | New Jersey |
| 67 | Harry Bartlett | 26 | Head | Clerk | New Jersey |
| 68 | Alice Bartlett | 25 | wife | Substitute Teacher | New Jersey |
| 69 | Frank Cook THIS PERSON | 54 | Head | Salesman | New Jersey |
| 70 | Margaret Cook | 54 | wife | — | New Jersey |
| 71 | Allen Cook | 32 | son | Instructor | New Jersey |
| 72 | Emma Stadler | 56 | Head | — | Germany |
| 73 | Herman Stadler | 24 | son | Baker | Pennsylvania |
| 74 | David Stadler | 23 | son | Clerk | Pennsylvania |
| 75 | Marie Stadler | 20 | daughter | — | Pennsylvania |
| 76 | William Tyson | 58 | Head | Mail Clerk | New Jersey |
| 77 | Martha Tyson | 58 | wife | — | New Jersey |
| 78 | Mercer Hough | 49 | Head | Engineer | New Jersey |
| 79 | Ellen Hough | 53 | wife | — | New Jersey |
| 80 | Robert Sperring | 36 | Head | Powder Burner | England |
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)