WC
Walter Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Walter Cook across the 1910, 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Cook |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Paper Hanger |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 342 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Paper Hanger |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1888 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Catherine Cook | Spouse | — | 52 | ~1888 |
| Christopher Cook | Son | — | 23 | ~1917 |
| Walter Cook | Head | — | 52 | ~1888 |
| Ruth Cook | Daughter | — | 34 | ~1906 |
| Mary Cook | Daughter | — | 18 | ~1922 |
Census Appearances
1910
Mercer, New …
Head, age 22
Mercer, New Jersey · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 5 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Sanitary |
| Industry | Potter |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Mercer, New …
Head, age 32
Mercer, New Jersey · implied b. ~1888 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Kiln placer |
| Industry | Pottery |
| 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 42
Mercer, New Jersey · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooke |
| Given Name | Walter C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 18 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | paperhanger |
| Industry | homes |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 52
Mercer-County, New Jersey · implied b. ~1888 — 5 household members
| Surname | Cook |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Paper Hanger |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 342 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| 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 Walter Cook across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Walter Cook
Head · 1940 · age 52 · b. ~1888 · New Jersey
★ 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 — 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-t0627-02436-00752)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Glenn Simonson | 24 | Son-in-law | Helper | Pennsylvania |
| 2 | Glenda Simonson | 25 | Daughter | — | New Jersey |
| 3 | Gerald Simonson | 0 | Grandson | — | New Jersey |
| 4 | Elizabeth Supper | 59 | Mother | Operator | Pennsylvania |
| 5 | William Reilly | 69 | Head | Supervisor | New Jersey |
| 6 | Teresa Reilly | 64 | Wife | — | New Jersey |
| 7 | George Barimayer | 47 | Head | Bus Driver | New Jersey |
| 8 | Helen Barimayer | 43 | Wife | — | New Jersey |
| 9 | John Semphis | 8 | Ward | — | New Jersey |
| 10 | Frank Harder | 57 | Head | Laborer | Germany |
| 11 | Anna Harder | 57 | Wife | — | New Jersey |
| 12 | Walter Salt | 61 | Head | Watchman | New Jersey |
| 13 | Anna Salt | 34 | Daughter | Assembler | New Jersey |
| 14 | Frederick Salt | 22 | Son | Apprentice | New Jersey |
| 15 | Myra Salt | 18 | Daughter | Typist | New Jersey |
| 16 | Daniel Salt | 15 | Son | — | New Jersey |
| 17 | Clarence Nutt | 45 | Lodger | Laborer | New Jersey |
| 18 | Joseph Mullan | 51 | Head | Waiter | Pennsylvania |
| 19 | Ida Mullan | 48 | Wife | Nurse | New Jersey |
| 20 | Mary Mullan | 20 | Daughter | — | New Jersey |
| 21 | Ida Berell | 8 | Niece | — | New Jersey |
| 22 | Frank Morris | 23 | Lodger | Laborer | New Jersey |
| 23 | Lena Muha | 61 | Head | — | New Jersey |
| 24 | Ruth Muha | 30 | Daughter | Trained Nurse | New Jersey |
| 25 | Jacob Pflederer | 55 | Head | Watch Maker | Pennsylvania |
| 26 | Maud Pflederer | 56 | Wife | — | Pennsylvania |
| 27 | Harold Pflederer | 23 | Son | Clerk | New Jersey |
| 28 | Daniel Pflederer | 21 | Son | Machinist | New Jersey |
| 29 | Hazel Pflederer | 20 | Daughter | Typist | New Jersey |
| 30 | Rhonalda Pflederer | 14 | Daughter | — | New Jersey |
| 31 | Walter Cook THIS PERSON | 52 | Head | Paper Hanger | New Jersey |
| 32 | Catherine Cook | 52 | Wife | — | New Jersey |
| 33 | Ruth Cook | 34 | Daughter | Manager | New Jersey |
| 34 | Christopher Cook | 23 | Son | Draftsman | New Jersey |
| 35 | Mary Cook | 18 | Daughter | — | New Jersey |
| 36 | Clida Van Dorn | 24 | Head | — | New Jersey |
| 37 | George Lanninger | 45 | Son | Laborer | New Jersey |
| 38 | Agnes Farber | 64 | Head | — | New York |
| 39 | Emma Dunlap | 65 | Lodger | — | Pennsylvania |
| 40 | William Steinen | 52 | Head | Truck Driver | New Jersey |
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)