JC
John Cowan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bergen-County, New Jersey
Our Model Tree links this John Cowan across the 1930 and 1940 US Censuses in Bergen-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bergen-County, New Jersey |
| Surname | Cowan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hackensack City |
| 1935 Residence (County) | Bergen |
| Additional Details | |
| Occupation | Policeman |
| Industry | City |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2500 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Policeman |
| Township / Ward | Hackensack City |
| Est. Birth Year | ~1903 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Cowan | Head | — | 37 | ~1903 |
| Dorothy Cowan | Spouse | — | 35 | ~1905 |
| John Cowan | Son | — | 5 | ~1935 |
| Grace Cowan | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Bergen, New …
Other, age 26
Bergen, New Jersey · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | John |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 23 |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Occupation | Officer |
| Industry | Police |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Bergen-County, New …
Head, age 37
Bergen-County, New Jersey · implied b. ~1903 — 4 household members
| Surname | Cowan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Hackensack City |
| 1935 Residence (County) | Bergen |
| Occupation | Policeman |
| Industry | City |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2500 |
| 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 John Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cowan
Head · 1940 · age 37 · b. ~1903 · 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 — Bergen-County, New Jersey
Open full size
1940 US Federal Census — Bergen-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02309-00430)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank V Collins | 39 | Head | Maintainer | New Jersey |
| 2 | Carrie Collins | 40 | Wife | — | New Jersey |
| 3 | Frank W Collins | 11 | Son | — | New Jersey |
| 4 | Lillian Van Riper | 60 | Mother-in-law | — | New Jersey |
| 5 | John Cowan THIS PERSON | 37 | Head | Policeman | New Jersey |
| 6 | Dorothy Cowan | 35 | Wife | — | New Jersey |
| 7 | Grace Cowan | 7 | Daughter | — | New Jersey |
| 8 | John Cowan | 5 | Son | — | New Jersey |
| 9 | John Burgess | 75 | Head | Mechanic | New York |
| 10 | Minnie Burgess | 68 | Wife | — | New York |
| 11 | Ruth Burgess | 26 | Daughter | — | New Jersey |
| 12 | John Spellman | 55 | Head | Foreman | New Jersey |
| 13 | Edna Spellman | 53 | Wife | — | New Jersey |
| 14 | Pearl Spellman | 27 | Daughter | Cashier | New Jersey |
| 15 | Wilbert Spellman | 25 | Son | Meterman | New Jersey |
| 16 | John Spellman | 19 | Son | — | New Jersey |
| 17 | John P Slavin | 50 | Head | Blacksmith | Ireland |
| 18 | Helene Slavin | 45 | Wife | — | Ireland |
| 19 | Daniel Slavin | 13 | Son | — | New Jersey |
| 20 | Margaret Slavin | 10 | Daughter | — | New Jersey |
| 21 | Frank L Perry | 63 | Head | Salesman | Ohio |
| 22 | Irene Perry | 49 | Wife | Diet Kitchen | New York |
| 23 | Fred Bushing | 67 | Head | Orderly | Germany |
| 24 | Frances Bushing | 55 | Wife | — | Germany |
| 25 | Thos. Chepsitos | 59 | Head | Fisher | Lithuania |
| 26 | Annita Chepsitos | 53 | Wife | — | Austria |
| 27 | Mary Schultz | 58 | Head | — | Germany |
| 28 | G. Walter Kringley | 43 | Head | Electrical | New Jersey |
| 29 | Charlotte Kringley | 39 | Wife | — | New Jersey |
| 30 | Walter Kringley | 16 | Son | — | New Jersey |
| 31 | Joseph Kringley | 14 | Son | — | New Jersey |
| 32 | Robert Kringley | 11 | Son | — | New Jersey |
| 33 | Charlotte Kringley | 10 | Daughter | — | New Jersey |
| 34 | Emily Whitley | 64 | Head | Nurse Aid | New Jersey |
| 35 | Margaret Walters | 53 | Head | Cook-Refectory | New Jersey |
| 36 | Joseph Kindergan | 63 | Head | Bricklayer | New York |
| 37 | Mary Kindergan | 55 | Wife | — | New Jersey |
| 38 | Joseph Kindergan | 19 | Son | Messenger | New Jersey |
| 39 | Albert Henry | 30 | Lodger | Upholsterer | New Jersey |
| 40 | Helen Kindergan | 25 | Daughter | Operator | 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)