JC
John Cowan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Atlantic-County, New Jersey
Our Model Tree links this John Cowan across the 1930 and 1940 US Censuses in Atlantic-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Atlantic-County, New Jersey |
| Surname | Cowan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Atlantic City |
| 1935 Residence (County) | Atlantic |
| Additional Details | |
| Occupation | Salesman |
| Industry | Ice Cream Co |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 298 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Atlantic City |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Sarah Cowan | Spouse | — | 49 | ~1891 |
| Dorothy Cowan | Daughter | — | 31 | ~1909 |
| John Cowan | Son | — | 22 | ~1918 |
| Elizabeth Cowan | Daughter | — | 21 | ~1919 |
| John Cowan | Head | — | 49 | ~1891 |
Census Appearances
1930
Atlantic, New …
Son, age 11
Atlantic, New Jersey · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Atlantic-County, New …
Son, age 22
Atlantic-County, New Jersey · implied b. ~1918 — 5 household members
| Surname | Cowan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Atlantic City |
| 1935 Residence (County) | Atlantic |
| Occupation | Salesman |
| Industry | Ice Cream Co |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 298 |
| Highest Grade | H 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 John Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cowan
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Dorothy Cowan
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Cowan
Sibling · 1940 · age 21
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 — Atlantic-County, New Jersey
Open full size
1940 US Federal Census — Atlantic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02301-00497)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Concetta Bucci | 79 | Mother in Law | — | Italy |
| 42 | Emedio Bucci | 45 | Brother in Law | Sailor | Italy |
| 43 | Carl Bell | 42 | Head | Truck Driver | New Jersey |
| 44 | Olga Bell | 38 | Wife | — | New Jersey |
| 45 | Ivan Bell | 14 | Son | — | New Jersey |
| 46 | Stephen Bell | 6 | Son | — | New Jersey |
| 47 | Haller Turner | 45 | Head | Foreman | New Jersey |
| 48 | Margaret Turner | 44 | Wife | — | New Jersey |
| 49 | Della E Turner | 23 | Daughter | Beauty Culture | New Jersey |
| 50 | Haller Jr Turner | 20 | Son | Bell Boy | New Jersey |
| 51 | William H Passman | 45 | Brother in Law | Salesman | New Jersey |
| 52 | Francis L Passman | 42 | Brother in Law | Houseman | New Jersey |
| 53 | Regina E Passman | 39 | Sister in Law | Bookkeeper | New Jersey |
| 54 | Annie De Groot | 53 | Head | — | England |
| 55 | Charles De Groot | 26 | Son | Construction Engineer | New Jersey |
| 56 | Israel O Fenstine | 70 | Head | — | Ohio |
| 57 | Sarah Fenstine | 65 | Wife | — | Ohio |
| 58 | John J Cowan | 49 | Head | Engineer Train | Pennsylvania |
| 59 | Sarah Cowan | 49 | Wife | — | Pennsylvania |
| 60 | Dorothy Cowan | 31 | Daughter | Supervisor | Pennsylvania |
| 61 | John J Cowan THIS PERSON | 22 | Son | Salesman | Pennsylvania |
| 62 | Elizabeth Cowan | 21 | Daughter | Operator | Pennsylvania |
| 63 | Frank Foro | 45 | Head | Electrical Worker | Italy |
| 64 | Frances Foro | 35 | Wife | — | Delaware |
| 65 | Michael Foro | 18 | Son | — | Delaware |
| 66 | Anthony Ab Ricci | 58 | Son in Law | Laborer | Italy |
| 67 | Catharine Ricci | 57 | Daughter in Law | — | Italy |
| 68 | Anthony Gelona | 44 | Head | Clerk | Italy |
| 69 | Frances Gelona | 39 | Wife | — | New York |
| 70 | Thaddeus Drobonoski | 47 | Head | Manager | Albania |
| 71 | Fannie Drobonoski | 23 | Wife | — | Albania |
| 72 | Eleanor Drobonoski | 12 | Daughter | — | New Jersey |
| 73 | Catharine Drobonoski | 10 | Daughter | — | New Jersey |
| 74 | Nicholas Drobonoski | 7 | Son | — | New Jersey |
| 75 | Jane Drobonoski | 3 | Daughter | — | New Jersey |
| 76 | Nellie O'Neil | 43 | Head | Baker | Pennsylvania |
| 77 | Annie O'Neil | 30 | Sister | Nurse | Pennsylvania |
| 78 | Sarah T O'Connor | 57 | Lodger | — | Pennsylvania |
| 79 | Katharine Hatch | 50 | Lodger | — | Pennsylvania |
| 80 | George O'Connor | 54 | Lodger | Engin Freeman | Pennsylvania |
Related Census Records
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)