JC
James Cowan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cambria-County, Pennsylvania
Our Model Tree links this James Cowan across the 1930 and 1940 US Censuses in Cambria-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 5-person household.
Age 17
b. ~1923
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cambria-County, Pennsylvania |
| Surname | Cowan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Brownstown Borough |
| 1935 Residence (County) | Cambria |
| Additional Details | |
| Occupation | Student |
| Industry | Public School |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Student |
| Township / Ward | Brownstown Borough |
| Est. Birth Year | ~1923 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Cowan | Son | — | 17 | ~1923 |
| George Cowan | Head | — | 50 | ~1890 |
| Helen Cowan | Spouse | — | 51 | ~1889 |
| Helen Cowan | Daughter | — | 16 | ~1924 |
| Georgiana Cowan | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Cambria, Pennsylvania
Son, age 7
Cambria, Pennsylvania · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | James P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | North Ireland |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Son, age 17
Cambria-County, Pennsylvania · implied b. ~1923 — 5 household members
| Surname | Cowan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Brownstown Borough |
| 1935 Residence (County) | Cambria |
| Occupation | Student |
| Industry | Public School |
| Highest Grade | Hs 3 |
| 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 James Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Cowan
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
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Sibling
Helen Cowan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgiana Cowan
Sibling · 1940 · age 15
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 — Cambria-County, Pennsylvania
Open full size
1940 US Federal Census — Cambria-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03451-00530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo Cowan | 47 | Brother | Invalid | Pennsylvania |
| 2 | Louis P. Kovach | 42 | Head | Machine Hand | Pennsylvania |
| 3 | Edieth Kovach | 34 | Wife | Housewife | Pennsylvania |
| 4 | Robert L. Kovach | 13 | Son | Student | Pennsylvania |
| 5 | Lois Jean Kovach | 8 | Daughter | Student | Pennsylvania |
| 6 | William J. Cowan | 55 | Head | Laborer | Pennsylvania |
| 7 | Minnie Cowan | 54 | Wife | Housewife | Pennsylvania |
| 8 | Edward R. Cowan | 21 | Son | Laborer | Pennsylvania |
| 9 | Bernard Cowan | 18 | Son | Laborer | Pennsylvania |
| 10 | Mi Kel Cowan | 16 | Son | Unemployed | Pennsylvania |
| 11 | Thomas Cowan | 15 | Son | Student | Pennsylvania |
| 12 | Elizabeth Kokoli | 52 | Head | Housewife | Hungary |
| 13 | Mikel Kokoli | 33 | Son | Laborer | Pennsylvania |
| 14 | Elizabeth Kokoli | 31 | Daughter | Housewife | Pennsylvania |
| 15 | Stephen Kokoli | 28 | Son | Laborer | Pennsylvania |
| 16 | Andrew Kokoli | 16 | Son | Laborer | Pennsylvania |
| 17 | Mikel Kuchman | 53 | Head | Laborer | Hungary |
| 18 | Mary Kuchman | 42 | Wife | Housewife | Pennsylvania |
| 19 | Mikel Jr. Kuchman | 24 | Son | Laborer | Pennsylvania |
| 20 | Charles Herold | 72 | Head | Laborer | Pennsylvania |
| 21 | Kathryn Herold | 73 | Wife | Housewife | Pennsylvania |
| 22 | Francis Herold | 31 | Son | Crainman | Pennsylvania |
| 23 | Peter Nagy | 58 | Head | Carpenter | Hungary |
| 24 | Katherine Nagy | 44 | Wife | Housewife | Hungary |
| 25 | George J. Cowan | 50 | Head | Laborer | Pennsylvania |
| 26 | Helen Cowan | 51 | Wife | Housewife | No. Ireland |
| 27 | James Cowan THIS PERSON | 17 | Son | Student | Pennsylvania |
| 28 | Helen Cowan | 16 | Daughter | Student | Pennsylvania |
| 29 | Georgiana Cowan | 15 | Daughter | Student | Pennsylvania |
| 30 | Joseph Stem | 39 | Head | Millwright | Pennsylvania |
| 31 | Mary Stem | 34 | Wife | Housewife | Pennsylvania |
| 32 | Emma Stem | 16 | Daughter | Student | Pennsylvania |
| 33 | Richard Stem | 14 | Son | Student | Pennsylvania |
| 34 | Stephen Smith | 35 | Head | Laborer | Pennsylvania |
| 35 | Anna Smith | 35 | Wife | Housewife | Pennsylvania |
| 36 | Genevie Smith | 15 | Daughter | Student | Pennsylvania |
| 37 | Evelyn Smith | 13 | Daughter | Student | Pennsylvania |
| 38 | Mildred Smith | 11 | Daughter | Student | Pennsylvania |
| 39 | Stephen Jr. Smith | 9 | Son | Student | Pennsylvania |
| 40 | Annmarie Smith | 7 | Daughter | Student | Pennsylvania |
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)