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James Cowan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hill-County, Montana
Our Model Tree links this James Cowan across the 1930 and 1940 US Censuses in Hill-County, Montana (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 5-person household.
Age 36
b. ~1904
Male
Head
Born: Montana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hill-County, Montana |
| Surname | Cowan |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Havre City |
| 1935 Residence (County) | Hill |
| Additional Details | |
| Occupation | Fireman |
| Industry | City fire department |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Fireman |
| Township / Ward | Havre City |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Marie Cowan | Daughter | — | 12 | ~1928 |
| James Cowan | Son | — | 6 | ~1934 |
| Marian Cowan | Spouse | — | 33 | ~1907 |
| James Cowan | Head | — | 36 | ~1904 |
| Lois Cowan | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Hill, Montana
Head, age 26
Hill, Montana · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Montana |
| Age at First Marriage | 23 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Minnesota |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | No |
| Veteran | No |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Hill-County, Montana
Head, age 36
Hill-County, Montana · implied b. ~1904 — 5 household members
| Surname | Cowan |
| Given Name | James A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Havre City |
| 1935 Residence (County) | Hill |
| Occupation | Fireman |
| Industry | City fire department |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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
Head · 1940 · age 36 · b. ~1904 · Montana
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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 — Hill-County, Montana
Open full size
1940 US Federal Census — Hill-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02221-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Audrey S. Vernon | 25 | Wife | — | Montana |
| 2 | Raymond Uhrhoff | 33 | Head | Census Enumerator | Wisconsin |
| 3 | Sybil Uhrhoff | 71 | Mother | — | Wisconsin |
| 4 | Albert Frinke | 64 | Head | Proprietor | Germany |
| 5 | Mary Frinke | 55 | Wife | — | Ohio |
| 6 | Mary Beyer | 44 | Step daughter | Saleslady | Kansas |
| 7 | Norman Cuffer | 26 | Head | Cab Driver | Montana |
| 8 | Muriel Cuffer | 21 | Wife | — | Montana |
| 9 | Norma Gay Cuffer | 1 | Daughter | — | Montana |
| 10 | Regis Mcdermott | 31 | Head | Mail Carrier | Pennsylvania |
| 11 | Amanda Cunningham | 53 | Aunt | — | Pennsylvania |
| 12 | Clarence Larsen | 28 | Head | Truck Driver | North Dakota |
| 13 | Blondina Larsen | 27 | Wife | — | Montana |
| 14 | Donna Mae Larsen | 4 | Daughter | — | Montana |
| 15 | Joseph A. Hamlin | 35 | Head | Telegraph Operator | Montana |
| 16 | Jean D. Hamlin | 30 | Wife | — | Washington |
| 17 | William Hamlin | 6 | Son | — | Montana |
| 18 | Engvall B. Buck | 59 | Head | Plumber | Norway |
| 19 | Carmen Joan Buck | 14 | Daughter | — | North Dakota |
| 20 | Aaron A. Prawde | 53 | Head | Proprietor & Manager | Poland |
| 21 | Esther Prawde | 58 | Wife | — | Poland |
| 22 | Vallery Buckenbury | 25 | Lodger | School Teacher | North Dakota |
| 23 | Wesley E. O. Case | 28 | Head | Material Handler | Idaho |
| 24 | Floris Case | 24 | Wife | — | North Dakota |
| 25 | James A. Cowan THIS PERSON | 36 | Head | Fireman | Montana |
| 26 | Marian Cowan | 33 | Wife | — | Iowa |
| 27 | Marie Cowan | 12 | Daughter | — | Montana |
| 28 | Lois Cowan | 9 | Daughter | — | Montana |
| 29 | James Cowan | 6 | Son | — | Montana |
| 30 | Ray B. Mclaren | 34 | Head | Salesman | North Dakota |
| 31 | Marie Mclaren | 34 | Wife | Beautician | North Dakota |
| 32 | Ray Mclaren | 10 | Son | — | Montana |
| 33 | Isabel Rickler | 19 | Niece | — | North Dakota |
| 34 | — | None | — | — | — |
| 35 | Alvin L. Anderson | 43 | Head | Truck Driver | Wisconsin |
| 36 | Daisy Anderson | 33 | Wife | — | Wisconsin |
| 37 | Gamosa Anderson | 10 | Daughter | — | Montana |
| 38 | Harold Anderson | 8 | Son | — | Montana |
| 39 | Gerald Anderson | 8 | Son | — | Montana |
| 40 | Alvin Anderson | 5 | Son | — | Montana |
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)