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James Strong — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Yellowstone-County, Montana
Our Model Tree links this James Strong across the 1930 and 1940 US Censuses in Yellowstone-County, Montana (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 8-person household.
Age 42
b. ~1898
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Yellowstone-County, Montana |
| Surname | Strong |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | R Yellowstone |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Montana |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Farmer |
| Township / Ward | School District No 2 Part |
| Est. Birth Year | ~1898 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Laura Strong | Son | — | 16 | ~1924 |
| Maybell Strong | Daughter | — | 14 | ~1926 |
| Patty Strong | Daughter | — | 6 | ~1934 |
| James Strong | Head | — | 42 | ~1898 |
| Eunice Strong | Daughter | — | 13 | ~1927 |
| Betty Strong | Daughter | — | 9 | ~1931 |
| Walter Strong | Son | — | 11 | ~1929 |
| Gertrude Strong | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Yellowstone, Montana
Head, age 32
Yellowstone, Montana · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Strong |
| Given Name | James Lee |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 24 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Iowa |
| Occupation | Saw Mill man |
| Industry | Lumber |
| Class of Worker | 7244 W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Yellowstone-County, Montana
Head, age 42
Yellowstone-County, Montana · implied b. ~1898 — 8 household members
| Surname | Strong |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | R Yellowstone |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Montana |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Strong across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Strong
Head · 1940 · age 42 · b. ~1898 · 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 — Yellowstone-County, Montana
Open full size
1940 US Federal Census — Yellowstone-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02234-01099)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oluffa Oanes | 65 | Head | — | Norway |
| 42 | Erling Oanes | 37 | son | Farmer | Norway |
| 43 | Minnie Mahan | 25 | daughter | — | Montana |
| 44 | Samuel Mahan | 3 | grand-son | — | Montana |
| 45 | Frederick Rybal | 29 | Head | Farmer | New Mexico |
| 46 | Lucy Rybal | 25 | wife | — | New Mexico |
| 47 | Virginia Rybal | 9 | daughter | — | Colorado |
| 48 | George Rybal | 7 | son | — | Montana |
| 49 | Bernard Rybal | 5 | son | — | Montana |
| 50 | Jerry Rybal | 3 | son | — | Montana |
| 51 | Mable Rybal | 2 | son | — | Montana |
| 52 | Simon Rybal | 2 | son | — | Montana |
| 53 | Cyrus M. Joy | 69 | Head | Farmer | Iowa |
| 54 | Arthur Martin | 31 | Head | Farm Laborer | Illinois |
| 55 | Minnie Martin | 27 | wife | — | Montana |
| 56 | Albert Martin | 3 | son | — | Washington |
| 57 | Ann Louise Martin | 2 | daughter | — | Montana |
| 58 | June Marie Martin | 1 | daughter | — | Montana |
| 59 | John Vander Pan | 6 | step-son | — | Montana |
| 60 | Leo Anthenis | 55 | Head | Laborer | Belgium |
| 61 | James Strong THIS PERSON | 42 | Head | Farmer | South Dakota |
| 62 | Gertrude Strong | 34 | wife | — | Tennessee |
| 63 | Laura Strong | 16 | son | — | Wyoming |
| 64 | Maybell Strong | 14 | daughter | — | Washington |
| 65 | Eunice Strong | 13 | daughter | — | Washington |
| 66 | Walter Strong | 11 | son | — | Washington |
| 67 | Betty Lou Strong | 9 | daughter | — | Montana |
| 68 | Patty Strong | 6 | daughter | — | Montana |
| 69 | Ernest Crenshaw | 36 | Head | Farmer | Tennessee |
| 70 | Leila Crenshaw | 23 | wife | — | Montana |
| 71 | O'Dean Crenshaw | 2 | daughter | — | Montana |
| 72 | William Crenshaw | 1 | son | — | Montana |
| 73 | Albert Martin | 51 | Head | — | Belgium |
| 74 | Lois Martin | 50 | wife | — | Belgium |
| 75 | Charlie Martin | 20 | son | Farmer | Montana |
| 76 | Gilbert Martin | 16 | son | Laborer | Montana |
| 77 | Ray H. Brown | 26 | Head | Farmer | Kansas |
| 78 | Irene Brown | 26 | wife | — | Belgium |
| 79 | Phyllis Brown | 2 | daughter | — | Montana |
| 80 | James Downey | 60 | Head | Laborer | Wyoming |
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)