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Frank Fox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Miner-County, South Dakota
Our Model Tree links this Frank Fox across the 1920, 1930 and 1940 US Censuses in Miner-County, South Dakota (XGBoost, ~Confirmed), with identified parents Albert & Ella — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Miner-County, South Dakota |
| Surname | Fox |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Miner |
| 1935 Residence (County) | Miner |
| Additional Details | |
| Occupation | Highway foreman |
| Industry | Highway Comm. |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1080 |
| Highest Grade | H 4 |
| 1935 Residence | South Dakota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Highway Foreman |
| Township / Ward | Howard City |
| Est. Birth Year | ~1907 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Vina Fox | Spouse | — | 28 | ~1912 |
| Berta Fox | Daughter | — | 9 | ~1931 |
| Frank Fox | Head | — | 33 | ~1907 |
Census Appearances
1920
Miner, South …
Son, age 13
Miner, South Dakota · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Frank T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Miner, South …
Head, age 23
Miner, South Dakota · implied b. ~1907 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Frank F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 23 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Canada |
| Occupation | Manager Garage |
| Industry | Garage |
| Class of Worker | 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
Miner-County, South …
Head, age 33
Miner-County, South Dakota · implied b. ~1907 — 3 household members
| Surname | Fox |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Miner |
| 1935 Residence (County) | Miner |
| Occupation | Highway foreman |
| Industry | Highway Comm. |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 1080 |
| Highest Grade | H 4 |
| 1935 Residence | South Dakota |
| 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 Frank Fox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Fox (~0.92 confidence) and mother Ella Fox (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Fox
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Ella Fox
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Fox
Head · 1940 · age 33 · b. ~1907 · South Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Miner-County, South Dakota
Open full size
1940 US Federal Census — Miner-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03862-00842)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Janet Robbins | 12 | Daughter | — | South Dakota |
| 2 | Frank Fox THIS PERSON | 33 | Head | Highway Foreman | South Dakota |
| 3 | Vina Fox | 28 | Wife | — | South Dakota |
| 4 | Berta Fox | 9 | Daughter | — | South Dakota |
| 5 | Bernard Step | 40 | Head | Trucker | Ireland |
| 6 | Dina Step | 40 | Wife | — | Iowa |
| 7 | Wilma Step | 9 | Daughter | — | South Dakota |
| 8 | Katherine Step | 8 | Daughter | — | South Dakota |
| 9 | Arthur Step | 6 | Son | — | South Dakota |
| 10 | Milo Step | 3 | Son | — | South Dakota |
| 11 | Ronald Step | 2 | Son | — | South Dakota |
| 12 | Hubert Arnold | 76 | Head | — | Minnesota |
| 13 | Maude Arnold | 55 | Wife | — | South Dakota |
| 14 | Stuart Arnold | 27 | Son | Operator Con Game | South Dakota |
| 15 | Tena Bakken | 72 | Head | — | Norway |
| 16 | Axel Lombach | 53 | Son-in-law | Laborer | Iowa |
| 17 | Emma Lombach | 41 | Daughter | Clerk | South Dakota |
| 18 | Lloyd Baldwin | 44 | Head | Cafe Operator | Iowa |
| 19 | Minnie Baldwin | 39 | Wife | — | North Dakota |
| 20 | Bryce Baldwin | 6 | Son | — | South Dakota |
| 21 | Thomas Rafferty | 67 | Head | Druggist | Minnesota |
| 22 | Florence Rafferty | 64 | Wife | — | Iowa |
| 23 | Leona Marshall | 26 | Lodger | Teacher | Iowa |
| 24 | Ethel Chen | 24 | Lodger | Teacher | North Dakota |
| 25 | Margaret Matthews | 69 | Head | — | Iowa |
| 26 | Ray H Matthews | 49 | Son | Line Lineman | South Dakota |
| 27 | Gordon Matthews | 35 | Son | Clerk | South Dakota |
| 28 | Leo V. Schuetter | 47 | Lodger | Dentist | South Dakota |
| 29 | Harry Hale | 47 | Head | Implement Dealer | Iowa |
| 30 | Pauline Hale | 40 | Wife | — | Iowa |
| 31 | Robert Hale | 19 | Son | — | South Dakota |
| 32 | John H Hale | 17 | Son | — | South Dakota |
| 33 | Chester Mccracken | 32 | Head | — | Missouri |
| 34 | Kathy Mccracken | 27 | Wife | — | Iowa |
| 35 | Herbert Willoughby | 37 | Head | Undertaker | South Dakota |
| 36 | Jessie Willoughby | 36 | Wife | — | South Dakota |
| 37 | Jeanne Willoughby | 11 | Daughter | — | South Dakota |
| 38 | Jeanne Willoughby | 8 | Daughter | — | South Dakota |
| 39 | Mary Tuttle | 58 | Head | Operator Furniture | Pennsylvania |
| 40 | Dorothy Tuttle | 16 | Daughter | — | South Dakota |
Pedigree Summary
Frank
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)