JC
John Curtis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · White-County, Indiana
Our Model Tree links this John Curtis across the 1920, 1930 and 1940 US Censuses in White-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | White-County, Indiana |
| Surname | Curtis |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Monon Twp |
| 1935 Residence (County) | White |
| Additional Details | |
| Occupation | manager |
| Industry | Kelly Ranch |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 2000 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Manager |
| Township / Ward | Monon Twp |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Donna Curtis | Daughter | — | 16 | ~1924 |
| John Curtis | Head | — | 42 | ~1898 |
| Sammy Curtis | Son | — | 4 | ~1936 |
| Frances Curtis | Spouse | — | 39 | ~1901 |
Census Appearances
1920
White, Indiana
Head, age 22
White, Indiana · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Texas |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Manager |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
White, Indiana
Head, age 33
White, Indiana · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 21 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Texas |
| Occupation | Manager |
| Industry | Kelly road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | Nominal |
| Veteran | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
White-County, Indiana
Head, age 42
White-County, Indiana · implied b. ~1898 — 4 household members
| Surname | Curtis |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Monon Twp |
| 1935 Residence (County) | White |
| Occupation | manager |
| Industry | Kelly Ranch |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 2000 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Curtis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Curtis
Head · 1940 · age 42 · b. ~1898 · Indiana
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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 — White-County, Indiana
Open full size
1940 US Federal Census — White-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01110-00785)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marilyn Clark | 4 | daughter | — | Indiana |
| 2 | Harold Clark | 2 | son | — | Indiana |
| 3 | Frieda Nelson | 57 | Head | Farmer | Indiana |
| 4 | Eva Nelson | 38 | Wife | — | Indiana |
| 5 | Betty Nelson | 9 | daughter | — | Indiana |
| 6 | Edgar Linback | 25 | Head | Farm Laborer | Indiana |
| 7 | Ruby Linback | 18 | Wife | — | Indiana |
| 8 | Clifford Linback | 33 | Head | Farm Laborer | Indiana |
| 9 | Florence Linback | 27 | Wife | — | Indiana |
| 10 | Charlotte Linback | 9 | daughter | — | Indiana |
| 11 | Jess Campbell | 34 | Head | Farm Laborer | Indiana |
| 12 | Lillian Campbell | 21 | Wife | — | Arkansas |
| 13 | Shirley Ann Campbell | 4 | daughter | — | Indiana |
| 14 | Robert Eugene Campbell | 1 | son | — | Indiana |
| 15 | Betty Joan Campbell | 0 | daughter | — | Indiana |
| 16 | Harry Johns | 34 | Head | Farm Laborer | Indiana |
| 17 | Valeria Johns | 31 | Wife | — | Indiana |
| 18 | Harry Jr Johns | 12 | son | — | Indiana |
| 19 | Merle Johns | 9 | son | — | Indiana |
| 20 | Paul Johns | 5 | son | — | Indiana |
| 21 | Alma Johns | 3 | daughter | — | Indiana |
| 22 | John B Curtis THIS PERSON | 42 | Head | Manager | Texas |
| 23 | Frances E Curtis | 39 | Wife | — | Indiana |
| 24 | Donna Jean Curtis | 16 | daughter | — | Indiana |
| 25 | Sammy Curtis | 4 | son | — | Indiana |
| 26 | Walter Linback | 27 | Head | Farm Laborer | Indiana |
| 27 | Anna Linback | 26 | Wife | — | Illinois |
| 28 | Donald Linback | 3 | son | — | Indiana |
| 29 | Gilbert Smith | 53 | Head | Farm Laborer | Indiana |
| 30 | Anna Smith | 51 | Wife | — | Illinois |
| 31 | Mary Florence Smith | 17 | daughter | — | Indiana |
| 32 | Gilbert Dean Smith | 12 | son | — | Indiana |
| 33 | Ira Layman | 63 | Head | Farm Laborer | Ohio |
| 34 | Emma Layman | 44 | Wife | — | Illinois |
| 35 | Eater Ford | 38 | lodger | Farm Laborer | Kentucky |
| 36 | Albert Bernhart | 39 | Head | Farmer | Indiana |
| 37 | Emerson Bernhart | 34 | brother | Farm Laborer | Indiana |
| 38 | Mary Sister In Law Bernhart | None | F | — | — |
| 39 | Rita Bernhart | 5 | niece | — | Indiana |
| 40 | Lloyd Bernhart | 52 | Head | Farmer | Ohio |
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)