AT
Ada Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Daviess-County, Indiana
Our Model Tree links this Ada Thomas across the 1930 and 1940 US Censuses in Daviess-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 8-person household.
Age 53
b. ~1887
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Daviess-County, Indiana |
| Surname | Thomas |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Washington City |
| 1935 Residence (County) | Daviess |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Washington City |
| Est. Birth Year | ~1887 |
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 Ada | Age | Birth yr |
|---|---|---|---|---|
| Clyde Thomas | Son | — | 23 | ~1917 |
| Warren Thomas | Head | — | 57 | ~1883 |
| Mary Thomas | Daughter | — | 7 | ~1933 |
| Maxine Thomas | Daughter | — | 14 | ~1926 |
| Horner Thomas | Son | — | 30 | ~1910 |
| Ruth Thomas | Daughter | — | 18 | ~1922 |
| Ada Thomas | Spouse | — | 53 | ~1887 |
| Wilber Thomas | Son | — | 21 | ~1919 |
Census Appearances
1930
Daviess, Indiana
Spouse, age 43
Daviess, Indiana · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ada S |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Daviess-County, Indiana
Spouse, age 53
Daviess-County, Indiana · implied b. ~1887 — 8 household members
| Surname | Thomas |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Washington City |
| 1935 Residence (County) | Daviess |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Ada Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ada Thomas
Spouse · 1940 · age 53 · b. ~1887 · 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 — Daviess-County, Indiana
Open full size
1940 US Federal Census — Daviess-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01034-00440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Floyd G. Crenshaw | 25 | Head | Auto Mechanic | Indiana |
| 42 | Anna Laura Crenshaw | 24 | Wife | — | Indiana |
| 43 | Lynne Jean Crenshaw | 4 | Daughter | — | Indiana |
| 44 | Lenn L. Clark | 53 | Head | Carpenter | Indiana |
| 45 | Alice Clark | 53 | Wife | — | Indiana |
| 46 | Fred M. Clark | 25 | Son | Carpenter | Indiana |
| 47 | Warren Thomas | 57 | Head | Boiler Maker | Indiana |
| 48 | Ada Thomas THIS PERSON | 53 | Wife | — | Indiana |
| 49 | Horner Thomas | 30 | Son | Salesman | Indiana |
| 50 | Clyde Thomas | 23 | Son | Labor | Indiana |
| 51 | Wilber Thomas | 21 | Son | Attendant | Indiana |
| 52 | Ruth Thomas | 18 | Daughter | Operator | Indiana |
| 53 | Maxine Thomas | 14 | Daughter | — | Indiana |
| 54 | Mary Lou Thomas | 7 | Daughter | — | Indiana |
| 55 | Edward A. Cornett | 29 | Head | Salesman | Virginia |
| 56 | Wilma Cornett | 26 | Wife | — | Indiana |
| 57 | Amal Lunsford | 25 | Roomer | Salesman | Kentucky |
| 58 | William Bacon | 51 | Head | Proprietor | Indiana |
| 59 | Mildred J. Bacon | 39 | Wife | — | Indiana |
| 60 | William J. Bacon | 8 | Son | — | Indiana |
| 61 | Carolyn Sue Bacon | 5 | Daughter | — | Indiana |
| 62 | Steven E. Myers | 56 | Head | Attorney | Indiana |
| 63 | Bessie R. Myers | 56 | Wife | — | Indiana |
| 64 | Ettie O'Neill | 70 | Head | — | Indiana |
| 65 | Ruth O'Neill | 32 | Daughter | — | Indiana |
| 66 | Charles E. Willison | 70 | Head | Pharmacist | Indiana |
| 67 | Ora Willison | 65 | Wife | — | Indiana |
| 68 | John Willison | 24 | Son | Pharmacist | Indiana |
| 69 | Karen Hopkins | 36 | Head | Primary Teacher | Indiana |
| 70 | Mary Murphy | 25 | Roomer | Music Teacher | Indiana |
| 71 | Charles Kidwell | 60 | Head | Government Survey | Indiana |
| 72 | Anna M. Kidwell | 57 | Wife | — | Indiana |
| 73 | Fern Clark | 33 | Daughter | — | Indiana |
| 74 | Earl Clark | 36 | Son in Law | Machinist | Indiana |
| 75 | Thomas Clark | 9 | Grandson | — | Indiana |
| 76 | Richard Clark | 8 | Grandson | — | Indiana |
| 77 | Mary Barbara Clark | 3 | Granddaughter | — | Indiana |
| 78 | Harry Clark | 1 | Grandson | — | Indiana |
| 79 | Marie Schuler | 71 | Mother | — | Hungary |
| 80 | Dora Schuler | 52 | Daughter | Manager Office | Indiana |
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)