AT
Ada Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wilson-County, Kansas
Our Model Tree links this Ada Thomas across the 1920, 1930 and 1940 US Censuses in Wilson-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 3-person household.
Age 48
b. ~1892
Female
Spouse
Born: Norway
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wilson-County, Kansas |
| Surname | Thomas |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Fredonia city |
| 1935 Residence (County) | Wilson |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Township / Ward | Fredonia City |
| Est. Birth Year | ~1892 |
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 Ada | Age | Birth yr |
|---|---|---|---|---|
| Rex Thomas | Son | — | 22 | ~1918 |
| Ada Thomas | Spouse | — | 48 | ~1892 |
| R Thomas | Head | — | 52 | ~1888 |
Census Appearances
1920
Wilson, Kansas
Other, age 28
Wilson, Kansas · implied b. ~1892 — 45 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ada |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1909 |
| Naturalization Status | Alien |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Wilson, Kansas
Spouse, age 38
Wilson, Kansas · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 22 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Wilson-County, Kansas
Spouse, age 48
Wilson-County, Kansas · implied b. ~1892 — 3 household members
| Surname | Thomas |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Fredonia city |
| 1935 Residence (County) | Wilson |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ada Thomas
Spouse · 1940 · age 48 · b. ~1892 · Kansas
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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 — Wilson-County, Kansas
Open full size
1940 US Federal Census — Wilson-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01265-00800)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dwight O. Miller | 31 | Head | Opera Room Worker | Oklahoma |
| 2 | Edith M. Miller | 31 | Wife | — | Oklahoma |
| 3 | Max I. Miller | 10 | Son | — | Kansas |
| 4 | Phyllis Miller | 7 | Daughter | — | Kansas |
| 5 | Floyd L. Griffin | 27 | Head | Farm Laborer | Kansas |
| 6 | Dema Griffin | 23 | Wife | — | Kansas |
| 7 | Anita M. Griffin | 2 | Daughter | — | Kansas |
| 8 | Dicey J. Hoover | 79 | Head | — | Indiana |
| 9 | Clarence W. Hoover | 53 | Son | Buyer And Seller | Kansas |
| 10 | Walter C. Hoover | 46 | Son | Buyer And Seller | Kansas |
| 11 | Grace M. Hoover | 40 | Daughter | Abstract And Deed Writer | Kansas |
| 12 | Ray D. Rothgeb | 34 | Head | Quarry Worker | Kansas |
| 13 | Viola M. Rothgeb | 30 | Wife | — | Kansas |
| 14 | Shelia R. Rothgeb | 3 | Daughter | — | Kansas |
| 15 | Walter L. Forney | 58 | Head | Commercial Photographer | Missouri |
| 16 | Robert F. Forney | 41 | Brother | Circuit Inspector | Kansas |
| 17 | Clifford K. Clodfelter | 39 | Head | Railroad | Kansas |
| 18 | Veda R. Clodfelter | 33 | Wife | — | Kansas |
| 19 | Dorothy M. Clodfelter | 12 | Daughter | — | Kansas |
| 20 | Virgil R. Clodfelter | 10 | Son | — | Kansas |
| 21 | C. Earl Clodfelter | 7 | Son | — | Arkansas |
| 22 | Sam L. Mount | 75 | Head | — | Kansas |
| 23 | Guy Mount | 42 | Son | Glass Cutter | Kansas |
| 24 | Roy N. Brown | 36 | Head | Kiln Tank Feeder Man | Kansas |
| 25 | Iola E. Brown | 33 | Wife | — | Iowa |
| 26 | Richard R. Brown | 12 | Son | — | Illinois |
| 27 | Mary J. Claibourn | 77 | Head | — | Indiana |
| 28 | R. Merrill Thomas | 52 | Head | Jewelry Salesman | Kansas |
| 29 | Ada Thomas THIS PERSON | 48 | Wife | — | Norway |
| 30 | Rex Thomas | 22 | Son | — | Kansas |
| 31 | Glessie L. Barker | 50 | Head | — | Missouri |
| 32 | Oval D. Barker | 24 | Son | Power Shovel Operator | Kansas |
| 33 | Donald D. Barker | 16 | Son | New Worker | Kansas |
| 34 | Lester E. Barker | 12 | Son | — | Kansas |
| 35 | Schuyler C. Clark | 58 | Head | Section Foreman | Indiana |
| 36 | Maude L. Clark | 53 | Wife | — | Kansas |
| 37 | Meral Gadberry | 85 | Father-in-law | — | Kentucky |
| 38 | Rosie G. Hall | 52 | Head | Cook | Kentucky |
| 39 | Earnest Roe | 31 | Son | Odd Job Laborer | Missouri |
| 40 | George H. Roe | 39 | Son | Track Man | Missouri |
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)