MT
Mary Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sedgwick-County, Kansas
Our Model Tree links this Mary Thompson across the 1920, 1930 and 1940 US Censuses in Sedgwick-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 6-person household.
Age 43
b. ~1897
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sedgwick-County, Kansas |
| Surname | Thompson |
| Given Name | Mary S |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Grant Twp |
| 1935 Residence (County) | Sedgwick |
| Additional Details | |
| Occupation | housewife |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Housewife |
| Township / Ward | Grant Twp |
| Est. Birth Year | ~1897 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hilda Thompson | Daughter | — | 19 | ~1921 |
| Rosene Thompson | Daughter | — | 13 | ~1927 |
| Mark Thompson | Head | — | 48 | ~1892 |
| Aubrey Bell | Other | — | 24 | ~1916 |
| William Thompson | Son | — | 7 | ~1933 |
| Mary Thompson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Sedgwick, Kansas
Spouse, age 23
Sedgwick, Kansas · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Sedgwick, Kansas
Spouse, age 33
Sedgwick, Kansas · implied b. ~1897 — 33 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Sedgwick-County, Kansas
Spouse, age 43
Sedgwick-County, Kansas · implied b. ~1897 — 6 household members
| Surname | Thompson |
| Given Name | Mary S |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Grant Twp |
| 1935 Residence (County) | Sedgwick |
| Occupation | housewife |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mary Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Thompson
Spouse · 1940 · age 43 · b. ~1897 · 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 — Sedgwick-County, Kansas
Open full size
1940 US Federal Census — Sedgwick-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01258-00382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Evaline Dunn | 37 | daughter | Seamstress | Ohio |
| 42 | Mark Thompson | 48 | head | Farmer | Kansas |
| 43 | Mary S Thompson THIS PERSON | 43 | wife | Housewife | Iowa |
| 44 | Hilda Thompson | 19 | daughter | House Keeper | Kansas |
| 45 | Rosene Thompson | 13 | daughter | In School | Kansas |
| 46 | William D Thompson | 7 | son | In School | Kansas |
| 47 | Aubrey Bell | 24 | lodger | Laborer | Kansas |
| 48 | Charles L Bell | 54 | head | Manager | Illinois |
| 49 | Anna L Bell | 54 | wife | Housewife | Kansas |
| 50 | Erroll Bell | 43 | head | Mechanic | Kansas |
| 51 | Wilma Bell | 40 | wife | Housewife | Kansas |
| 52 | Helen Bell | 13 | daughter | — | Kansas |
| 53 | Lois Bell | 23 | head | Mechanic | Oklahoma |
| 54 | Melvina Bell | 20 | wife | Housewife | Oklahoma |
| 55 | Douglas Thompson | 86 | head | Retired | Ohio |
| 56 | Clara Thompson | 76 | wife | Housewife | Illinois |
| 57 | Leo Schnachenberg | 54 | head | Farmer | Kansas |
| 58 | Edith B Schnachenberg | 47 | wife | Housewife | Missouri |
| 59 | Richard S Rich | 48 | head | Farmer | Illinois |
| 60 | Mary Rich | 48 | wife | Housewife | Kansas |
| 61 | Darlene Rich | 13 | daughter | — | Kansas |
| 62 | Dale Rich | 10 | son | — | Kansas |
| 63 | Carol Rich | 7 | daughter | — | Kansas |
| 64 | William F Rich | 73 | father | Retired | Illinois |
| 65 | Frank D Smith | 53 | head | Caretaker | Illinois |
| 66 | Holly Dark | 54 | lodger | Caretaker | Iowa |
| 67 | Will Kirchmer | 53 | head | Farmer | Kansas |
| 68 | Alta Byron Kirchmer | 54 | wife | Housewife | Kansas |
| 69 | Richard Mc Cake | 65 | head | Farmer | Canada |
| 70 | Elizabeth Pierce | 58 | sister | House Keeper | Canada |
| 71 | Lawrence Carpenter | 31 | head | Laborer | Kansas |
| 72 | Alice Carpenter | 31 | wife | Housewife | Kansas |
| 73 | Robert Carpenter | 10 | son | — | Kansas |
| 74 | Harold D Carpenter | 8 | son | — | Kansas |
| 75 | Lawrence F Carpenter | 7 | son | — | Kansas |
| 76 | Marion W Carpenter | 6 | son | — | Kansas |
| 77 | George Carpenter | 2 | son | — | Kansas |
| 78 | Sam Griffin | 47 | head | Farmer | Kansas |
| 79 | Lucille Griffin | 47 | wife | Housewife | Texas |
| 80 | Lale Griffin | 23 | son | Laborer | Kansas |
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)