MT
Mildred Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lyon-County, Kansas
Our Model Tree links this Mildred Thomas across the 1920, 1930 and 1940 US Censuses in Lyon-County, Kansas (XGBoost, ~Confirmed), with identified parents James & Sallie — first a daughter (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lyon-County, Kansas |
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | City of Emporia |
| 1935 Residence (County) | Lyon |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 820 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Stenographer |
| Township / Ward | City Of Emporia |
| Est. Birth Year | ~1910 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Thomas | Daughter | — | 30 | ~1910 |
| Marie Thomas | Daughter | — | 34 | ~1906 |
| Sally Thomas | Head | — | 71 | ~1869 |
Census Appearances
1920
Lyon, Kansas
Daughter, age 10
Lyon, Kansas · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mildred D |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Lyon, Kansas
Daughter, age 20
Lyon, Kansas · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Occupation | Secretary |
| Industry | County Hospital |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Lyon-County, Kansas
Daughter, age 30
Lyon-County, Kansas · implied b. ~1910 — 3 household members
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | City of Emporia |
| 1935 Residence (County) | Lyon |
| Occupation | Stenographer |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 820 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Mildred Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Thomas (~0.92 confidence) and mother Sallie Thomas (~0.92 confidence) and mother Sally Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Thomas
b. ~1848
Source father
● Household
· direct · ~0.92
Mother
Sallie Thomas
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Sally Thomas
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Thomas
Daughter · 1940 · age 30 · b. ~1910 · Kansas
★ You are viewing this record
Sibling
Marie Thomas
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lyon-County, Kansas
Open full size
1940 US Federal Census — Lyon-County, Kansas
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01242-00440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara E. Felton | 26 | Wife | Waitress | Missouri |
| 2 | Lloyd L. Felton | 8 | Son | — | Kansas |
| 3 | Crystine Hickerson | 64 | Mother-in-law | — | Nebraska |
| 4 | Walter J. Harrison | 56 | Head | Machinist Helper | Kansas |
| 5 | Pearl Harrison | 50 | Wife | — | Kansas |
| 6 | Ralph Harrison | 21 | Son | Clerk | Kansas |
| 7 | Vernie Kern | 35 | Son-in-law | Cook (Steward) | Kansas |
| 8 | Violet O. Kern | 30 | Daughter | — | Kansas |
| 9 | Joy O. Main | 43 | Head | Dishwasher | Nebraska |
| 10 | Anna C. Main | 45 | Wife | — | Kansas |
| 11 | Harold Main | 22 | Son | Laborer | Kansas |
| 12 | Evelyn Main | 19 | Daughter | Stenographer | Kansas |
| 13 | Carl Main | 15 | Son | — | Kansas |
| 14 | Everett Main | 12 | Son | — | Kansas |
| 15 | Beverly Main | 9 | Daughter | — | Kansas |
| 16 | William C. Hughes | 41 | Head | Trucker | Illinois |
| 17 | Beulah M. Hughes | 36 | Wife | — | Kansas |
| 18 | Pauline Hughes | 15 | Daughter | — | Kansas |
| 19 | Marian Hughes | 13 | Daughter | — | Kansas |
| 20 | Louise Hughes | 11 | Daughter | — | Kansas |
| 21 | Sally Thomas | 71 | Head | — | Kansas |
| 22 | Marie V. Thomas | 34 | Daughter | Bookkeeper | Oklahoma |
| 23 | Mildred Thomas THIS PERSON | 30 | Daughter | Stenographer | Oklahoma |
| 24 | Fred A. Wagner | 69 | Head | Laborer | Wisconsin |
| 25 | Ellen O. Wagner | 66 | Wife | — | Kansas |
| 26 | Maud O. Hopkins | 59 | Head | — | Kansas |
| 27 | Maurine Hopkins | 37 | Daughter | Operator | Kansas |
| 28 | John W. Workman | 91 | Father | — | Indiana |
| 29 | Harry C. Grimsley | 70 | Head | Janitor | Iowa |
| 30 | Cora L. Grimsley | 60 | Wife | — | Kansas |
| 31 | Alfred B. Phillips | 61 | Head | Carpenter | Illinois |
| 32 | Minnie O. Phillips | 55 | Wife | — | Kansas |
| 33 | Otis Phillips | 22 | Son | Carpenter | Kansas |
| 34 | James J. Phillips | 17 | Son | Helper | Kansas |
| 35 | Mary Phillips | 15 | Daughter | Kitchen Helper | Kansas |
| 36 | Charley Phillips | 11 | Son | — | Kansas |
| 37 | Kenneth Phillips | 24 | Son | Baker'S Helper | Kansas |
| 38 | Milton H. Heckathorn | 30 | Head | Washer | Nebraska |
| 39 | Iva O. Heckathorn | 29 | Wife | Operator | Kansas |
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 3 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)