ET
Evelyn Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Warrick-County, Indiana
Our Model Tree links this Evelyn Thomas across the 1920, 1930 and 1940 US Censuses in Warrick-County, Indiana (XGBoost, ~Confirmed), with identified parents Byron & Parwin — first a daughter (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warrick-County, Indiana |
| Surname | Thomas |
| Given Name | Evelyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (County) | Warrick |
| Additional Details | |
| Occupation | 35 |
| Industry | Secretary |
| Class of Worker | School |
| Highest Grade | Hs 4 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | 35 |
| Township / Ward | Boonville |
| Est. Birth Year | ~1919 |
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 Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Thomas | Daughter | — | 21 | ~1919 |
| Lydia Thomas | Spouse | — | 42 | ~1898 |
| Parwin Thomas | Head | — | 45 | ~1895 |
Census Appearances
1920
Warrick, Indiana
Daughter, age 1
Warrick, Indiana · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Evelyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Warrick, Indiana
Daughter, age 11
Warrick, Indiana · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Evelyn L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Warrick-County, Indiana
Daughter, age 21
Warrick-County, Indiana · implied b. ~1919 — 3 household members
| Surname | Thomas |
| Given Name | Evelyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (County) | Warrick |
| Occupation | 35 |
| Industry | Secretary |
| Class of Worker | School |
| Highest Grade | Hs 4 |
| 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 Evelyn Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Byron Thomas (~0.92 confidence) and father Parwin Thomas (~0.92 confidence) and father Percival Thomas (~0.92 confidence) and mother Ida Thomas (~0.92 confidence) and mother Lydia Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Byron Thomas
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Parwin Thomas
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Percival Thomas
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Ida Thomas
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Lydia Thomas
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Evelyn Thomas
Daughter · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Warrick-County, Indiana
Open full size
1940 US Federal Census — Warrick-County, Indiana
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01107-00157)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Davy Lona Gail Day | 2 | daughter | — | — |
| 42 | Coon Wanda Lee Day | 11 | daughter | — | Indiana |
| 43 | Louise Hunter | 19 | Maid | Housework | Kentucky |
| 44 | Charlie Sutton | 42 | Head | 40 | Indiana |
| 45 | Parwin Thomas | 45 | Head | 85 | Indiana |
| 46 | Lydia Thomas | 42 | Wife | — | Indiana |
| 47 | Evelyn Thomas THIS PERSON | 21 | daughter | 35 | Indiana |
| 48 | Frank J. Wright | 69 | Head | 50 | Ohio |
| 49 | Birdie Wright | 65 | Wife | — | Kentucky |
| 50 | James D. Mcinnes | 44 | Head | — | Indiana |
| 51 | Abella Mcinnes | 39 | Wife | Secretary | Indiana |
| 52 | Margaret J. Mcinnes | 10 | daughter | — | Indiana |
| 53 | Richard Clyde Mcinnes | 8 | son | — | Indiana |
| 54 | Anna J. Knight | 69 | mother-in-law | — | Indiana |
| 55 | John Kohlmeyer | 67 | Head | 42 | Indiana |
| 56 | Martha Kohlmeyer | 63 | Wife | — | Indiana |
| 57 | Wesley Davidson | 44 | Head | — | Indiana |
| 58 | Clara Davidson | 64 | Mother | — | Indiana |
| 59 | Robert Davidson | 23 | Cousin | — | Indiana |
| 60 | Edward Espenlaub | 47 | Head | — | Indiana |
| 61 | Marie Espenlaub | 42 | Wife | — | Indiana |
| 62 | Wilfred Espenlaub | 22 | son | — | Indiana |
| 63 | Aileen Espenlaub | 19 | daughter | — | Indiana |
| 64 | Mildred Espenlaub | 14 | daughter | — | Indiana |
| 65 | Charles F. Gross | 63 | Head | 40 | Indiana |
| 66 | Bessie Gross | 58 | Wife | — | Indiana |
| 67 | George W. Gross | 13 | son | — | Indiana |
| 68 | Catherine Gross | 58 | sister | — | Indiana |
| 69 | Margaret L. Goad | 80 | mother-in-law | — | Indiana |
| 70 | Cliff Julian | 51 | Head | 40 | Indiana |
| 71 | Josie Julian | 54 | Wife | — | Indiana |
| 72 | Waldo Walker | 23 | Lodger | 40 | Illinois |
| 73 | Emil F. Dillingham | 46 | Head | 40 | Indiana |
| 74 | Gladys Dillingham | 45 | Wife | — | Indiana |
| 75 | Elizabeth L. Dillingham | 15 | daughter | — | Indiana |
| 76 | Charles A. Roberts | 69 | father-in-law | — | Indiana |
Pedigree Summary
Evelyn
Gen 1 · 5 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)