TH
Thelma Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Illinois
Our Model Tree links this Thelma Harris across the 1920, 1930 and 1940 US Censuses in Wayne-County, Illinois (XGBoost, ~Confirmed), with identified parents Earl & Isabel — first a daughter (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Illinois |
| Surname | Harris |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Leech Twp. |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Leech Twp |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Pauline Harris | Daughter | — | 11 | ~1929 |
| Troy Harris | Son | — | 17 | ~1923 |
| Earl Harris | Head | — | 42 | ~1898 |
| Thelma Harris | Daughter | — | 20 | ~1920 |
| Isabel Harris | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Wayne, Illinois
Daughter, age
Wayne, Illinois · implied b. ~1920 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Thelma P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Wayne, Illinois
Daughter, age 10
Wayne, Illinois · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Wayne-County, Illinois
Daughter, age 20
Wayne-County, Illinois · implied b. ~1920 — 5 household members
| Surname | Harris |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Leech Twp. |
| 1935 Residence (County) | Wayne |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Thelma Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Harris (~0.92 confidence) and mother Isabel Harris (~0.92 confidence) and mother Mabel Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Harris
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Isabel Harris
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mabel Harris
b. ~1901
Source mother
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Harris
Daughter · 1940 · age 20 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Troy Harris
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Harris
Sibling · 1940 · age 11
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 — Wayne-County, Illinois
Open full size
1940 US Federal Census — Wayne-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00903-00508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Walker | 58 | Sister | — | Illinois |
| 2 | Frank Bell | 45 | Head | Laborer | Illinois |
| 3 | Josie Bell | 46 | Wife | — | Illinois |
| 4 | Vertis Bell | 23 | Son | — | Illinois |
| 5 | Hinge Bell | 21 | Son | Farmer | Illinois |
| 6 | Thomas Hark | 60 | Lodger | Helper | Illinois |
| 7 | Earl Harris | 42 | Head | Farmer | Illinois |
| 8 | Isabel Harris | 46 | Wife | Farmer | Illinois |
| 9 | Thelma Harris THIS PERSON | 20 | Daughter | — | Illinois |
| 10 | Troy Harris | 17 | Son | Helper | Illinois |
| 11 | Pauline Harris | 11 | Daughter | Helper | Illinois |
| 12 | Charles Smothers | 27 | Head | Farmer | Missouri |
| 13 | Freda Smothers | 23 | Wife | — | Illinois |
| 14 | Roche L. Smothers | 3 | Daughter | — | Illinois |
| 15 | Raymond Hallam | 47 | Head | Teacher | Illinois |
| 16 | Louetta Hallam | 42 | Wife | — | Illinois |
| 17 | Ray Hallam | 16 | Son | — | Illinois |
| 18 | Mary L. Hallam | 14 | Daughter | — | Illinois |
| 19 | Dennis Hallam | 10 | Son | — | Illinois |
| 20 | Edward Hallam | 73 | Head | — | Illinois |
| 21 | Mabel Hallam | 66 | Wife | — | Indiana |
| 22 | Preston Chitty | 39 | Head | Farmer | Illinois |
| 23 | Wilma Chitty | 30 | Wife | — | Illinois |
| 24 | Ray Chitty | 7 | Grandson | — | Illinois |
| 25 | Charles Chitty | 3 | Grandson | — | Illinois |
| 26 | Margaret Chitty | 14 | Daughter | — | Illinois |
| 27 | Estell Stewart | 34 | Head | Farmer | Illinois |
| 28 | Alice Stewart | 33 | Wife | — | Illinois |
| 29 | Estill Stewart | 14 | Son | — | Illinois |
| 30 | Chancey Stewart | 12 | Son | — | Illinois |
| 31 | Delmar Stewart | 5 | Son | — | Illinois |
| 32 | Ronald Stewart | 5 | Son | — | Illinois |
| 33 | Darrell Stewart | 1 | Son | — | Illinois |
| 34 | John Stewart | 38 | Head | Farmer | Illinois |
| 35 | Mary Stewart | 37 | Wife | — | Illinois |
| 36 | Ruth Stewart | 16 | Daughter | — | Illinois |
| 37 | Reba Stewart | 14 | Daughter | — | Illinois |
| 38 | Reta Stewart | 14 | Daughter | — | Illinois |
| 39 | Catherine Stewart | 12 | Daughter | — | Illinois |
| 40 | John Jr. Stewart | 10 | Son | — | Illinois |
Pedigree Summary
Thelma + 2 siblings
Gen 1 · 4 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)