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Thelma Wilson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Thelma Wilson across the 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed), with identified parents Oscar & Radford — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Wilson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Union Twp |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Deposit Bank |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 80 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Bookkeeper |
| Township / Ward | Union Twp |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Wilson | Daughter | — | 22 | ~1918 |
| Thelma Mercer | Daughter | — | 1 | ~1939 |
| Oscar Wilson | Head | — | 59 | ~1881 |
| Margaret Wilson | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 2
Jefferson, Kentucky · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Butler, Ohio
Daughter, age 12
Butler, Ohio · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Thelma F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Butler-County, Ohio
Daughter, age 22
Butler-County, Ohio · implied b. ~1918 — 4 household members
| Surname | Wilson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Union Twp |
| 1935 Residence (County) | Butler |
| Occupation | Bookkeeper |
| Industry | Deposit Bank |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 80 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Wilson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Oscar Wilson (~0.92 confidence) and father Radford Wilson (~0.92 confidence) and mother Margaret Wilson (~0.92 confidence) and mother Mary Wilson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oscar Wilson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Radford Wilson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Margaret Wilson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mary Wilson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Wilson
Daughter · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Thelma Mercer
Sibling · 1940 · age 1
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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03035-01039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oscar G. Wilson | 59 | Head | Section Hand | Kentucky |
| 2 | Margaret Wilson | 47 | Wife | — | Kentucky |
| 3 | Thelma Wilson THIS PERSON | 22 | Daughter | Bookkeeper | Kentucky |
| 4 | Thelma L. Mercer | 1 | Daughter | — | Ohio |
| 5 | George T. Johnson | 69 | Head | — | Ohio |
| 6 | Mellisa Johnson | 80 | Wife | — | Ohio |
| 7 | Frank Stansbury | 10 | Son | — | Ohio |
| 8 | Robert L. Chaney | 11 | Son | — | Ohio |
| 9 | Charles Cadwallader | 89 | Head | — | Ohio |
| 10 | Flora Cadwallader | 57 | Daughter | — | Ohio |
| 11 | Edward Cadwallader | 51 | Son | Farm Operator | Ohio |
| 12 | Paul Cadwallader | 50 | Son | Farm Operator | Ohio |
| 13 | Mary Cadwallader | 49 | Daughter | — | Ohio |
| 14 | Edith Cadwallader | 47 | Daughter | — | Ohio |
| 15 | Frank Brandhuber | 61 | Head | Farm Operator | Hungary |
| 16 | Barbara Brandhuber | 59 | Wife | — | Roumania |
| 17 | Jos. N. Brandhuber | 31 | Son | Farm Operator | Ohio |
| 18 | John Cuilla | 18 | Lodger | — | Ohio |
| 19 | Robert Vent | 16 | Lodger | Farm Hand | Ohio |
| 20 | Daniel Vent | 15 | Lodger | — | Ohio |
| 21 | John Buck | 12 | Lodger | — | Ohio |
| 22 | Otho J. Barnitt | 71 | Head | Warehouseman | Ohio |
| 23 | Veda I. Barnitt | 40 | Daughter | — | Illinois |
| 24 | Sidney J. Cook | 35 | Daughter | Forelady | Illinois |
| 25 | Jack Cook | 15 | Grandson | — | Illinois |
| 26 | Jesse Tichenor | 54 | Hired Man | Hired Hand | — |
| 27 | Marjorie Fair | 17 | Housekeeper | Housekeeper | Kentucky |
| 28 | John S. Keelner | 48 | Head | Farm Operator | Ohio |
| 29 | Hilda P. Keelner | 44 | Wife | — | Ohio |
| 30 | Anna Katherine Keelner | 21 | Daughter | — | Ohio |
| 31 | Robert L. Keelner | 19 | Son | Farm Helper | Ohio |
| 32 | John J. Keelner | 18 | Son | Farm Helper | Ohio |
| 33 | E. Lee Keelner | 13 | Son | — | Ohio |
| 34 | James J. Bease | 26 | Head | General Assistant | Indiana |
| 35 | Artha M. Bease | 28 | Wife | — | Virginia |
| 36 | Albert E. Lawson | 66 | Head | Private Conservation | Ohio |
| 37 | Edith L. Lawson | 54 | Wife | — | Ohio |
| 38 | Marion W. Lawson | 24 | Daughter | — | Ohio |
| 39 | Clara J. Lawson | 22 | Daughter | — | Ohio |
| 40 | Morris S. Homer | 70 | Head | Farm Operator | Indiana |
Pedigree Summary
Thelma + 1 sibling
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)