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Thelma Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Campbell-County, Kentucky
Our Model Tree links this Thelma Williams across the 1920, 1930 and 1940 US Censuses in Campbell-County, Kentucky (XGBoost, ~Confirmed), with identified parents Ivor & Agnes — first a daughter (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Campbell-County, Kentucky |
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Campbell |
| Additional Details | |
| Occupation | Cashier |
| Industry | Banking |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 752 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Cashier |
| Township / Ward | Dayton City |
| Est. Birth Year | ~1916 |
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 Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Williams | Daughter | — | 24 | ~1916 |
| Arnor Williams | Head | — | 42 | ~1898 |
| Florence Williams | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Campbell, Kentucky
Daughter, age 2
Campbell, Kentucky · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ohio |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Campbell, Kentucky
Daughter, age 13
Campbell, Kentucky · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Campbell-County, Kentucky
Daughter, age 24
Campbell-County, Kentucky · implied b. ~1916 — 3 household members
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Campbell |
| Occupation | Cashier |
| Industry | Banking |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 752 |
| Highest Grade | H 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 Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ivor Williams (~0.92 confidence) and mother Agnes Williams (~0.92 confidence) and mother Florence Williams (~0.92 confidence) and father James Williams (~0.92 confidence) and mother Irene Williams (~0.92 confidence) and father Arnor Williams (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ivor Williams
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Agnes Williams
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Florence Williams
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
James Williams
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Irene Williams
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Arnor Williams
b. ~1898
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thelma Williams
Daughter · 1940 · age 24 · b. ~1916 · Kentucky
★ 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 — Campbell-County, Kentucky
Open full size
1940 US Federal Census — Campbell-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01290-00373)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Douglas Munster | 35 | Head | Proprietor | Kentucky |
| 42 | Mary F. Munster | 34 | Wife | — | Kentucky |
| 43 | Joy R. Munster | 2 | Daughter | — | Kentucky |
| 44 | Florence Cuppy | 55 | Head | Teacher | Ohio |
| 45 | Marie Cuppy | 58 | Sister | — | Ohio |
| 46 | Nettie Waller | 75 | Head | — | Kentucky |
| 47 | Glenna Jenkins | 50 | Daughter | Hostess | Kentucky |
| 48 | Edward Skinner | 45 | Head | Press Hand | Kentucky |
| 49 | Hattie Skinner | 44 | Wife | — | Kentucky |
| 50 | Edward Jr. Skinner | 20 | Son | Assembler | Kentucky |
| 51 | Holland Skinner | 38 | Sister | Time Keeper | Ohio |
| 52 | E. H. Mohlenkamp | 47 | Head | Chauffeur | Ohio |
| 53 | Ida Mohlenkamp | 44 | Wife | — | Ohio |
| 54 | Edward T. Mohlenkamp | 23 | Son | — | Ohio |
| 55 | Joseph Meyer | 47 | Head | Clerk | Ohio |
| 56 | Hilda Meyer | 46 | Wife | — | Kentucky |
| 57 | Edward Meyer | 20 | Son | Clerk | Kentucky |
| 58 | Rita Meyer | 18 | Daughter | Waitress | Kentucky |
| 59 | Ralph Meyer | 17 | Son | — | Kentucky |
| 60 | Dorothy Meyer | 12 | Daughter | — | Kentucky |
| 61 | Bessie Evans | 45 | Head | Seamstress | Kentucky |
| 62 | Stewart Evans | 46 | Brother | Sampler | Kentucky |
| 63 | Hazel Evans | 44 | Wife | — | Kentucky |
| 64 | Frankie Saunders | 49 | Head | Examiner | Kentucky |
| 65 | Fred Saunders | 18 | Son | — | Kentucky |
| 66 | Berthold Rock | 54 | Boarder | Examiner | Ohio |
| 67 | Alfred Wahl | 47 | Boarder | Minister | Virginia |
| 68 | Allen Cooke | 58 | Head | Printer | Indiana |
| 69 | Louise Cooke | 53 | Wife | — | Tennessee |
| 70 | Ada Allen Cooke | 30 | Daughter | Secretary | Tennessee |
| 71 | Jeanne Cooke | 24 | Daughter | Cashier | Kentucky |
| 72 | Geo. M. Graslin | 74 | Head | Retired | Kentucky |
| 73 | Dorie Graslin | 78 | Wife | — | Kentucky |
| 74 | Lester R. Hilge | 41 | Head | Decorator | Ohio |
| 75 | Nola Hilge | 39 | Wife | — | Ohio |
| 76 | Faye Hilge | 8 | Daughter | — | Ohio |
| 77 | Arnor Williams | 42 | Head | Laster | Ohio |
| 78 | Florence Williams | 51 | Wife | — | Kentucky |
| 79 | Thelma Williams THIS PERSON | 24 | Daughter | Cashier | Kentucky |
| 80 | Conrad Lykins | 27 | Head | Assistant Mgr. | Kentucky |
Pedigree Summary
Thelma
Gen 1 · 6 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)