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Thelma Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Scioto-County, Ohio
Our Model Tree links this Thelma Davis across the 1920, 1930 and 1940 US Censuses in Scioto-County, Ohio (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scioto-County, Ohio |
| Surname | Davis |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | New Boston |
| 1935 Residence (County) | Scioto |
| Additional Details | |
| Occupation | Clerical |
| Industry | Shoe Factory |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 690 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Occupation | Clerical |
| Township / Ward | New Boston |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Davis | Daughter | — | 30 | ~1910 |
| Lucille Davis | Daughter | — | 29 | ~1911 |
| Virginia Davis | Daughter | — | 23 | ~1917 |
| James Davis | Head | — | 55 | ~1885 |
| Billie Young | Other | — | 7 | ~1933 |
| Ada Davis | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Scioto, Ohio
Daughter, age 11
Scioto, Ohio · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Maryland |
| Mother's Birthplace | West Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Scioto, Ohio
Daughter, age 21
Scioto, Ohio · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Maryland |
| Mother's Birthplace | West Virginia |
| Occupation | Quiller hand |
| Industry | Shoe factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Scioto-County, Ohio
Daughter, age 30
Scioto-County, Ohio · implied b. ~1910 — 6 household members
| Surname | Davis |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | New Boston |
| 1935 Residence (County) | Scioto |
| Occupation | Clerical |
| Industry | Shoe Factory |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 690 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and mother Ada Davis (~0.92 confidence) and mother Ada Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Davis
b. ~1884
Source father
● Household
· direct · ~0.92
Father
James Davis
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Ada Davis
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Ada Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Davis
Daughter · 1940 · age 30 · b. ~1910 · Ohio
★ You are viewing this record
Sibling
Virginia Davis
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Davis
Sibling · 1940 · age 29
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 — Scioto-County, Ohio
Open full size
1940 US Federal Census — Scioto-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03141-00523)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sam Williams | 33 | Head | Inspector | Kentucky |
| 42 | Ruby Williams | 31 | Wife | House Wife | Kentucky |
| 43 | Betty Williams | 12 | Daughter | — | Ohio |
| 44 | Patricia Williams | 7 | Daughter | — | Ohio |
| 45 | Susie Hudson | 41 | Head | Maid | Kentucky |
| 46 | Clarence A. Hudson | 21 | Son | Labor | Ohio |
| 47 | Lorel Hudson | 19 | Daughter | Maid | Ohio |
| 48 | Harold A. Hudson | 14 | Son | — | Ohio |
| 49 | Dorothy A. Hudson | 12 | Daughter | — | Ohio |
| 50 | Doris A. Hudson | 12 | Daughter | — | Ohio |
| 51 | William H. Middaugh | 25 | Head | Labor | Ohio |
| 52 | Florin Middaugh | 20 | Wife | — | Kentucky |
| 53 | William M. Clark | 52 | Head | Machinist | Kentucky |
| 54 | Mae A. Clark | 48 | Wife | — | Kentucky |
| 55 | Lucille Wheeler | 24 | Daughter | Office Work | Ohio |
| 56 | Patricia Wheeler | 4 | Granddaughter | — | Ohio |
| 57 | Billie J. Wheeler | 2 | Grandson | — | Ohio |
| 58 | James T. Davis | 44 | Head | Labor | Kentucky |
| 59 | Estell L. Davis | 42 | Wife | — | Kentucky |
| 60 | Albert L. Davis | 21 | Son | 300 | Kentucky |
| 61 | Shelby L. Davis | 17 | Son | 200 | West Virginia |
| 62 | James T. Jr. Davis | 10 | Son | — | Ohio |
| 63 | James Davis | 55 | Head | Labor | Maryland |
| 64 | Ada P. Davis | 51 | Wife | — | West Virginia |
| 65 | Thelma Davis THIS PERSON | 30 | Daughter | Clerical | West Virginia |
| 66 | Lucille Davis | 29 | Daughter | Table Work | West Virginia |
| 67 | Virginia Davis | 23 | Daughter | Table Work | West Virginia |
| 68 | Billie J. Young | 7 | Granddaughter | — | Ohio |
| 69 | Clarence Highfield | 44 | Head | Chief Of Police | Kentucky |
| 70 | Roxie Highfield | 44 | Wife | — | Kentucky |
| 71 | Francis Highfield | 17 | Daughter | — | Kentucky |
| 72 | Clarence Jr. Highfield | 13 | Son | — | Ohio |
| 73 | Rosalee Frye | 76 | Mother-in-law | — | Kentucky |
| 74 | Rufus W. Lewis | 31 | Head | Labor | Kentucky |
| 75 | Besse M. Lewis | 33 | Wife | — | Kentucky |
| 76 | James W. Lewis | 5 | Son | — | Kentucky |
| 77 | Robert Burch | 36 | Lodger | Labor | Kentucky |
| 78 | Minnie Sizler | 47 | Head | Teacher | Tennessee |
| 79 | Hazel Sizler | 21 | Daughter | Teacher | West Virginia |
| 80 | Martha Hall | 60 | Sister-in-law | — | Tennessee |
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)