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Thelma Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Thelma Anderson across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Anderson |
| Given Name | Thelma L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Dayton |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| David Anderson | Son | — | 9 | ~1931 |
| Noah Anderson | Head | — | 50 | ~1890 |
| Lela Anderson | Spouse | — | 39 | ~1901 |
| Beatrice Anderson | Daughter | — | 12 | ~1928 |
| Thelma Anderson | Daughter | — | 14 | ~1926 |
| Noah Anderson | Son | — | 3 | ~1937 |
| Richard Anderson | Son | — | 6 | ~1934 |
| John Clunk | Other | — | 78 | ~1862 |
Census Appearances
1930
Montgomery, Ohio
Daughter, age 4
Montgomery, Ohio · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Daughter, age 14
Montgomery-County, Ohio · implied b. ~1926 — 8 household members
| Surname | Anderson |
| Given Name | Thelma L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Anderson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Anderson
Daughter · 1940 · age 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
David Anderson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Anderson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Anderson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Noah Anderson
Sibling · 1940 · age 3
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03251-00440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert M. Vancamp | 15 | Bro-law | — | Ohio |
| 42 | Noah Anderson | 50 | Head | Painter | Ohio |
| 43 | Lela Anderson | 39 | Wife | — | Ohio |
| 44 | Thelma L. Anderson THIS PERSON | 14 | Daughter | — | Ohio |
| 45 | Beatrice A. Anderson | 12 | Daughter | — | Ohio |
| 46 | David E. Anderson | 9 | Son | — | Ohio |
| 47 | Richard E. Anderson | 6 | Son | — | Ohio |
| 48 | Noah Jr. Anderson | 3 | Son | — | Ohio |
| 49 | John E. Clunk | 78 | Father-law | — | Ohio |
| 50 | Clarence B. Hall | 40 | Head | Truck Driver | Ohio |
| 51 | Mary M. Hall | 34 | Wife | — | Ohio |
| 52 | Clarence E. Hall | 19 | Son | Delivery Boy | Ohio |
| 53 | Betty J. Chappins | 8 | Niece | — | Ohio |
| 54 | Charles J. Luce | 48 | Lodger | Painter | Ohio |
| 55 | Lawrence E. Shade | 28 | Lodger | Truck Driver | Ohio |
| 56 | William Flanagan | 78 | Head | — | North Ireland |
| 57 | Marie Hurst | 52 | Daughter | — | Ohio |
| 58 | William Hurst | 20 | Grandson | — | Ohio |
| 59 | Richard Plessinger | 22 | Lodger | Labor | Ohio |
| 60 | Ella A. Dwyer | 74 | Head | — | Ohio |
| 61 | Margaret A. Ryan | 58 | Lodger | Labeler | Ohio |
| 62 | Daniel J. Ryan | 24 | Head | Assembler | Ohio |
| 63 | Margaret E. Ryan | 25 | Wife | — | Ohio |
| 64 | Carolyn A. Ryan | 0 | Daughter | — | Ohio |
| 65 | D. Castie | 51 | Mother | Baker | Ohio |
| 66 | John M. Patterson | 40 | Head | Wood Worker | Ohio |
| 67 | Olive L. Patterson | 40 | Wife | — | Ohio |
| 68 | Melvin L. Patterson | 16 | Son | — | Ohio |
| 69 | Robert J. Patterson | 12 | Son | — | Ohio |
| 70 | Nelson D. Patterson | 9 | Son | — | Ohio |
| 71 | John M. Jr. Patterson | 6 | Son | — | Ohio |
| 72 | Riley Newman | 66 | Head | — | Ohio |
| 73 | Ruth Newman | 51 | Wife | — | Ohio |
| 74 | Joseph Mccarthy | 33 | Head | Fireman | Ohio |
| 75 | Alice Mccarthy | 31 | Wife | — | Ohio |
| 76 | Joseph Jr. Mccarthy | 11 | Son | — | Ohio |
| 77 | Julia A. Mccarthy | 10 | Daughter | — | Ohio |
| 78 | Thomas E. Mccarthy | 8 | Son | — | Ohio |
| 79 | Alma J. Mccarthy | 6 | Daughter | — | Ohio |
| 80 | Carol F. Mccarthy | 5 | Daughter | — | Ohio |
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)