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Thelma Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Miami-County, Indiana
Our Model Tree links this Thelma Anderson across the 1930 and 1940 US Censuses in Miami-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Miami-County, Indiana |
| Surname | Anderson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Peru |
| 1935 Residence (County) | Miami |
| Additional Details | |
| Industry | School |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Peru |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| W Anderson | Son | — | 17 | ~1923 |
| Thomas Anderson | Head | — | 50 | ~1890 |
| Ola Anderson | Spouse | — | 46 | ~1894 |
| Lee Anderson | Daughter | — | 10 | ~1930 |
| Dorothy Anderson | Daughter | — | 21 | ~1919 |
| Ralph Anderson | Son | — | 16 | ~1924 |
| La Anderson | Daughter | — | 12 | ~1928 |
| Joyce Anderson | Daughter | — | 8 | ~1932 |
| Thelma Anderson | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Miami, Indiana
Daughter, age 4
Miami, Indiana · implied b. ~1926 — 10 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 | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Miami-County, Indiana
Daughter, age 14
Miami-County, Indiana · implied b. ~1926 — 9 household members
| Surname | Anderson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Peru |
| 1935 Residence (County) | Miami |
| Industry | School |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 · Indiana
★ You are viewing this record
Sibling
W Anderson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Anderson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lee Anderson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
La Anderson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Anderson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Anderson
Sibling · 1940 · age 16
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 — Miami-County, Indiana
Open full size
1940 US Federal Census — Miami-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01078-00510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Newell Carpenter | 37 | Head | Incubator Help | Indiana |
| 42 | Helen Carpenter | 30 | Wife | House-Wife | Indiana |
| 43 | Jean Shirley Carpenter | 10 | Daughter | — | Indiana |
| 44 | Walter Snyder | 45 | Head | Engineer | Illinois |
| 45 | Catherine Snyder | 35 | Wife | House-Wife | Indiana |
| 46 | Ann Patsy Snyder | 2 | Daughter | — | Indiana |
| 47 | Pauline Betty Leill | 12 | Step-daughter | — | Indiana |
| 48 | Lawrence Billy Leill | 9 | Step-son | — | Indiana |
| 49 | Norman Welch | 32 | Head | Grinder | West Virginia |
| 50 | Margaret Welch | 29 | Wife | House-Wife | Indiana |
| 51 | Jean Norma Welch | 8 | Daughter | — | Indiana |
| 52 | Mae, Ronnie Welch | 1 | Son | — | Indiana |
| 53 | H. Clay Loveland | 35 | Head | Asst. Manager | Indiana |
| 54 | May Anna Loveland | 32 | Wife | House-Wife | Indiana |
| 55 | Margot Loveland | 5 | Daughter | — | Indiana |
| 56 | Ernest Ames | 57 | Head | Engineer | Ohio |
| 57 | Della Ames | 53 | Wife | House-Wife | Ohio |
| 58 | Thomas Anderson | 50 | Head | Brakeman | Indiana |
| 59 | Ola Anderson | 46 | Wife | House-Wife | Illinois |
| 60 | Dorothy Anderson | 21 | Daughter | (Able To Do Light Work) | Indiana |
| 61 | W. Thomas Anderson | 17 | Son | (Began 1St Of Year) | Indiana |
| 62 | Ralph Anderson | 16 | Son | — | Indiana |
| 63 | Thelma Anderson THIS PERSON | 14 | Daughter | — | Indiana |
| 64 | La Betty Anderson | 12 | Daughter | — | Indiana |
| 65 | Lee Virginia Anderson | 10 | Daughter | — | Indiana |
| 66 | Joyce Anderson | 8 | Daughter | — | Indiana |
| 67 | Lowell Alspach | 31 | Head | Attorney | Indiana |
| 68 | Mildred Alspach | 27 | Wife | House-Wife | Indiana |
| 69 | Clark Alspach | 8 | Son | — | Indiana |
| 70 | Sherrell Alspach | 5 | Son | — | Indiana |
| 71 | Kay Alspach | 1 | Daughter | — | Indiana |
| 72 | Ronald Holcom | 55 | Head | Mail Messenger | Kansas |
| 73 | Nettie Holcom | 57 | Wife | House-Wife | Indiana |
| 74 | Phyllis Holcom | 17 | Daughter | School'S Plays In Band | Indiana |
| 75 | Eliza Zimmerman | 72 | Mother-in-law | Unable (Relief Pension) | Ohio |
| 76 | Clyde Hicks | 30 | Head | Wood Finisher | Tennessee |
| 77 | Louise Hicks | 30 | Wife | House-Wife | Indiana |
| 78 | Carolyn Sue Hicks | 10 | Daughter | — | Indiana |
| 79 | Madonna Lee Hicks | 8 | Daughter | — | Indiana |
Related Census Records
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)