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Thelma Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Thelma Anderson across the 1920, 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed), with identified parents Nora & Henry — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Anderson |
| Given Name | Thelma A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Pontiac |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Occupation | Housework |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Housework |
| Township / Ward | Pontiac |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Nora Anderson | Spouse | — | 50 | ~1890 |
| Helen Anderson | Daughter | — | 24 | ~1916 |
| William Anderson | Son | — | 27 | ~1913 |
| Thelma Anderson | Daughter | — | 22 | ~1918 |
| Henry Anderson | Head | — | 49 | ~1891 |
| Carl Anderson | Son | — | 17 | ~1923 |
Census Appearances
1920
Oakland, Michigan
Daughter, age 2
Oakland, Michigan · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Thelma I |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Oakland, Michigan
Daughter, age 12
Oakland, Michigan · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Thelma A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Daughter, age 22
Oakland-County, Michigan · implied b. ~1918 — 6 household members
| Surname | Anderson |
| Given Name | Thelma A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Pontiac |
| 1935 Residence (County) | Oakland |
| Occupation | Housework |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 18 |
| Income (1939) | 100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nora Anderson (~0.92 confidence) and father Henry Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Nora Anderson
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Henry Anderson
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thelma Anderson
Daughter · 1940 · age 22 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
William Anderson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Anderson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Anderson
Sibling · 1940 · age 24
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 — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01800-00717)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd R. Hook | 36 | Head | Prod. Manager | Pennsylvania |
| 2 | Elsie N. Hook | 31 | Wife | — | Michigan |
| 3 | William F. Hook | 10 | Son | — | Michigan |
| 4 | Jean M. Hook | 8 | Daughter | — | Michigan |
| 5 | Henry E. Anderson | 49 | Head | Engineering | England |
| 6 | Nora R. Anderson | 50 | Wife | — | England |
| 7 | William A. Anderson | 27 | Son | Engineering | Canada |
| 8 | Helen M. Anderson | 24 | Daughter | Housework | Canada |
| 9 | Thelma A. Anderson THIS PERSON | 22 | Daughter | Housework | Michigan |
| 10 | Carl L. Anderson | 17 | Son | — | Michigan |
| 11 | Charles R. Holdsworth | 31 | Head | Acct. Office | Michigan |
| 12 | Dorothy H. Holdsworth | 26 | Wife | — | Michigan |
| 13 | James R. Holdsworth | 6 | Son | — | Michigan |
| 14 | Janice L. Holdsworth | 2 | Daughter | — | Michigan |
| 15 | Mable Greer | 64 | Lodger | Office Manager | Michigan |
| 16 | Howard L. Norton | 40 | Head | Office Manager | Michigan |
| 17 | Ruth M. Norton | 37 | Wife | — | Michigan |
| 18 | Robert L. Norton | 14 | Son | — | Michigan |
| 19 | Gloria J. Norton | 10 | Daughter | — | Michigan |
| 20 | Clark Clay | 29 | Head | Acct Office | England |
| 21 | Zelda Janice Clay | 26 | Wife | — | Michigan |
| 22 | Gary E. Clay | 1 | Son | — | Michigan |
| 23 | William L. Kent | 54 | Head | Metal Worker | Scotland |
| 24 | Elizabeth D. Kent | 77 | Wife | — | Scotland |
| 25 | George E. Udell | 47 | Head | Assembly | Michigan |
| 26 | Ruth L. Udell | 43 | Wife | Nurse | Michigan |
| 27 | George Udell | 8 | Son | — | Michigan |
| 28 | Emily Fabrey | 68 | Mother-in-law | Maintenance | Michigan |
| 29 | William P. Fuller | 46 | Head | Maintenance | Ohio |
| 30 | Brown Blanche Fuller | 52 | Wife | — | Ohio |
| 31 | Charles H. Fuller | 32 | Nephew | Owner | Ohio |
| 32 | John Mitchell | 47 | Head | Tool Maker | Michigan |
| 33 | Anna L. Mitchell | 47 | Wife | — | Michigan |
| 34 | Jack E. Mitchell | 13 | Son | — | Michigan |
| 35 | Elizabeth A. Mitchell | 11 | Daughter | — | Michigan |
| 36 | Walter Brinkman | 44 | Head | Inspecting | Illinois |
| 37 | John Lambeth | 37 | Lodger | Accounting | Missouri |
| 38 | Kenneth Mckenzie | 30 | Lodger | Catalog Writer | Canada |
| 39 | Floyd A. Mezler | 40 | Head | Machinist | Michigan |
| 40 | Flossie O. Mezler | 34 | Wife | — | Canada |
Related Census Records
Pedigree Summary
Thelma + 3 siblings
Gen 1 · 2 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)