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Thomas Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Thomas Alexander across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 7-person household.
Age 40
b. ~1900
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Alexander |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Inspector |
| Industry | Chain Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Inspector |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1900 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Alexander | Daughter | — | 4 | ~1936 |
| Martha Alexander | Daughter | — | 17 | ~1923 |
| Thomas Alexander | Head | — | 40 | ~1900 |
| Ruth Alexander | Daughter | — | 15 | ~1925 |
| Dorothy Alexander | Daughter | — | 15 | ~1925 |
| Delta Alexander | Spouse | — | 39 | ~1901 |
| Walter Alexander | Son | — | 11 | ~1929 |
Census Appearances
1930
Marion, Indiana
Head, age 30
Marion, Indiana · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Thomas L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 21 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Chain works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2,500 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Marion-County, Indiana
Head, age 40
Marion-County, Indiana · implied b. ~1900 — 7 household members
| Surname | Alexander |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Inspector |
| Industry | Chain Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | 6 |
| 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 Thomas Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Alexander
Head · 1940 · age 40 · b. ~1900 · Indiana
★ 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01130-00708)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bernice Donnelly | 13 | Daughter | — | Indiana |
| 42 | Alice Stamm | 60 | Head | — | Indiana |
| 43 | Meredith Stamm | 24 | Son | Clerk | Indiana |
| 44 | Paul Stamm | 20 | Son | Truck Driver | Indiana |
| 45 | Imogene Stamm | 17 | Daughter | Stock Girl | Indiana |
| 46 | Orian Pleak | 29 | Son in Law | Knitter | Indiana |
| 47 | Delores Pleak | 29 | Daughter | Machine Operator | Indiana |
| 48 | Orian Jr Pleak | 5 | Grand Son | — | Indiana |
| 49 | Barbara Pleak | 4 | Grand Daughter | — | Indiana |
| 50 | Marlene Pleak | 2 | Grand Daughter | — | Indiana |
| 51 | Allene Bates | 22 | Daughter | Sales Girl | Indiana |
| 52 | Ronald Bates | 2 | Grand Son | — | Indiana |
| 53 | Clyde Thompson | 31 | Head | Laborer | Indiana |
| 54 | Ruby Thompson | 29 | Wife | — | Indiana |
| 55 | Hiram Thompson | 78 | Father | — | Indiana |
| 56 | Ethel Morgan | 38 | Head | Domestic | Indiana |
| 57 | Juanita Jones | 19 | Daughter | Packer | Indiana |
| 58 | Robert Thompson | 33 | Brother | Clerk | Indiana |
| 59 | Nellie M Burgess | 69 | Head | — | Indiana |
| 60 | Orinda B Burgess | 27 | Daughter | Clerical | Indiana |
| 61 | Hiram A Johns | 77 | Head | — | Indiana |
| 62 | Effie Johns | 67 | Wife | — | Kentucky |
| 63 | Ella Whitney | 32 | Lodger | Clerical | Illinois |
| 64 | Le Roy Riedel | 30 | Head | Laborer | Indiana |
| 65 | Hazel Riedel | 22 | Wife | — | Indiana |
| 66 | Leah Riedel | 1 | Daughter | — | Indiana |
| 67 | Thomas Alexander THIS PERSON | 40 | Head | Inspector | Kentucky |
| 68 | Delta Alexander | 39 | Wife | — | Kentucky |
| 69 | Martha Alexander | 17 | Daughter | — | Indiana |
| 70 | Ruth Alexander | 15 | Daughter | — | Indiana |
| 71 | Dorothy Alexander | 15 | Daughter | — | Indiana |
| 72 | Walter Alexander | 11 | Son | — | Indiana |
| 73 | Mary Alexander | 4 | Daughter | — | Indiana |
| 74 | Robert E Pries | 44 | Head | — | Indiana |
| 75 | Dama Pries | 39 | Wife | Inspector Linen | Kentucky |
| 76 | Rodean Pries | 17 | Daughter | — | Indiana |
| 77 | Robert Jr Pries | 15 | Son | — | Indiana |
| 78 | Richard Pries | 13 | Son | — | Indiana |
| 79 | George E Castle | 60 | Head | Toolmaker | Ohio |
| 80 | Flora E Castle | 59 | Wife | — | Indiana |
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)