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Thomas Ellis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Thomas Ellis across the 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Ellis |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sawmill |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 188 |
| Highest Grade | No 3 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Burtchville |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Robert Ellis | Son | — | 12 | ~1928 |
| Roland Ellis | Son | — | 16 | ~1924 |
| Ethel Ellis | Daughter | — | 9 | ~1931 |
| Thomas Ellis | Son | — | 19 | ~1921 |
| Herbert Ellis | Son | — | 7 | ~1933 |
| Charles Ellis | Son | — | 4 | ~1936 |
| Zannie Ellis | Spouse | — | 40 | ~1900 |
| Howard Ellis | Son | — | 1 | ~1939 |
| Marie Ellis | Daughter | — | 14 | ~1926 |
| Leland Ellis | Son | — | 17 | ~1923 |
| Herbert Ellis | Head | — | 46 | ~1894 |
Census Appearances
1930
St Clair, …
Son, age 9
St Clair, Michigan · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | Thomas H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Son, age 19
St.-Clair-County, Michigan · implied b. ~1921 — 11 household members
| Surname | Ellis |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | St. Clair |
| Occupation | Laborer |
| Industry | Sawmill |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 188 |
| Highest Grade | No 3 |
| 1935 Residence | Michigan |
| 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 Thomas Ellis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Ellis
Son · 1940 · age 19 · b. ~1921 · Michigan
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Sibling
Charles Ellis
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Ellis
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Ellis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Ellis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Ellis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leland Ellis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roland Ellis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Ellis
Sibling · 1940 · age 7
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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01815-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rosella Brown | 21 | Wife | Housework | Michigan |
| 42 | Patricia A Brown | 2 | Daughter | — | Michigan |
| 43 | Velma Winden | 18 | Sister-in-law | Servant | Michigan |
| 44 | Bruce E Harris | 54 | Head | — | Michigan |
| 45 | Mary M Harris | 57 | Wife | Storekeeper | Michigan |
| 46 | Martha Weir | 37 | Daughter | Sales | Michigan |
| 47 | Ola E Weir | 5 | Granddaughter | — | Michigan |
| 48 | Harley Matthews | 29 | Head | Farm | Michigan |
| 49 | Edna L Matthews | 33 | Wife | — | Michigan |
| 50 | Mary L Matthews | 7 | Daughter | — | Michigan |
| 51 | Margot Matthews | 6 | Daughter | — | Michigan |
| 52 | Edwin Matthews | 4 | Son | — | Michigan |
| 53 | Howard Matthews | 2 | Son | — | Michigan |
| 54 | Ernest Ferrett | 52 | Head | Farm | Michigan |
| 55 | Ida Ferrett | 52 | Wife | — | Michigan |
| 56 | Newell Ferrett | 25 | Son | Laborer | Michigan |
| 57 | Hazen Ferrett | 15 | Son | — | Michigan |
| 58 | Robert Belford | 49 | Head | Engineer Boiler | Michigan |
| 59 | Mildred A Belford | 44 | Wife | — | Michigan |
| 60 | Elmer Matheson | 32 | Head | Farmer | Michigan |
| 61 | Vesta Matheson | 20 | Wife | — | Michigan |
| 62 | Joan Matheson | 2 | Daughter | — | Michigan |
| 63 | Richard Matheson | 0 | Son | — | Michigan |
| 64 | Morris Hurley | 24 | Hired Hand | Laborer | Michigan |
| 65 | Herbert Ellis | 46 | Head | Thresher | Michigan |
| 66 | Zannie Ellis | 40 | Wife | — | Michigan |
| 67 | Thomas Ellis THIS PERSON | 19 | Son | Laborer | Michigan |
| 68 | Leland Ellis | 17 | Son | Laborer | Michigan |
| 69 | Roland Ellis | 16 | Son | — | Michigan |
| 70 | Marie Ellis | 14 | Daughter | — | Michigan |
| 71 | Robert Ellis | 12 | Son | — | Michigan |
| 72 | Ethel Ellis | 9 | Daughter | — | Michigan |
| 73 | Herbert J Ellis | 7 | Son | — | Michigan |
| 74 | Charles Ellis | 4 | Son | — | Michigan |
| 75 | Howard Ellis | 1 | Son | — | Michigan |
| 76 | Otto Hillock | 52 | Head | Farmer | Michigan |
| 77 | Bessie Hillock | 51 | Wife | — | Canada-English |
| 78 | Donald Hillock | 24 | Son | Laborer | Michigan |
| 79 | Armond Hillock | 17 | Son | Laborer | Michigan |
| 80 | Alexander Hillock | 14 | Son | — | Michigan |
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)