ST
Samuel Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Samuel Thomas across the 1920, 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 13-person household.
Age 58
b. ~1882
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Thomas |
| Given Name | Samuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8 |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | Election District 8 |
| Est. Birth Year | ~1882 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Samuel | Age | Birth yr |
|---|---|---|---|---|
| Eva Thomas | Daughter | — | 18 | ~1922 |
| Amy Thomas | Daughter | — | 11 | ~1929 |
| Laura Thomas | Daughter | — | 16 | ~1924 |
| Viola Thomas | Daughter | — | 8 | ~1932 |
| Ruth Stewart | Daughter | — | 21 | ~1919 |
| Samuel Thomas | Head | — | 58 | ~1882 |
| Thomas Stewart | Other | — | 4 | ~1936 |
| Elaine Stewart | Other | — | 1 | ~1939 |
| Ernest Stewart | Other | — | 29 | ~1911 |
| Richard Stewart | Other | — | 2 | ~1938 |
| Elva Stewart | Other | — | 7 | ~1933 |
| Elridge Thomas | Son | — | 14 | ~1926 |
| Viola Thomas | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Charles, Maryland
Head, age 35
Charles, Maryland · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Saml B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | working out |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Charles, Maryland
Head, age 47
Charles, Maryland · implied b. ~1883 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Samuel R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 25 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Head, age 58
Charles-County, Maryland · implied b. ~1882 — 13 household members
| Surname | Thomas |
| Given Name | Samuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8 |
| 1935 Residence (County) | Charles |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Samuel Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Samuel Thomas
Head · 1940 · age 58 · b. ~1882 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carrie Gross | 52 | Housekeeper | Housekeeper | Maryland |
| 2 | Saletta Sr. M. Nolan | 57 | Head | Teacher | New York |
| 3 | Companion Pieta Sr. M. | None | F | St Mary School | — |
| 4 | Companion Bede Sr. M. | None | F | St Mary School | — |
| 5 | Companion Assumpta Sr. M. | None | F | St Mary School | — |
| 6 | Companion Perfecta Sr. M. | None | F | St Mary School | — |
| 7 | Companion Annunciata Sr. M. | None | F | St Mary School | — |
| 8 | Companion Herbert Sr. M. | None | F | St Mary School | — |
| 9 | Companion Augustus Sr. M. | None | F | St Mary School | — |
| 10 | Companion Aletia Sr. M. | None | F | St Mary School | — |
| 11 | Amelia Booth | 42 | Housekeeper | Cook | Maryland |
| 12 | Arthur Butler | 38 | Head | Sexton | Maryland |
| 13 | Rena Butler | 25 | Wife | — | Maryland |
| 14 | John F. Butler | 4 | Son | — | Maryland |
| 15 | James H. Butler | 2 | Son | — | Maryland |
| 16 | Roosevelt Thompson | 36 | Head | Road | Maryland |
| 17 | Alice Thompson | 35 | Wife | — | Maryland |
| 18 | William Chase | 8 | Nephew | — | Maryland |
| 19 | Edward J. Edelen | 52 | Head | Attorney At Law | Maryland |
| 20 | Alma S. Edelen | 49 | Wife | — | Maryland |
| 21 | Kathryn Edelen | 20 | Daughter | — | Maryland |
| 22 | Richard H. Edelen | 17 | Son | — | Maryland |
| 23 | Mary Rose Edelen | 14 | Daughter | — | Maryland |
| 24 | Margaret A. Edelen | 12 | Daughter | — | Maryland |
| 25 | Sophia Mudd | 88 | Mother-in-law | — | Maryland |
| 26 | Samuel Thomas THIS PERSON | 58 | Head | Farmer | Maryland |
| 27 | Viola Thomas | 42 | Wife | Helper | Maryland |
| 28 | Eva Thomas | 18 | Daughter | Helper | Maryland |
| 29 | Laura Thomas | 16 | Daughter | — | Maryland |
| 30 | Elridge Thomas | 14 | Son | — | Maryland |
| 31 | Amy Thomas | 11 | Daughter | — | Maryland |
| 32 | Viola Thomas | 8 | Daughter | — | Maryland |
| 33 | Ernest Stewart | 29 | Son-in-law | Laborer | Washington D.C. |
| 34 | Ruth Stewart | 21 | Daughter | — | Maryland |
| 35 | Elva Stewart | 7 | Granddaughter | — | Maryland |
| 36 | Thomas Stewart | 4 | Grandson | — | Maryland |
| 37 | Richard Stewart | 2 | Grandson | — | Maryland |
| 38 | Elaine Stewart | 1 | Granddaughter | — | Maryland |
| 39 | Melvin Garner | 32 | Head | Plasterer | Maryland |
| 40 | Virginia Garner | 53 | Wife | — | Maryland |
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)