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Benjamin Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Howard-County, Maryland
Our Model Tree links this Benjamin Thomas across the 1920, 1930 and 1940 US Censuses in Howard-County, Maryland (XGBoost, ~Confirmed), with identified parents Charles & Alice — first a son (b.~1913), then head of a 10-person household.
Age 27
b. ~1913
Male
Son
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Howard-County, Maryland |
| Surname | Thomas |
| Given Name | Benjamin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3 |
| 1935 Residence (County) | Howard |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. Project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Election District 3 |
| Est. Birth Year | ~1913 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Benjamin | Age | Birth yr |
|---|---|---|---|---|
| William Thomas | Son | — | 13 | ~1927 |
| Benjamin Thomas | Son | — | 27 | ~1913 |
| Effie Thomas | Other | — | 22 | ~1918 |
| Charles Thomas | Head | — | 61 | ~1879 |
| Benjamin Thomas | Other | — | 4 | ~1936 |
| Ethel Thomas | Daughter | — | 12 | ~1928 |
| Alice Thomas | Spouse | — | 49 | ~1891 |
| Dorothy Hardon | Daughter | — | 14 | ~1926 |
| Doris Thomas | Other | — | 2 | ~1938 |
| William Hardon | Other | — | 26 | ~1914 |
Census Appearances
1920
Montgomery, Maryland
Other, age 6
Montgomery, Maryland · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Bernard |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Howard, Maryland
Other, age 16
Howard, Maryland · implied b. ~1914 — 47 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Bernard |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Howard-County, Maryland
Son, age 27
Howard-County, Maryland · implied b. ~1913 — 10 household members
| Surname | Thomas |
| Given Name | Benjamin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3 |
| 1935 Residence (County) | Howard |
| Occupation | Laborer |
| Industry | W.P.A. Project |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| 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 Benjamin Thomas across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Charles Thomas (~0.92 confidence) and mother Alice Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thomas
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Alice Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Benjamin Thomas
Son · 1940 · age 27 · b. ~1913 · Maryland
★ You are viewing this record
Sibling
Ethel Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Hardon
Sibling · 1940 · age 14
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 — Howard-County, Maryland
Open full size
1940 US Federal Census — Howard-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01552-00245)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Bowman | 40 | Wife | — | Maryland |
| 42 | Samuel Bowman | 20 | Son | — | Maryland |
| 43 | John Bowman | 18 | Son | — | Maryland |
| 44 | John Bowman | 70 | Father | — | Maryland |
| 45 | Charles Thomas | 61 | Head | Laborer | Maryland |
| 46 | Alice S Thomas | 49 | Wife | Nurse | Maryland |
| 47 | William Thomas | 13 | Son | — | Maryland |
| 48 | Ethel Thomas | 12 | Daughter | — | Maryland |
| 49 | Benjamin Thomas THIS PERSON | 27 | Son | Laborer | Maryland |
| 50 | Effie Thomas | 22 | Daughter-in-law | — | Maryland |
| 51 | Benjamin Jr Thomas | 4 | Grandson | — | Maryland |
| 52 | Doris Thomas | 2 | Granddaughter | — | Maryland |
| 53 | William Hardon | 26 | Son-in-law | Laborer | Maryland |
| 54 | Dorothy Hardon | 14 | Daughter | — | Maryland |
| 55 | Charles Kilgore | 58 | Head | Blacksmith | Pennsylvania |
| 56 | Leula Kilgore | 62 | Wife | — | Maryland |
| 57 | Charles D Linton | 65 | Head | Laborer | Maryland |
| 58 | May Linton | 61 | Wife | — | Maryland |
| 59 | Benjamin Ridgely | 48 | Son-in-law | Chauffeur | Maryland |
| 60 | Nettie Ridgely | 48 | Daughter | — | Maryland |
| 61 | Herbert Ridgely | 15 | Grandson | — | Maryland |
| 62 | Robert Ridgely | 12 | Grandson | — | Maryland |
| 63 | Raymond Ridgely | 9 | Grandson | — | Maryland |
| 64 | Donald Ridgely | 5 | Grandson | — | Maryland |
| 65 | Darrell Ridgely | 3 | Grandson | — | Maryland |
| 66 | Edward Dansinger | 51 | Head | Attendant | Maryland |
| 67 | Gertrude Dansinger | 50 | Wife | — | Maryland |
| 68 | Gilbert Shipley | 27 | Head | Laborer | Maryland |
| 69 | Harriet M Shipley | 26 | Wife | — | Maryland |
| 70 | Shirley Shipley | 3 | Daughter | — | Maryland |
| 71 | Charlotte Shipley | 2 | Daughter | — | Maryland |
| 72 | Howard W Scott | 66 | Head | Bookkeeper | Maryland |
| 73 | Claudine D Scott | 62 | Wife | — | Maryland |
| 74 | Otto B Ebert | 78 | Head | — | Maryland |
| 75 | Mary S Ebert | 70 | Wife | — | Maryland |
| 76 | Robert Day | 59 | Head | Game Warden | Maryland |
| 77 | Clara Day | 57 | Wife | — | Maryland |
| 78 | Marshall Day | 29 | Son | Farmer | Maryland |
| 79 | Humphrey Day | 10 | Son | — | Maryland |
| 80 | Betty Day | 8 | Daughter | — | Maryland |
Pedigree Summary
Benjamin + 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)