HT
Henry Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harford-County, Maryland
Our Model Tree links this Henry Thomas across the 1920, 1930 and 1940 US Censuses in Harford-County, Maryland (XGBoost, ~Confirmed), with identified parents Thomas & Augusta — first a head (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harford-County, Maryland |
| Surname | Thomas |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3, Bel Air |
| 1935 Residence (County) | Harford |
| Additional Details | |
| Occupation | Technician & Farmer |
| Industry | OA |
| Class of Worker | 150 |
| Hours Worked | 40 |
| Highest Grade | G 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Technician & Farmer |
| Township / Ward | Election District 3 Bel Air |
| Est. Birth Year | ~1884 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Henry Thomas | Head | — | 56 | ~1884 |
| James Thomas | Son | — | 20 | ~1920 |
| Melvin Thomas | Son | — | 19 | ~1921 |
| Mary Thomas | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Harford, Maryland
Son, age 35
Harford, Maryland · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Miller |
| Industry | Flour Mill |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Harford, Maryland
Head, age 46
Harford, Maryland · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 34 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Harford-County, Maryland
Head, age 56
Harford-County, Maryland · implied b. ~1884 — 4 household members
| Surname | Thomas |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 3, Bel Air |
| 1935 Residence (County) | Harford |
| Occupation | Technician & Farmer |
| Industry | OA |
| Class of Worker | 150 |
| Hours Worked | 40 |
| Highest Grade | G 3 |
| 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 Henry Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Thomas (~0.92 confidence) and mother Augusta Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Thomas
b. ~1847
Source father
● Household
· direct · ~0.92
Mother
Augusta Thomas
b. ~1853
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Henry Thomas
Head · 1940 · age 56 · b. ~1884 · Maryland
★ 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 — Harford-County, Maryland
Open full size
1940 US Federal Census — Harford-County, Maryland
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01551-00558)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | R. Bennett Edwards | 33 | Head | Farmer | Illinois |
| 2 | Mildred Edwards | 33 | Wife | — | Virginia |
| 3 | Royce Edwards | 9 | Son | — | Maryland |
| 4 | Ella Mae Edwards | 7 | Daughter | — | Maryland |
| 5 | Wm. Albert Baules | 54 | Head | Laborer | Maryland |
| 6 | Mary Alice Baules | 27 | Daughter in law | — | Maryland |
| 7 | Lois Baules | 7 | Granddaughter | — | Maryland |
| 8 | Helena Baules | 5 | Granddaughter | — | Maryland |
| 9 | William A. Baules | 29 | Son | Laborer | Maryland |
| 10 | Lewis Hewitt | 27 | Head | Laborer | Maryland |
| 11 | Rosy Hewitt | 29 | Wife | — | Georgia |
| 12 | Richard Fitzgerald | 52 | Lodger | Laborer | Virginia |
| 13 | John Gesting | 35 | Head | Farmer | Maryland |
| 14 | Mary Gesting | 24 | Wife | — | Maryland |
| 15 | Judith Ann Gesting | 1 | Daughter | — | Maryland |
| 16 | Perry Barbie | 30 | Head | Laborer | Virginia |
| 17 | Emma Barbie | 52 | Mother | — | Virginia |
| 18 | Betty Caldwell | 24 | Sister | Welfare | Virginia |
| 19 | Phillip Caldwell | 5 | Nephew | — | Maryland |
| 20 | Ruth Caldwell | 2 | Granddaughter | — | Maryland |
| 21 | Betty Caldwell | 0 | Granddaughter | — | Maryland |
| 22 | Joseph Been | 53 | Head | Quarry | Maryland |
| 23 | Anna Been | 44 | Wife | Manager | Austria |
| 24 | Alma Been | 25 | Daughter | Junior Stenographer | Maryland |
| 25 | John Been | 18 | Son | — | Maryland |
| 26 | Charles Been | 15 | Son | — | Maryland |
| 27 | Mildred Been | 13 | Daughter | — | Maryland |
| 28 | Henry C. Bowker | 45 | Head | — | Czechoslovakia |
| 29 | Bessie Bowker | 45 | Wife | — | Czechoslovakia |
| 30 | Henrietta Bowker | 19 | Daughter | Stenographer | Maryland |
| 31 | Jerome Bowker | 15 | Son | — | Maryland |
| 32 | Mildred Bowker | 11 | Daughter | — | Maryland |
| 33 | Henry Bowker | 9 | Son | — | Maryland |
| 34 | Henry Thomas THIS PERSON | 56 | Head | Technician & Farmer | Maryland |
| 35 | Mary M. Thomas | 54 | Wife | — | Maryland |
| 36 | James A. Thomas | 20 | Son | Assembler | Maryland |
| 37 | Melvin B. Thomas | 19 | Son | — | Maryland |
Pedigree Summary
Henry
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)