TB
Thomas Butler — 1940 US Census Record
Model Tree available1940 United States Federal Census · Prince-George'S-County, Maryland
Our Model Tree links this Thomas Butler across the 1910, 1920, 1930 and 1940 US Censuses in Prince-George'S-County, Maryland (XGBoost, ~Confirmed), with identified parents James & James — first a head (b.~1906), then head of a 7-person household.
Age 34
b. ~1906
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Prince-George'S-County, Maryland |
| Surname | Butler |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Forestville |
| 1935 Residence (County) | Prince George |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Union Market |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 936 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Truck Driver |
| Township / Ward | Forestville |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Phyllis Lloyd | Daughter | — | 4 | ~1936 |
| Beverly Lloyd | Daughter | — | 3 | ~1937 |
| Calvin Lloyd | Daughter | — | ~1940 | |
| Thomas Butler | Head | — | 34 | ~1906 |
| Donald Lloyd | Son | — | 6 | ~1934 |
| Son Lloyd | Son | — | 9 | ~1931 |
| Ella Butler | Spouse | — | 24 | ~1916 |
Census Appearances
1910
X, District …
Son, age 5
X, District of Columbia · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Thomas L. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Prince Georges, …
Son, age 14
Prince Georges, Maryland · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Thomas T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Truck Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Prince Georges, …
Son, age 24
Prince Georges, Maryland · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Butler |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| 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
Prince-George'S-County, Maryland
Head, age 34
Prince-George'S-County, Maryland · implied b. ~1906 — 7 household members
| Surname | Butler |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Forestville |
| 1935 Residence (County) | Prince George |
| Occupation | Truck Driver |
| Industry | Union Market |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 936 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 Thomas Butler across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father James Butler (~0.92 confidence) and father James Butler (~0.92 confidence) and mother Grace Butler (~0.92 confidence) and father Benjamin Butler (~0.92 confidence) and mother Gillie Butler (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Butler
b. ~1873
Source father
● Household
· direct · ~0.92
Father
James Butler
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Grace Butler
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Benjamin Butler
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Gillie Butler
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Butler
Head · 1940 · age 34 · b. ~1906 · 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 — Prince-George'S-County, Maryland
Open full size
1940 US Federal Census — Prince-George'S-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01556-00607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Love | 49 | Wife | Clerk | Maryland |
| 2 | Lillian Ward | 18 | Servant | Servant | Maryland |
| 3 | Emily D. Contee | 76 | Head | — | Maryland |
| 4 | Sarah Holmes | 13 | Daughter | — | Maryland |
| 5 | Shirley Holmes | 8 | Daughter | — | Maryland |
| 6 | Mary Bell | 74 | Companion | — | Virginia |
| 7 | Mamie D. Alexander | 51 | Head | — | Maryland |
| 8 | Eugenia D. Moore | 54 | Head | — | Maryland |
| 9 | Raymond Moore | 17 | Son | Attendant | Maryland |
| 10 | Joseph Grim | 30 | Son in law | Case Inspector | Penna. |
| 11 | Alice Grim | 28 | Daughter | — | Maryland |
| 12 | Ruth M. Grim | 5 | Granddaughter | — | Maryland |
| 13 | Charles Spriggs | 35 | Head | Operator | Maryland |
| 14 | John Rev. Hill | 57 | Head | Minister | N. Carolina |
| 15 | Mary Hill | 42 | Wife | — | Maryland |
| 16 | Robert D. Parker | 55 | Head | — | D.C. |
| 17 | Richard Phillips | 65 | Cousin | — | D.C. |
| 18 | William Proctor | 52 | Head | — | Maryland |
| 19 | Mary Proctor | 51 | Wife | — | Maryland |
| 20 | Mabel Proctor | 16 | Daughter | — | Maryland |
| 21 | Eugene Butler | 8 | Grandson | Maid | D.C. |
| 22 | Thomas Butler | 6 | Grandson | — | D.C. |
| 23 | Thomas Butler THIS PERSON | 34 | Head | Truck Driver | Maryland |
| 24 | Ella D. Butler | 24 | Wife | — | Maryland |
| 25 | Son Lloyd | 9 | Son | — | D.C. |
| 26 | Donald Lloyd | 6 | Son | — | D.C. |
| 27 | Phyllis Lloyd | 4 | Daughter | — | D.C. |
| 28 | Beverly Lloyd | 3 | Daughter | — | D.C. |
| 29 | Calvin Lloyd | 0 | Daughter | — | D.C. |
| 30 | Thomas D. Dent | 61 | Head | Laborer | Maryland |
| 31 | Hattie Dent | 53 | Wife | — | Maryland |
| 32 | Charles Ed. Moore | 33 | Head | Pitman | Maryland |
| 33 | Edna Moore | 29 | Wife | — | Maryland |
| 34 | Vincent Moore | 13 | Son | — | Maryland |
| 35 | Geraldine Moore | 8 | Daughter | — | D.C. |
| 36 | Shirley Moore | 5 | Daughter | — | D.C. |
| 37 | Charles Jr. Moore | 2 | Son | — | D.C. |
| 38 | William E. Troone | 54 | Head | Laborer | Maryland |
| 39 | Mary S. Troone | 55 | Wife | — | Maryland |
| 40 | Robert Troone | 16 | Son | Laborer | Maryland |
Pedigree Summary
Thomas
Gen 1 · 5 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)