PT
Pearl Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Pearl Thomas across the 1920, 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed), with identified parents Henrietta & William — first a daughter (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Thomas |
| Given Name | Pearl |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | 6th District |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 6Th District |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Pearl | Age | Birth yr |
|---|---|---|---|---|
| Paul Thomas | Son | — | 2 | ~1938 |
| Henrietta Thomas | Spouse | — | 53 | ~1887 |
| Philip Thomas | Son | — | 21 | ~1919 |
| Ruth Thomas | Daughter | — | 24 | ~1916 |
| Pearl Thomas | Daughter | — | 21 | ~1919 |
| Adrian Thomas | Son | — | 10 | ~1930 |
| Lawrence Thomas | Son | — | 12 | ~1928 |
| Bertha Thomas | Daughter | — | 14 | ~1926 |
| William Thomas | Head | — | 56 | ~1884 |
Census Appearances
1920
Charles, Maryland
Daughter, age 3
Charles, Maryland · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Pearl Beatrice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Charles, Maryland
Daughter, age 11
Charles, Maryland · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Pearl |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| 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
Charles-County, Maryland
Daughter, age 21
Charles-County, Maryland · implied b. ~1919 — 9 household members
| Surname | Thomas |
| Given Name | Pearl |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | 6th District |
| 1935 Residence (County) | Charles |
| Highest Grade | 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 Pearl Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Henrietta Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and father Hellen Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and mother Henrietta Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Henrietta Thomas
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
William Thomas
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Hellen Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Father
William Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Henrietta Thomas
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Pearl Thomas
Daughter · 1940 · age 21 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Paul Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Thomas
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adrian Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thomas
Sibling · 1940 · age 24
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 — 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-t0627-01546-00264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia M Cox | 22 | daughter | Clerk | Maryland |
| 2 | James D Cox | 19 | son | Clerk | Maryland |
| 3 | Mary E Cox | 16 | daughter | — | Maryland |
| 4 | Albert R Cox | 13 | son | — | Maryland |
| 5 | Samuel Johnson | 49 | Head | Laborer | Maryland |
| 6 | George S Garner | 49 | Head | Farmer | Maryland |
| 7 | Annie S Garner | 51 | wife | — | Maryland |
| 8 | Rudolph Garner | 20 | son | Farmer | Maryland |
| 9 | Charles E Garner | 13 | nephew | — | Maryland |
| 10 | Catherine Garner | 53 | sister | — | Maryland |
| 11 | William J Thomas | 56 | Head | Farmer | Maryland |
| 12 | Henrietta Thomas | 53 | wife | — | Maryland |
| 13 | Ruth Thomas | 24 | daughter | — | Maryland |
| 14 | Philip Thomas | 21 | son | Farmer | Maryland |
| 15 | Pearl Thomas THIS PERSON | 21 | daughter | — | Maryland |
| 16 | Bertha Thomas | 14 | daughter | — | Maryland |
| 17 | Lawrence Thomas | 12 | son | — | Maryland |
| 18 | Adrian Thomas | 10 | son | — | Maryland |
| 19 | Paul Thomas | 2 | son | — | Maryland |
| 20 | Victor B Bowling | 37 | Head | Partner | Maryland |
| 21 | Evelyn G Bowling | 37 | wife | — | Maryland |
| 22 | Patricia S Bowling | 11 | daughter | — | Maryland |
| 23 | Victor B Jr Bowling | 10 | son | — | Maryland |
| 24 | Samuel G Bowling | 8 | son | — | D.C. |
| 25 | Ann S Bowling | 7 | daughter | — | Maryland |
| 26 | Hannah Parram | 21 | servant | Maid | Maryland |
| 27 | Philip W Richards | 44 | Head | Farmer | D.C. |
| 28 | Hazel B Richards | 31 | wife | — | D.C. |
| 29 | Hazel A Richards | 15 | daughter | — | Maryland |
| 30 | Mary E Richards | 11 | daughter | — | Maryland |
| 31 | Claire L Richards | 9 | daughter | — | Maryland |
| 32 | Alice J Richards | 5 | daughter | — | Maryland |
| 33 | William S Richards | 83 | father | — | D.C. |
| 34 | William E B Robey | 70 | Head | Farmer | Maryland |
| 35 | Mamie C Robey | 69 | wife | — | Maryland |
| 36 | Edward V Robey | 45 | son | — | Maryland |
| 37 | Guy A Willett | 67 | Head | — | Maryland |
| 38 | Ella Mae Willett | 61 | wife | — | Maryland |
| 39 | Alan G Willett | 33 | son | Soldier | Maryland |
| 40 | Glenn W Smith | 41 | Head | Shop Man | Maryland |
Pedigree Summary
Pearl + 6 siblings
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)