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Alice Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Alice Thomas across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 13-person household.
Age 14
b. ~1926
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Thomas |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Marbury |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Marbury |
| Est. Birth Year | ~1926 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Margie Thomas | Daughter | — | 6 | ~1934 |
| Zelda Thomas | Daughter | — | 16 | ~1924 |
| Pauline Thomas | Daughter | — | 8 | ~1932 |
| Alice Thomas | Daughter | — | 14 | ~1926 |
| Flaene Thomas | Daughter | — | 11 | ~1929 |
| Samuel Thomas | Head | — | 39 | ~1901 |
| Preston Washington | Other | — | 45 | ~1895 |
| Lulie Posey | Other | — | 25 | ~1915 |
| Randolph Posey | Other | — | 24 | ~1916 |
| William Thomas | Son | — | 2 | ~1938 |
| Leroy Thomas | Son | — | 28 | ~1912 |
| George Thomas | Son | — | 18 | ~1922 |
| Sarah Thomas | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Charles, Maryland
Daughter, age 4
Charles, Maryland · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Daughter, age 14
Charles-County, Maryland · implied b. ~1926 — 13 household members
| Surname | Thomas |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Marbury |
| 1935 Residence (County) | Charles |
| 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 Alice Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Thomas
Daughter · 1940 · age 14 · b. ~1926 · Maryland
★ You are viewing this record
Sibling
George Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margie Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zelda Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Flaene Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Thomas
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Thomas
Sibling · 1940 · age 8
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-t0627-01546-00481)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katie Swann | 50 | Head | Maid | Maryland |
| 2 | Isadora Lawson | 19 | Daughter | Maid | Maryland |
| 3 | Mildred Brown | 5 | Daughter | — | Washington D.C. |
| 4 | Carrie Wheeler | 62 | Head | — | Maryland |
| 5 | Chester Miller | 37 | Head | Fireman | Virginia |
| 6 | Mary E. Miller | 33 | Wife | — | Virginia |
| 7 | Mitchell Miller | 13 | Son | — | Virginia |
| 8 | Ellen Miller | 12 | Daughter | — | Virginia |
| 9 | James Miller | 11 | Son | — | Virginia |
| 10 | Alice J. Miller | 4 | Daughter | — | Virginia |
| 11 | Joyce E. Miller | 4 | Daughter | — | Virginia |
| 12 | Maurice Clark | 31 | Head | Track Hand | Virginia |
| 13 | Emmone Clark | 24 | Wife | — | Virginia |
| 14 | Charles W. Clark | 3 | Son | — | Virginia |
| 15 | Peggy J. Clark | 4 | Daughter | — | Virginia |
| 16 | Norma Lou Clark | 2 | Daughter | — | Virginia |
| 17 | George E. Jr. Washington | 43 | Head | Attendant | Maryland |
| 18 | Edmonia Washington | 40 | Wife | — | Maryland |
| 19 | Richard B. Washington | 22 | Son | Stenographer | Maryland |
| 20 | George G. Washington | 18 | Son | — | Maryland |
| 21 | Robert Washington | 17 | Son | — | Maryland |
| 22 | Harry Washington | 14 | Son | — | Maryland |
| 23 | Mckinley Washington | 11 | Son | — | Maryland |
| 24 | Mary Washington | 10 | Daughter | — | Maryland |
| 25 | Walter Washington | 7 | Son | — | Maryland |
| 26 | Helen Washington | 3 | Daughter | — | Maryland |
| 27 | Samuel Thomas | 39 | Head | Laborer | Maryland |
| 28 | Sarah Thomas | 39 | Wife | — | Maryland |
| 29 | Leroy Thomas | 28 | Son | Laborer | Maryland |
| 30 | George Thomas | 18 | Son | — | Maryland |
| 31 | Zelda Mae Thomas | 16 | Daughter | — | Maryland |
| 32 | Alice Thomas THIS PERSON | 14 | Daughter | — | Maryland |
| 33 | Flaene Thomas | 11 | Daughter | — | Maryland |
| 34 | Pauline Thomas | 8 | Daughter | — | Maryland |
| 35 | Margie Thomas | 6 | Daughter | — | Maryland |
| 36 | William Thomas | 2 | Son | — | Maryland |
| 37 | Randolph Posey | 24 | Nephew | — | Maryland |
| 38 | Lulie Posey | 25 | Niece | Maid | Maryland |
| 39 | Preston Washington | 45 | Brother-in-law | Carpenter | Maryland |
| 40 | John L. Watson | 34 | Head | Attendant | Washington D.C. |
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)