ET
Eva Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this Eva Thomas across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Thomas |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 5, Harris Lot |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 5 Harris Lot |
| Est. Birth Year | ~1929 |
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 Eva | Age | Birth yr |
|---|---|---|---|---|
| Maggie Thomas | Spouse | — | 23 | ~1917 |
| Thomas Courts | Other | — | 87 | ~1853 |
| Grace Thomas | Daughter | — | 2 | ~1938 |
| Robert Thomas | Head | — | 32 | ~1908 |
| Margaret Thomas | Daughter | — | 13 | ~1927 |
| Howard Thomas | Son | — | 16 | ~1924 |
| Mary Thomas | Daughter | — | 4 | ~1936 |
| Eva Thomas | Daughter | — | 11 | ~1929 |
| Thomas Thomas | Son | — | 17 | ~1923 |
| Robert Thomas | Son | — | 7 | ~1933 |
Census Appearances
1930
Charles, Maryland
Other, age 2
Charles, Maryland · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Eva |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Daughter, age 11
Charles-County, Maryland · implied b. ~1929 — 10 household members
| Surname | Thomas |
| Given Name | Eva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 5, Harris Lot |
| 1935 Residence (County) | Charles |
| Highest Grade | No 4 |
| 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 Eva Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Eva Thomas
Daughter · 1940 · age 11 · b. ~1929 · Maryland
★ You are viewing this record
Sibling
Howard Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thomas
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Thomas
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thomas
Sibling · 1940 · age 4
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-t0627-01546-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luciel Hodge | 25 | Wife | Housekeeping | Maryland |
| 2 | Agnes Hodge | 1 | Daughter | — | Maryland |
| 3 | Elene Thomas | 3 | Daughter | — | Maryland |
| 4 | James Rouse | 2 | Lodger | — | Maryland |
| 5 | Robert Thomas | 32 | Head | Farmer | Maryland |
| 6 | Maggie Thomas | 23 | Wife | Housekeeping | Maryland |
| 7 | Margaret Thomas | 13 | Daughter | — | Maryland |
| 8 | Eva Thomas THIS PERSON | 11 | Daughter | — | Maryland |
| 9 | Robert Thomas | 7 | Son | — | Maryland |
| 10 | Mary Thomas | 4 | Daughter | — | Maryland |
| 11 | Grace Thomas | 2 | Daughter | — | Maryland |
| 12 | Thomas Courts | 87 | Father | — | Maryland |
| 13 | Thomas Thomas | 17 | Son | House Boy | Maryland |
| 14 | Howard Thomas | 16 | Son | Farm Laborer | Maryland |
| 15 | William Hamilton | 53 | Head | — | Maryland |
| 16 | John T. Starke | 68 | Head | — | Maryland |
| 17 | Henry Starke | 55 | Brother | — | Maryland |
| 18 | Clarence A. Starke | 70 | Brother | Retired | Maryland |
| 19 | Harry E. Edwards | 61 | Head | Farmer | Maryland |
| 20 | Bernadett Edwards | 61 | Wife | Housekeeping | Maryland |
| 21 | John H. Edwards | 17 | Son | Helper | Maryland |
| 22 | Agnes Shirley | 16 | Lodger | Cook | Maryland |
| 23 | Harvey Hill | 48 | Head | Farm Laborer | Maryland |
| 24 | Julia E. Hill | 42 | Wife | Housework | Maryland |
| 25 | Bernadeth Hill | 19 | Daughter | — | Maryland |
| 26 | Christian Hill | 15 | Son | — | Maryland |
| 27 | Elizabeth Hill | 8 | Daughter | — | Maryland |
| 28 | Ignatius Hill | 1 | Son | — | Maryland |
| 29 | Thomas Chisley | 31 | Head | Farm Laborer | Maryland |
| 30 | Burton Hill | 25 | Lodger | Farm Laborer | Maryland |
| 31 | Dorothy Chisley | 22 | Wife | Housework | Maryland |
| 32 | Emma Thomas | 45 | Head | House Work | Maryland |
| 33 | Walter Thomas | 23 | Son | Farm Laborer | Maryland |
| 34 | William Thomas | 20 | Son | Farm Laborer | Maryland |
| 35 | James Thomas | 17 | Daughter | — | Maryland |
| 36 | Margaret Thomas | 11 | Daughter | — | Maryland |
| 37 | Clarence Thomas | 13 | Son | — | Maryland |
| 38 | Virginia Brown | 6 | Daughter | — | Maryland |
| 39 | Thomas Chisley | 1 | Son | — | Maryland |
| 40 | Ida Thorne | 1 | Daughter | Housework | Maryland |
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)