ET
Evelyn Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Evelyn Thomas across the 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Thomas |
| Given Name | Evelyn V |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. No. 8 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Hours Worked | 5 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election Dist No 8 |
| Est. Birth Year | ~1928 |
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 Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Grace Thomas | Daughter | — | 7 | ~1933 |
| Ralph Thomas | Son | — | 9 | ~1931 |
| Mary Thomas | Daughter | — | 2 | ~1938 |
| Ralph Thomas | Head | — | 38 | ~1902 |
| Frances Thomas | Daughter | — | 16 | ~1924 |
| Evelyn Thomas | Daughter | — | 12 | ~1928 |
| Audrey Thomas | Daughter | — | 4 | ~1936 |
| Dorothy Thomas | Daughter | — | 14 | ~1926 |
| Clara Thomas | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 3
Baltimore, Maryland · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Daughter, age 12
Baltimore-County, Maryland · implied b. ~1928 — 9 household members
| Surname | Thomas |
| Given Name | Evelyn V |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. No. 8 |
| 1935 Residence (County) | Baltimore |
| Hours Worked | 5 |
| Highest Grade | Hs 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 Evelyn Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Evelyn Thomas
Daughter · 1940 · age 12 · b. ~1928 · Maryland
★ You are viewing this record
Sibling
Frances Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Thomas
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey 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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01504-00513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H Martin | 33 | head | Farmer | Maryland |
| 2 | Paul Shaeffer | 22 | son | Tire Retreader | Maryland |
| 3 | Helen Shaeffer | 27 | daughter in law | — | Maryland |
| 4 | Marlene Shaeffer | 1 | grand daughter | — | Maryland |
| 5 | Mary Martin | 64 | mother | — | Maryland |
| 6 | Earnest Glover | 41 | head | Laborer | Virginia |
| 7 | Elsie Glover | 40 | wife | — | Maryland |
| 8 | Blair Glover | 18 | son | New Worker | Maryland |
| 9 | Mary (Dead Man) Kelley | 80 | mother in law | — | Scotland |
| 10 | Marvin L Seal | 37 | head | Gardener | Virginia |
| 11 | Florence A Seal | 27 | wife | — | Maryland |
| 12 | James W Seal | 63 | father | Gardener | Virginia |
| 13 | Linda S Seal | 59 | mother | — | Virginia |
| 14 | Lester M Seal | 20 | brother | Gardener | Virginia |
| 15 | William H Clay | 32 | head | Gardener | Maryland |
| 16 | William L Price | 55 | head | Gardener | Maryland |
| 17 | John T Burnham | 43 | head | Carpenter | Maryland |
| 18 | Ruth A Burnham | 37 | wife | — | Maryland |
| 19 | Genevieve E Burnham | 18 | daughter | — | Maryland |
| 20 | Jane L Burnham | 16 | daughter | — | Maryland |
| 21 | John T Burnham | 14 | son | — | Maryland |
| 22 | Edwin S Burnham | 10 | son | — | Maryland |
| 23 | Ruth Elaine Burnham | 7 | daughter | — | Maryland |
| 24 | Eleanor H Burnham | 6 | daughter | — | Maryland |
| 25 | Edna Mae Burnham | 3 | daughter | — | Maryland |
| 26 | Phyllis Ann Burnham | 2 | daughter | — | Maryland |
| 27 | Ralph H Thomas | 38 | head | Carpenter | Maryland |
| 28 | Clara B Thomas | 34 | wife | — | Virginia |
| 29 | Frances C Thomas | 16 | daughter | — | Maryland |
| 30 | Dorothy M Thomas | 14 | daughter | — | Maryland |
| 31 | Evelyn V Thomas THIS PERSON | 12 | daughter | — | Maryland |
| 32 | Ralph Jr. Thomas | 9 | son | — | Maryland |
| 33 | Grace A Thomas | 7 | daughter | — | Maryland |
| 34 | Audrey Thomas | 4 | daughter | — | Maryland |
| 35 | Mary B Thomas | 2 | daughter | — | Maryland |
| 36 | Molly L Greenberry | 73 | head | — | Maryland |
| 37 | John A Jr. Horn | 26 | head | Carpenter | Maryland |
| 38 | Christina Horn | 58 | mother | — | Maryland |
| 39 | Margaret Fallon | 57 | head | — | Maryland |
| 40 | Margaret Powell | 75 | partner | — | Alabama |
Related Census Records
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)