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Dorothy Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calvert-County, Maryland
Our Model Tree links this Dorothy Gray across the 1930 and 1940 US Censuses in Calvert-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 9-person household.
Age 24
b. ~1916
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calvert-County, Maryland |
| Surname | Gray |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 1 Solomon's Island |
| 1935 Residence (County) | Calvert |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 1 Solomons Island |
| Est. Birth Year | ~1916 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Janice Gray | Daughter | — | 13 | ~1927 |
| Mazie Gray | Daughter | — | 5 | ~1935 |
| Margaret Gray | Spouse | — | 40 | ~1900 |
| Deak Gray | Son | — | 18 | ~1922 |
| Lyora Gray | Daughter | — | 8 | ~1932 |
| Dorothy Gray | Daughter | — | 24 | ~1916 |
| Carroll Gray | Son | — | 11 | ~1929 |
| Willis Gray | Head | — | 50 | ~1890 |
| Butler Gray | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Calvert, Maryland
Daughter, age 14
Calvert, Maryland · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| 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
Calvert-County, Maryland
Daughter, age 24
Calvert-County, Maryland · implied b. ~1916 — 9 household members
| Surname | Gray |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 1 Solomon's Island |
| 1935 Residence (County) | Calvert |
| 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 Dorothy Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Gray
Daughter · 1940 · age 24 · b. ~1916 · Maryland
★ You are viewing this record
Sibling
Lyora Gray
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Butler Gray
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carroll Gray
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mazie Gray
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janice Gray
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Deak Gray
Sibling · 1940 · age 18
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 — Calvert-County, Maryland
Open full size
1940 US Federal Census — Calvert-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01543-00060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Gros | 10 | Daughter | — | Maryland |
| 2 | John W Gros | 7 | Son | — | Maryland |
| 3 | Mary Gros | 1 | Daughter | — | Maryland |
| 4 | Liza J Johnson | 57 | Head | — | Maryland |
| 5 | Quen Edward Johnson | 56 | Boarder | Laborer | Maryland |
| 6 | Higgis Johnson | 41 | Son | Laborer | Maryland |
| 7 | Gurley Johnson | 30 | Head | Farmer | Maryland |
| 8 | Carrie Johnson | 29 | Wife | — | Maryland |
| 9 | Gurley J Johnson | 12 | Son | — | Maryland |
| 10 | Charlotte Johnson | 11 | Daughter | — | Maryland |
| 11 | Joseph Johnson | 9 | Son | — | Maryland |
| 12 | Ruth Johnson | 7 | Daughter | — | Maryland |
| 13 | Edward Johnson | 5 | Son | — | Maryland |
| 14 | Wilson Johnson | 3 | Son | — | Maryland |
| 15 | Mabel Johnson | 1 | Daughter | — | Maryland |
| 16 | Albert Johnson | 28 | Head | Farmer | Maryland |
| 17 | Ernestine Johnson | 20 | Wife | — | Maryland |
| 18 | James Johnson | 4 | Son | — | Maryland |
| 19 | John A Johnson | 2 | Son | — | Maryland |
| 20 | Thomas Johnson | 1 | Son | — | Maryland |
| 21 | Guy Murray | 47 | Head | Farmer | Maryland |
| 22 | Willis Gray | 50 | Head | Farmer | Maryland |
| 23 | Margaret Gray | 40 | Wife | — | Maryland |
| 24 | Dorothy Gray THIS PERSON | 24 | Daughter | — | Maryland |
| 25 | Butler Gray | 20 | Daughter | Laborer | Maryland |
| 26 | Deak Gray | 18 | Son | Laborer | Maryland |
| 27 | Janice Gray | 13 | Daughter | — | Maryland |
| 28 | Carroll Gray | 11 | Son | — | Maryland |
| 29 | Lyora Gray | 8 | Daughter | — | Maryland |
| 30 | Mazie Gray | 5 | Daughter | — | Maryland |
| 31 | Toll Gray | 67 | Head | Farmer | Maryland |
| 32 | Francis Gray | 64 | Wife | — | Maryland |
| 33 | William Pardoe | 58 | Head | Farmer | Maryland |
| 34 | Clara Wolfe Pardoe | 56 | Wife | — | Maryland |
| 35 | Mary E Pardoe | 32 | Daughter | — | Maryland |
| 36 | Annie C Pardoe | 29 | Daughter | — | Maryland |
| 37 | William E Pardoe | 27 | Son | Laborer | Maryland |
| 38 | Elsie E Pardoe | 23 | Daughter | — | Maryland |
| 39 | Rogue L Pardoe | 19 | Son | Laborer | Maryland |
| 40 | Le Roy Pardoe | 15 | Son | Laborer | Maryland |
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)