DG
Dorothy Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Dorothy Gray across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents James & Walter — first a daughter (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Female
Daughter
Born: MARYLAND
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | GRAY |
| Given Name | DOROTHY |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | MARYLAND |
| Father's Birthplace | MARYLAND |
| Mother's Birthplace | MARYLAND |
| Additional Details | |
| Occupation | WASH-IRON |
| Industry | PRIVATE FAM |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Wash-Iron |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Reese Gray | Son | — | 9 | ~1921 |
| Clarence Gray | Son | — | 26 | ~1904 |
| Walter Gray | Head | — | 51 | ~1879 |
| Dorothy Gray | Daughter | — | 20 | ~1910 |
| Elsie Gray | Daughter | — | 18 | ~1912 |
| Elizabeth Gray | Daughter | — | 6 | ~1924 |
| Bessie Gray | Other | — | 44 | ~1886 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 11
Baltimore, Maryland · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 20
Baltimore, Maryland · implied b. ~1910 — 7 household members
| Surname | GRAY |
| Given Name | DOROTHY |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | MARYLAND |
| Father's Birthplace | MARYLAND |
| Mother's Birthplace | MARYLAND |
| Occupation | WASH-IRON |
| Industry | PRIVATE FAM |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Spouse, age 30
Baltimore-City-County, Maryland · implied b. ~1910 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Daisy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Occupation | Domestic |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 91 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Gray (~0.92 confidence) and father Walter Gray (~0.92 confidence) and mother Annie Gray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Gray
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Walter Gray
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Annie Gray
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Gray
Daughter · 1930 · age 20 · b. ~1910 · Maryland
★ You are viewing this record
Sibling
Clarence Gray
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Gray
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Gray
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reese Gray
Sibling · 1930 · age 9
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
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
41 people indexed on this census page (ia:1930:15thcensus864unit:0980)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Nettie Garner | 18 | ROOMER | None | MARYLAND |
| 52 | Ethel Griffin | 34 | HEAD | None | N. CAROLINA |
| 53 | Roy Stewart | 32 | BROTHER | Driver | N. CAROLINA |
| 54 | Sadie Stewart | 25 | SISTER | None | N. CAROLINA |
| 55 | Cardillo Griffin | 15 | SON | None | N. CAROLINA |
| 56 | Ina Griffin | 10 | DAUGHTER | None | MARYLAND |
| 57 | Thomas Stewart | 10 | NEPHEW | None | VIRGINIA |
| 58 | Elizabeth Stewart | 8 | NIECE | None | MARYLAND |
| 59 | Elmer Banks | 9 | NEPHEW | None | N. CAROLINA |
| 60 | Nephew Mclee | 7 | NEPHEW | None | N. CAROLINA |
| 61 | William Wardlaw | 40 | HEAD | Laborer | S. CAROLINA |
| 62 | Maggie Wardlaw | 35 | WIFE H | None | S. CAROLINA |
| 63 | Lucille Wardlaw | 17 | DAUGHTER | None | S. CAROLINA |
| 64 | Curtis Wardlaw | 8 | SON | None | S. CAROLINA |
| 65 | George Wardlaw | 3 | SON | None | MARYLAND |
| 66 | Samuel Wilson | 38 | HEAD | Wagon Driver | MARYLAND |
| 67 | Lucy Wilson | 53 | HEAD | Housekeeper | VIRGINIA |
| 68 | Thomas Wilson | 60 | HUSBAND | Laborer | GEORGIA |
| 69 | Elizabeth Huggins | 53 | ROOMER H | None | VIRGINIA |
| 70 | Thomas Price | 34 | ROOMER | Brick Layer | N. CAROLINA |
| 71 | Ida Price | 32 | ROOMER | None | N. CAROLINA |
| 72 | Robert Sheldon | 40 | HEAD | Helper | VIRGINIA |
| 73 | Alice Sheldon | 41 | WIFE H | None | VIRGINIA |
| 74 | William W Sheldon | 22 | SON | None | VIRGINIA |
| 75 | Paul Sheldon | 19 | SON | None | VIRGINIA |
| 76 | Dorothy Sheldon | 7 | DAUGHTER | None | VIRGINIA |
| 77 | Michael Jr. Sheldon | 5 | SON | None | VIRGINIA |
| 78 | Walter Gray | 51 | HEAD | Driver | MARYLAND |
| 79 | Bessie Gray | 44 | WIFE H | None | MARYLAND |
| 80 | Clarence Gray | 26 | SON | Driver | MARYLAND |
| 81 | Dorothy Gray THIS PERSON | 20 | DAUGHTER | Wash-Iron | MARYLAND |
| 82 | Elsie Gray | 18 | DAUGHTER | Wash-Iron | MARYLAND |
| 83 | Reese Gray | 9 | SON | None | MARYLAND |
| 84 | Elizabeth Gray | 6 | DAUGHTER | None | MARYLAND |
| 85 | Basil Wilson | 65 | HEAD | Janitor | MARYLAND |
| 86 | Susie Wilson | 49 | WIFE H | None | MARYLAND |
| 87 | Samuel Blumstein | 32 | HEAD | Storekeeper | RUSSIA |
| 88 | Eva Blumstein | 30 | WIFE H | None | RUSSIA |
| 89 | Esther Blumstein | 10 | DAUGHTER | None | FRANCE |
| 90 | Sylvia Blumstein | 8 | DAUGHTER | None | NEW YORK |
| 91 | Minnie Blumstein | 1 | DAUGHTER | None | MARYLAND |
Pedigree Summary
Dorothy + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)