DB
Dora Brown — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Dora Brown across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Jane & James — first a daughter (b.~1918), then head of a 10-person household.
Age 12
b. ~1918
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Brown |
| Given Name | Dora |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1918 |
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 1930 census.
| Name | Relation to head | Relative to Dora | Age | Birth yr |
|---|---|---|---|---|
| Dora Brown | Daughter | — | 12 | ~1918 |
| Lillie Brown | Daughter | — | 18 | ~1912 |
| Lillie Brown | Daughter | — | 15 | ~1915 |
| Jane Demby | Head | — | 52 | ~1878 |
| Archie Johnson | Other | — | 35 | ~1895 |
| Frederick Scott | Other | — | 49 | ~1881 |
| Edward Saunders | Other | — | 7 | ~1923 |
| Elsa Scott | Other | — | 24 | ~1906 |
| Joseph Sena | Other | — | 47 | ~1883 |
| William Jackson | Son | — | 29 | ~1901 |
Census Appearances
1920
Baltimore, Maryland
Daughter, age 2
Baltimore, Maryland · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Doris |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Daughter, age 12
Baltimore, Maryland · implied b. ~1918 — 10 household members
| Surname | Brown |
| Given Name | Dora |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| 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 |
Head, age 22
Baltimore-City-County, Maryland · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Doris |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | Hs 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 Dora Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Jane Demby (~0.92 confidence) and father James Johnson (~0.92 confidence) and mother Oris Brown (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Jane Demby
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
James Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Oris Brown
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dora Brown
Daughter · 1930 · age 12 · b. ~1918 · Maryland
★ You are viewing this record
Sibling
Lillie Brown
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Jackson
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Brown
Sibling · 1930 · 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
1930 US Federal Census — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
43 people indexed on this census page (ia:1930:15thcensus850unit:0343)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Stevens | 74 | Head | Salesman | Maryland |
| 7 | Charley Pragidick | 41 | Head | Pool Room | Russia |
| 8 | Jane Demby | 52 | Head | Servant | Maryland |
| 9 | Joseph Sena | 47 | Lodger | Laborer | Mexico |
| 10 | Frederick Scott | 49 | Lodger | Salesman | Maryland |
| 11 | Elsa Scott | 24 | Lodger | — | Maryland |
| 12 | William Jackson | 29 | Son | Laborer | Maryland |
| 13 | Archie Johnson | 35 | Lodger | Stevedore | Maryland |
| 14 | Lillie Brown | 18 | Daughter | Waitress | Maryland |
| 15 | Lillie Brown | 15 | Daughter | Waitress | Maryland |
| 16 | Dora Brown THIS PERSON | 12 | Daughter | — | Maryland |
| 17 | Edward Saunders | 7 | Adopted son | — | Maryland |
| 18 | Samuel White | None | Head | Laborer | United States |
| 19 | Nancy White | None | Wife | Servant | United States |
| 20 | Frank Jones | 24 | Head | Laborer | Maryland |
| 21 | Maggie Jones | 26 | Wife | Servant | Maryland |
| 22 | John Nickes | 10 | Step-son | — | Maryland |
| 23 | Edith Nickes | 4 | Step-daughter | — | Maryland |
| 24 | Florence Nickes | 12 | Step-daughter | — | Maryland |
| 25 | Elizabeth Nickes | 7 | Step-daughter | — | Maryland |
| 26 | George Douglas | None | Head | Laborer | United States |
| 27 | Lula Douglas | None | Wife | Servant | United States |
| 28 | John Cain | 25 | Head | Laborer | Pennsylvania |
| 29 | Annabel Cain | 26 | Wife | Servant | Maryland |
| 30 | John Cain | 3 | Son | — | Maryland |
| 31 | Joseph Cain | 1 | Son | — | Maryland |
| 32 | Mary H. Cain | 19 | Daughter | Laborer | Virginia |
| 33 | Mary Cain | 19 | Daughter | Servant | Virginia |
| 34 | Bessie Miller | 27 | Head | Servant | Maryland |
| 35 | Mary Miller | 21 | Sister | Servant | Maryland |
| 36 | William Price | 35 | Lodger | Laborer | Maryland |
| 37 | Armstead Armstrong | 50 | Head | Laborer | Virginia |
| 38 | Thomas Lewis | None | Head | Servant | United States |
| 39 | Laura Lewis | None | Wife | Servant | United States |
| 40 | Edward Campbell | 38 | Head | Laborer | United States |
| 41 | John Paulson | 71 | Head | Laborer | Maryland |
| 42 | Mary Paulson | 67 | Wife | — | Maryland |
| 43 | Benjamin Chester | 19 | Nephew | Laborer | Maryland |
| 44 | Elizabeth Lane | 25 | Daughter | Waitress | Maryland |
| 45 | Mattie Lane | 9 | Gr. Daughter | — | Maryland |
| 46 | Dora Lane | 8 | Gr. Daughter | — | Maryland |
| 47 | Grandson Milton | 10 | — | — | Maryland |
| 48 | Grandson Vernon | 3 | — | — | Maryland |
Related Census Records
Pedigree Summary
Dora + 3 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)