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Emma Brown — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Frederick, Maryland
Our Model Tree links this Emma Brown across the 1920 and 1930 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 11-person household.
Age 51
b. ~1879
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Frederick, Maryland |
| Surname | Brown |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| 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 | Frederick City |
| Est. Birth Year | ~1879 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Brown | Daughter | — | 18 | ~1912 |
| Eloise Brown | Daughter | — | 20 | ~1910 |
| Mary Brown | Daughter | — | 22 | ~1908 |
| Ruth Brown | Daughter | — | 14 | ~1916 |
| William Brown | Head | — | 60 | ~1870 |
| Walter Brown | Son | — | 7 | ~1923 |
| James Brown | Son | — | 25 | ~1905 |
| Harry Brown | Son | — | 9 | ~1921 |
| Charles Brown | Son | — | 13 | ~1917 |
| Roy Brown | Son | — | 17 | ~1913 |
| Emma Brown | Spouse | — | 51 | ~1879 |
Census Appearances
1920
Frederick, Maryland
Spouse, age 42
Frederick, Maryland · implied b. ~1878 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Working |
| Industry | At home |
| Class of Worker | W |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Spouse, age 51
Frederick, Maryland · implied b. ~1879 — 11 household members
| Surname | Brown |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| 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 Emma Brown across 2 US Census years (1920 and 1930) in Frederick, Maryland, using XGBoost record linkage.
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This person
Anchor record
Emma Brown
Spouse · 1930 · age 51 · b. ~1879 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Frederick, Maryland
Open full size
1930 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus874unit:0148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James A. Pray | 23 | Head | Laborer | Maryland |
| 2 | Annie L. Pray | 24 | Wife | — | Maryland |
| 3 | Anna O. Pray | 0 | Daughter | — | Maryland |
| 4 | Henry A. Barnes | 50 | Boarder | Undertaker | Maryland |
| 5 | William Barnes | 26 | Head | Driver Truck | Maryland |
| 6 | Eliza Barnes | 22 | Wife | — | Maryland |
| 7 | William A. Barnes | 5 | Son | — | Maryland |
| 8 | Gloria A. Barnes | 5 | Daughter | — | Maryland |
| 9 | Gilbert E. Barnes | 2 | Son | — | Maryland |
| 10 | Paul Barnes | 1 | Son | — | Maryland |
| 11 | Edward Thomas | 23 | Head | Chauffeur | Maryland |
| 12 | Mamie Thomas | 23 | Wife | — | Maryland |
| 13 | Mable E. Thomas | 5 | Daughter | — | Maryland |
| 14 | Preston Thornton | 64 | Boarder | Janitor | West Virginia |
| 15 | Frances Edrington | 16 | Boarder | — | Maryland |
| 16 | Ollie Brown | 27 | Head | Laborer | Maryland |
| 17 | Beatrice Brown | 21 | Wife | — | Maryland |
| 18 | Emma B. Brown | 3 | Daughter | — | Maryland |
| 19 | Ollie Jr. Brown | 1 | Son | — | Maryland |
| 20 | John Brown | 32 | Brother | Laborer | Maryland |
| 21 | Harry Brown | 25 | Brother | Laborer | Maryland |
| 22 | William A. Brown | 60 | Head | Laborer | Maryland |
| 23 | Emma Brown THIS PERSON | 51 | Wife | — | Maryland |
| 24 | Harry A. Brown | 9 | Son | — | Maryland |
| 25 | Walter J. Brown | 7 | Son | Janitor | Maryland |
| 26 | James A. Brown | 25 | Son | Deliveryman | Maryland |
| 27 | Roy E. Brown | 17 | Son | Newsboy | Maryland |
| 28 | Charles R. Brown | 13 | Son | Laborer | Maryland |
| 29 | Mary E. Brown | 22 | Daughter | Servant | Maryland |
| 30 | Eloise Brown | 20 | Daughter | — | Maryland |
| 31 | Gertrude Brown | 18 | Daughter | Maid | Maryland |
| 32 | Ruth G. Brown | 14 | Daughter | — | Maryland |
| 33 | Samuel Thornton | 47 | Head | Janitor | Pennsylvania |
| 34 | Florama Thornton | 45 | Wife | — | Maryland |
| 35 | Samuel Thornton | 22 | Son | Laborer | Maryland |
| 36 | Elizabeth Thornton | 18 | Daughter | Maid | Maryland |
| 37 | Ella Thornton | 15 | Daughter | — | Maryland |
| 38 | Elizabeth Corey | 45 | Head | — | West Virginia |
| 39 | Charles D. Corey | 20 | Son | Laborer | West Virginia |
| 40 | Edward G. Corey | 18 | Son | Laborer | West Virginia |
| 41 | Mary M. Corey | 15 | Daughter | — | West Virginia |
| 42 | Harvey Willis | 27 | Head | Laborer | Maryland |
| 43 | Lollie Willis | 27 | Wife | Laundress | Maryland |
| 44 | Marquette Jones | 15 | Niece | — | Maryland |
| 45 | Alice Hall | 51 | Head | House Worker | Maryland |
| 46 | Matilda Douglass | 58 | Head | House Worker | Maryland |
| 47 | George R. Douglass | 37 | Son | Laborer | Maryland |
| 48 | Dan Douglass | 16 | Son | — | Maryland |
| 49 | Ella Foster | 36 | Head | Cook | Maryland |
| 50 | Jane Foster | 13 | Daughter | — | Maryland |
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)