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Mary Brown — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Mary Brown across the 1910, 1920 and 1930 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 5-person household.
Age 38
b. ~1892
Female
Spouse
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Brown |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 29 |
| 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 | ~1892 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Armelia Brown | Daughter | — | 7 | ~1923 |
| Richard Brown | Head | — | 38 | ~1892 |
| John Watkins | Other | — | 69 | ~1861 |
| Clarence Brown | Son | — | 9 | ~1921 |
| Mary Brown | Spouse | — | 38 | ~1892 |
Census Appearances
1910
Baltimore, Maryland
Spouse, age 18
Baltimore, Maryland · implied b. ~1892 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Married |
| Birthplace | Maryland |
| Years Married | 2 |
| Children Born | 0 |
| Children Living | 0 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Spouse, age 27
Baltimore, Maryland · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | District of Columbia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Spouse, age 38
Baltimore, Maryland · implied b. ~1892 — 5 household members
| Surname | Brown |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 29 |
| 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 Mary Brown across 3 US Census years (1910, 1920 and 1930) in Baltimore, Maryland, using XGBoost record linkage.
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This person
Anchor record
Mary Brown
Spouse · 1930 · age 38 · b. ~1892 · 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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus858unit:0726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William H Greene | 37 | Head | Laborer | Maryland |
| 52 | Delphine Greene | 35 | Wife | Housework | Maryland |
| 53 | Geraldine Greene | 24 | Daughter | Maid | Maryland |
| 54 | Mildred Greene | 8 | Daughter | — | Maryland |
| 55 | Howard Lee | 35 | Head | Chauffeur | Virginia |
| 56 | Amelia Lee | 32 | Wife | — | Virginia |
| 57 | Gladys Lee | 16 | Daughter | — | Maryland |
| 58 | William Lee | 15 | Son | — | Maryland |
| 59 | Ora Lee | 13 | Daughter | — | Maryland |
| 60 | Howard Jr Lee | 10 | Son | — | Maryland |
| 61 | James Lee | 8 | Son | — | Maryland |
| 62 | Bernice Lee | 7 | Daughter | — | Maryland |
| 63 | Hortense Lee | 6 | Daughter | — | Maryland |
| 64 | Frank Lee | 2 | Son | — | Maryland |
| 65 | Daniel A Howard | 56 | Head | Chauffeur | Maryland |
| 66 | Agnes Howard | 44 | Wife | Chauffeur | Maryland |
| 67 | Curvey James Howard | 19 | Brother | Bellboy | Maryland |
| 68 | Smallwood Bernice Howard | 20 | Roomer | — | Maryland |
| 69 | Howard Eva Howard | 70 | Maid in Law | — | District Columbia |
| 70 | Sheridan Sarah Howard | 36 | Roomer | — | Maryland |
| 71 | John Jr Murphy | 41 | Head | Owner | Maryland |
| 72 | Marie Murphy | 30 | Wife | — | Maryland |
| 73 | Elizabeth Spriggs | 65 | Roomer | — | Maryland |
| 74 | Albert Banks | 29 | Son in Law | — | Maryland |
| 75 | Joseph Francis | 14 | Roomer | — | Pennsylvania |
| 76 | Vincent Maiden | 43 | Head | Stopper | Virginia |
| 77 | Estella Maiden | 35 | Wife | Housework | Virginia |
| 78 | Sylvester Bailey | 16 | Brother | — | Virginia |
| 79 | Fred Bailey | 37 | Brother | Stuffer | Virginia |
| 80 | Pauline Jones | 34 | Head | Teacher | Maryland |
| 81 | Lydia Burke | 70 | Cousin | — | Maryland |
| 82 | Jessie Mccutcheon | 23 | Roomer | Hair Dresser | South Carolina |
| 83 | Nellie Jones | 55 | Head | Cook | Virginia |
| 84 | Otelia Jones | 30 | Daughter | — | Maryland |
| 85 | Gwendolyn Jones | 10 | Daughter | — | Maryland |
| 86 | Junius Jones | 12 | Daughter | — | Maryland |
| 87 | Richard Brown | 38 | Head | Unskilled Labor | Maryland |
| 88 | Mary Brown THIS PERSON | 38 | Wife | — | Maryland |
| 89 | Clarence Brown | 9 | Son | — | Maryland |
| 90 | Armelia Brown | 7 | Daughter | — | Maryland |
| 91 | John Watkins | 69 | Son in Law | — | Maryland |
| 92 | Robert Proctor | 49 | Head | Teacher | Maryland |
| 93 | Edith Proctor | 49 | Wife | Teacher | Maryland |
| 94 | Deloris Proctor | 17 | Daughter | — | Maryland |
| 95 | Augusta Proctor | 15 | Daughter | — | Maryland |
| 96 | James S Dare | 44 | Head | Chauffeur | Maryland |
| 97 | Sarah Dare | 43 | Wife | General Work | Maryland |
| 98 | Leo Dare | 7 | Son | — | Maryland |
| 99 | Priscilla Harvey | 70 | Mother | — | Maryland |
| 100 | John Manning | 15 | Nephew | — | 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)