AB
Alexander Brown — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Alexander Brown across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 9-person household.
Age 38
b. ~1892
Male
Head
Born: Maryland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Brown |
| Given Name | Alexander |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Barber |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Barber |
| Township / Ward | Baltimore |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Alexander | Age | Birth yr |
|---|---|---|---|---|
| Annie Brown | Daughter | — | 12 | ~1918 |
| John Brown | Son | — | 4 | ~1926 |
| Robert Brown | Son | — | 1 | ~1929 |
| James Brown | Son | — | 6 | ~1924 |
| Alexander Brown | Head | — | 38 | ~1892 |
| Annie Brown | Spouse | — | 33 | ~1897 |
| William Brown | Son | — | 7 | ~1923 |
| Marshall Brown | Son | — | ~1930 | |
| Bessie Brown | Daughter | — | 9 | ~1921 |
Census Appearances
1920
Baltimore, Maryland
Head, age 29
Baltimore, Maryland · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Alexander |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Seaman |
| Industry | Shipping Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Head, age 38
Baltimore, Maryland · implied b. ~1892 — 9 household members
| Surname | Brown |
| Given Name | Alexander |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Barber |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Anne-Arundel-County, Maryland
Other, age 49
Anne-Arundel-County, Maryland · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Alexander |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8 |
| 1935 Residence (County) | Anne Arundel |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 500 |
| Highest Grade | No 2 |
| 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 Alexander Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Alexander Brown
Head · 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:0517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rapheal Samuel | 38 | Brother | Grocer | Poland |
| 52 | Robert Douglas | 33 | Head | Janitor | Virginia |
| 53 | Louise Douglas | 34 | Sister | — | Virginia |
| 54 | Alexander Brown THIS PERSON | 38 | Head | Barber | Maryland |
| 55 | Annie Brown | 33 | Wife | — | Maryland |
| 56 | Annie Brown | 12 | Daughter | — | Maryland |
| 57 | Bessie Brown | 9 | Daughter | — | Maryland |
| 58 | William Brown | 7 | Son | — | Maryland |
| 59 | James Brown | 6 | Son | — | Maryland |
| 60 | John Brown | 4 | Son | — | Maryland |
| 61 | Robert Brown | 1 | Son | — | Maryland |
| 62 | Marshall Brown | 0 | Son | — | Maryland |
| 63 | Ethel Linner | 34 | Head | Cook | Maryland |
| 64 | Mamie Linner | 69 | Mother | — | Maryland |
| 65 | William Linner | 27 | Brother | — | Maryland |
| 66 | William Linner | 12 | Son | — | Maryland |
| 67 | Gilbert Linner | 10 | Son | — | Maryland |
| 68 | George Scott | 43 | Head | Servant | Maryland |
| 69 | Ernestine Scott | 23 | Daughter | — | Maryland |
| 70 | Thelma Scott | 13 | Daughter | — | Maryland |
| 71 | George Scott | 18 | Son | Driver | Maryland |
| 72 | Robert Thompson | 51 | Head | Odd Job | Maryland |
| 73 | Sherrie Thompson | 50 | Wife | Laundress | Virginia |
| 74 | Milton Thompson | 29 | Son | Manager | Maryland |
| 75 | William Thompson | 19 | Son | Porter | Maryland |
| 76 | Mary Thompson | 16 | Daughter | Servant | Maryland |
| 77 | Danielle Thompson | 13 | Son | — | Maryland |
| 78 | Robert Thompson | 10 | Son | — | Maryland |
| 79 | Thelma Thompson | 8 | Daughter | — | Maryland |
| 80 | William Mellow | 28 | Head | Driver | Maryland |
| 81 | Nellie Mellow | 28 | Wife | — | Maryland |
| 82 | Bernard Mellow | 2 | Son | — | Maryland |
| 83 | Milton Mellow | 1 | Son | — | Maryland |
| 84 | Martha Mellow | 71 | Aunt | Servant | Maryland |
| 85 | Rosa Wise | 28 | Head | Laundress | Virginia |
| 86 | Georgina Walker | 39 | Sister | Servant | Virginia |
| 87 | William Hall | 30 | Lodger | Houseman | Virginia |
| 88 | Maggie Lee | 23 | Head | Servant | Maryland |
| 89 | Sadie Butler | 21 | Sister | Servant | Maryland |
| 90 | Margaret Williams | 23 | Niece | — | Maryland |
| 91 | Audrey Temple | 8 | Niece | — | Maryland |
| 92 | James Simms | 52 | Head | Molder | Maryland |
| 93 | Alice Simms | 47 | Wife | — | Virginia |
| 94 | Florence Blackwell | 16 | Daughter | — | Maryland |
| 95 | Wilda Blackwell | 14 | Daughter | — | Maryland |
| 96 | Columbus Gant | 28 | Head | Cook | Virginia |
| 97 | Lydia Perkins | 28 | Boarder | Cook | Virginia |
| 98 | Gladys Perkins | 8 | Boarder | — | Maryland |
| 99 | John James | 48 | Lodger | Chauffeur | Maryland |
| 100 | Irene Potter | 42 | Head | Fireman | 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)