WB
William Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this William Brown across the 1910, 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Mill Laborer |
| Industry | Iron Mill |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1175 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Mill Laborer |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1888 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Earline Brown | Daughter | — | 21 | ~1919 |
| William Brown | Head | — | 52 | ~1888 |
| Benjamin Brown | Son | — | 22 | ~1918 |
| Joseph Brown | Son | — | 16 | ~1924 |
| Ellen Brown | Spouse | — | 46 | ~1894 |
Census Appearances
1910
Baltimore, Maryland
Other, age 22
Baltimore, Maryland · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Wharf |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Other, age 32
Baltimore, Maryland · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 42
Baltimore, Maryland · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | William |
| Relationship to Head | roomer |
| Sex | M |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Public |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 52
Baltimore-City-County, Maryland · implied b. ~1888 — 5 household members
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Occupation | Mill Laborer |
| Industry | Iron Mill |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1175 |
| Highest Grade | No 5 |
| 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 William Brown across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Brown
Head · 1940 · age 52 · b. ~1888 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01526-00646)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W. Ireland | 15 | Son | — | Maryland |
| 2 | Bernice Ireland | 11 | Daughter | — | Maryland |
| 3 | James T. Ireland | 7 | Son | — | Maryland |
| 4 | Addison Jackson | 46 | Head | — | Maryland |
| 5 | Pauline Jackson | 33 | Wife | — | Maryland |
| 6 | Arthur Jackson | 16 | Son | — | Maryland |
| 7 | Dewey Hampton | 40 | Head | Laborer | Maryland |
| 8 | Victoria Hampton | 32 | Wife | — | Virginia |
| 9 | Mary Hampton | 13 | Daughter | — | Maryland |
| 10 | Dorothy Hampton | 12 | Daughter | — | Maryland |
| 11 | Charles Hampton | 10 | Son | — | Maryland |
| 12 | Edith Hampton | 7 | Daughter | — | Maryland |
| 13 | Shirley Hampton | 4 | Daughter | — | Maryland |
| 14 | Earline Hampton | 3 | Daughter | — | Maryland |
| 15 | Shirley Hampton | 3 | Son | — | Maryland |
| 16 | Charles Henson | 33 | Head | Waiter | Maryland |
| 17 | Lessie Henson | 30 | Wife | Maid | Maryland |
| 18 | James Henson | 14 | Son | — | Maryland |
| 19 | William Henson | 12 | Son | — | Maryland |
| 20 | Morris Henson | 11 | Son | — | Maryland |
| 21 | Lillie Smith | 39 | Head | Janitress | Virginia |
| 22 | Charles Jr. Smith | 17 | Son | Bootblack | Maryland |
| 23 | Mildred Smith | 15 | Daughter | — | Maryland |
| 24 | Ford Tyler | 29 | Head | Truck Driver | Maryland |
| 25 | Bessie Tyler | 26 | Wife | — | Maryland |
| 26 | Charles Brown | 28 | Boarder | Truck Driver | Maryland |
| 27 | Bertha Brown | 22 | Boarder | — | Maryland |
| 28 | Almer Jefferson | 36 | Head | Laundryman | Maryland |
| 29 | Alverta Jefferson | 39 | Wife | — | Maryland |
| 30 | Catherine Jefferson | 14 | Daughter | — | Maryland |
| 31 | Elsie Jefferson | 12 | Daughter | — | Maryland |
| 32 | William Brown THIS PERSON | 52 | Head | Mill Laborer | Maryland |
| 33 | Ellen Brown | 46 | Wife | — | Maryland |
| 34 | Benjamin Brown | 22 | Son | Laborer | Maryland |
| 35 | Earline Brown | 21 | Daughter | — | Maryland |
| 36 | Joseph Brown | 16 | Son | — | Maryland |
| 37 | Samuel Hill | 41 | Head | Tailor | Maryland |
| 38 | Mabel Hill | 39 | Wife | — | Maryland |
| 39 | Margaret Hill | 16 | Daughter | — | Maryland |
| 40 | Samuel Hill | 14 | Son | — | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)