JB
James Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Brown across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Mary — first a son (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Brown |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Metal Co. |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 700 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Truck Driver |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Betty Brown | Daughter | — | 3 | ~1937 |
| Alice Brown | Daughter | — | 19 | ~1921 |
| Elizabeth Brown | Head | — | 42 | ~1898 |
| Corrine Kent | Other | — | 14 | ~1926 |
| Charles Brown | Son | — | 17 | ~1923 |
| James Brown | Son | — | 25 | ~1915 |
| Joseph Brown | Son | — | 23 | ~1917 |
| Alfred Brown | Son | — | 21 | ~1919 |
Census Appearances
1920
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1915 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| 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
Son, age 15
Baltimore, Maryland · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Age at First Marriage | W |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Home Owned/Rented | 98 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 25
Baltimore-City-County, Maryland · implied b. ~1915 — 8 household members
| Surname | Brown |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Truck driver |
| Industry | Metal Co. |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 700 |
| 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 James Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Brown (~0.92 confidence) and mother Mary Brown (~0.92 confidence) and mother Eva Brown (~0.92 confidence) and mother Elizabeth Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Brown
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mary Brown
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Eva Brown
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Brown
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Brown
Son · 1940 · age 25 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Joseph Brown
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Brown
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Brown
Sibling · 1940 · age 3
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
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-t0627-01527-00027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Thompson | 22 | Lodger | — | Maryland |
| 2 | Claude Thompson | 19 | Lodger | — | Maryland |
| 3 | William C. Cornish | 70 | Head | Agent | Maryland |
| 4 | Agusta Cornish | 69 | Wife | — | Maryland |
| 5 | Margaret A. Trumble | 64 | Cousin | — | Maryland |
| 6 | Abner G. Baroman | 42 | Lodger | Janitor | Tennessee |
| 7 | Lucy Molley | 37 | Head | Day Worker | Virginia |
| 8 | Lady Molley | 24 | Daughter | General Housework | Virginia |
| 9 | Rose Molley | 23 | Daughter | Maid | Virginia |
| 10 | Samuel Molley | 23 | Head | Laborer | Virginia |
| 11 | Harriett Molley | 21 | Wife | — | W. Virginia |
| 12 | Robert Molley | 4 | Son | — | Maryland |
| 13 | Mary Molley | 3 | Daughter | — | Maryland |
| 14 | Maria Jackson | 55 | Head | Day Worker | Maryland |
| 15 | Samuel Peintrent | 35 | Head | Salesman | Maryland |
| 16 | Anna Peintrent | 58 | Mother | — | Russia |
| 17 | Ida Peintrent | 30 | Sister | Clerk | Maryland |
| 18 | Sylvia Peintrent | 21 | Brother | Clerk (Part Time) | Maryland |
| 19 | Shirley Harrowitz | 36 | Lodger | Clerk | Maryland |
| 20 | Elizabeth Brown | 42 | Head | Day Worker | Maryland |
| 21 | James Brown THIS PERSON | 25 | Son | Truck Driver | Maryland |
| 22 | Joseph Brown | 23 | Son | Bus Boy | Maryland |
| 23 | Alfred Brown | 21 | Son | Cook | Maryland |
| 24 | Alice Brown | 19 | Daughter | — | Maryland |
| 25 | Charles Brown | 17 | Son | — | Maryland |
| 26 | Betty M. Brown | 3 | Daughter | — | Maryland |
| 27 | Corrine Kent | 14 | Niece | — | Maryland |
| 28 | Minnie Hall | 41 | Head | Maid | Maryland |
| 29 | Marie L. Hall | 79 | Mother | — | Maryland |
| 30 | David W. Harbaugh | 58 | Lodger | Head Bell-Man | Maryland |
| 31 | Wiley Isaac | 41 | Lodger | Laborer | Maryland |
| 32 | Marguerite Blackwell | 20 | Lodger | Truck Driver | Maryland |
| 33 | Harry Blackwell | 22 | Lodger | — | Maryland |
| 34 | Harry Jr. Blackwell | 3 | Lodger's Son | — | Maryland |
| 35 | Valerie R. Blackwell | 1 | Lodger's Daughter | — | Maryland |
| 36 | Sadonia Harriday | 62 | Head | Canvasser | Maryland |
| 37 | Margaret Palmer | 65 | Sister | Maid | Maryland |
| 38 | Elizabeth Smith | 50 | Lodger | Cook | Maryland |
| 39 | Louise Mitchel | 38 | Lodger | Cook | Maryland |
| 40 | George Mitchel | 20 | Son | Bell-Boy | Maryland |
Related Census Records
Pedigree Summary
James + 5 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)