WB
William Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Anne-Arundel-County, Maryland
Our Model Tree links this William Brown across the 1920, 1930 and 1940 US Censuses in Anne-Arundel-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Matilda — first a head (b.~1900), then head of a 2-person household.
Age 40
b. ~1900
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Anne-Arundel-County, Maryland |
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. 2 |
| 1935 Residence (County) | Anne Arundel |
| Additional Details | |
| Occupation | Store keeper |
| Industry | Retail grocery |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Store Keeper |
| Township / Ward | Election Dist 2 |
| Est. Birth Year | ~1900 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Delia Brown | Daughter | — | 21 | ~1919 |
| William Brown | Head | — | 40 | ~1900 |
Census Appearances
1920
Anne Arundel, …
Son, age 21
Anne Arundel, Maryland · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Gen. Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Anne Arundel, …
Son, age 30
Anne Arundel, Maryland · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Naval Academy |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Anne-Arundel-County, Maryland
Head, age 40
Anne-Arundel-County, Maryland · implied b. ~1900 — 2 household members
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election Dist. 2 |
| 1935 Residence (County) | Anne Arundel |
| Occupation | Store keeper |
| Industry | Retail grocery |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| 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 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 Matilda Brown (~0.92 confidence) and father Columbus Johnson (~0.92 confidence) and mother Eleanora Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Brown
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Matilda Brown
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
Columbus Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Eleanora Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Brown
Head · 1940 · age 40 · b. ~1900 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Anne-Arundel-County, Maryland
Open full size
1940 US Federal Census — Anne-Arundel-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01501-00405)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Brown THIS PERSON | 40 | Head | Store Keeper | Maryland |
| 2 | Delia Brown | 21 | Daughter | — | Maryland |
| 3 | Lucinie Merrett | 42 | Head | Laborer | South Carolina |
| 4 | Margaret Merrett | 39 | Wife | — | South Carolina |
| 5 | Wilma Merrett | 12 | Daughter | — | South Carolina |
| 6 | Evelyn Merrett | 10 | Daughter | — | South Carolina |
| 7 | Leroy Young | 11 | Uncle | — | South Carolina |
| 8 | James Whipple | 37 | Head | Laborer | Delaware |
| 9 | Frances Whipple | 37 | Wife | — | Maryland |
| 10 | Elizabeth Whipple | 12 | Daughter | — | Maryland |
| 11 | Norman Whipple | 11 | Son | — | Maryland |
| 12 | Elizabeth Butler | 39 | Head | General Work | Maryland |
| 13 | Alexander Brown | 37 | Lodger | Gas Attendant | Maryland |
| 14 | Rynald Johnson | 35 | Head | Laborer | Maryland |
| 15 | Claradel Johnson | 25 | Wife | — | Maryland |
| 16 | Edward Johnson | 5 | Son | — | Maryland |
| 17 | Nancy Green | 36 | Head | General Work | Maryland |
| 18 | Joseph Holland | 27 | Lodger | Helper | Maryland |
| 19 | Gertrude Smith | 51 | Head | Domestic Work | Maryland |
| 20 | Harry Smith | 12 | Son | — | Maryland |
| 21 | Samuel Duncan | 9 | Absent | — | Maryland |
| 22 | Estella Dorsey | 4 | Aunt | — | Maryland |
| 23 | Beulah Duncan | 61 | Head | General Helper | South Carolina |
| 24 | Mac I. Cook | 71 | Head | Helper | Maryland |
| 25 | Andrew Gray | 68 | Head | General Helper | Maryland |
| 26 | Alexander Holland | 65 | Head | Laborer | Maryland |
| 27 | Elizabeth Holland | 50 | Wife | — | Maryland |
| 28 | Cornelia Diggs | 21 | Daughter | — | Maryland |
| 29 | Thomas Randall | 10 | Head | — | Maryland |
| 30 | Herbert Jr. Diggs | 5 | Grandson | — | Maryland |
| 31 | Joseph Chambers | 37 | Head | Messman | Maryland |
| 32 | Annie Chambers | 31 | Wife | Domestic | Georgia |
| 33 | Ernest Minter | 54 | Head | — | Georgia |
| 34 | Katherine Minter | 52 | Wife | — | Maryland |
| 35 | John Mackaly | 28 | Son-in-law | Chief Boatswain Mate | — |
| 36 | Ernestine Mackaly | 27 | Daughter | — | Maryland |
| 37 | William Hudson | 10 | Son | — | Maryland |
| 38 | Oscar Johnson | 26 | Head | Presser | North Carolina |
| 39 | Myrtle Johnson | 22 | Wife | — | Maryland |
| 40 | Oscar Jr. Johnson | 4 | Son | — | Maryland |
Pedigree Summary
William
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)