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John Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegany-County, Maryland
Our Model Tree links this John Brown across the 1920, 1930 and 1940 US Censuses in Allegany-County, Maryland (XGBoost, ~Confirmed), with identified parents Albert & Albert — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegany-County, Maryland |
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Cumberland |
| 1935 Residence (County) | Allegany |
| Additional Details | |
| Occupation | Laborer |
| Industry | various |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | S No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Cumberland |
| Est. Birth Year | ~1916 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Albert Brown | Head | — | 62 | ~1878 |
| John Brown | Son | — | 24 | ~1916 |
| George Brown | Son | — | 28 | ~1912 |
| Bessie Brown | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Allegany, Maryland
Other, age 2
Allegany, Maryland · implied b. ~1918 — 41 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Allegany, Maryland
Son, age 13
Allegany, Maryland · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Allegany-County, Maryland
Son, age 24
Allegany-County, Maryland · implied b. ~1916 — 4 household members
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Cumberland |
| 1935 Residence (County) | Allegany |
| Occupation | Laborer |
| Industry | various |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | S No 6 |
| 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 John Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Brown (~0.92 confidence) and father Albert Brown (~0.92 confidence) and mother Bessie Brown (~0.92 confidence) and mother Bessie Brown (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Brown
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Albert Brown
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Bessie Brown
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Bessie Brown
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Brown
Son · 1940 · age 24 · b. ~1916 · Maryland
★ You are viewing this record
Sibling
George Brown
Sibling · 1940 · age 28
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 — Allegany-County, Maryland
Open full size
1940 US Federal Census — Allegany-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01498-00750)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Frontman | 3 | Head | — | Maryland |
| 42 | Donna Frontman | 0 | Daughter | — | Maryland |
| 43 | Laken B. Root | 29 | Head | Service Man | West Va |
| 44 | Edna Root | 29 | Wife | Waitress | Maryland |
| 45 | Betty Root | 2 | Daughter | — | Maryland |
| 46 | Eva M. Nixon | 13 | Daughter | — | Maryland |
| 47 | Audrey Nixon | 11 | Daughter | — | Maryland |
| 48 | Wm Root | 60 | Grandfather | Timberman | West Va |
| 49 | James Page | 26 | Head | Truck Driver | Maryland |
| 50 | Anna V. Page | 24 | Wife | — | Maryland |
| 51 | William Smith | 30 | Head | Mail Handler | Maryland |
| 52 | Thelma G. Smith | 35 | Wife | — | Maryland |
| 53 | Herbert Smith | 19 | Son | """Red Cap""" | Maryland |
| 54 | Julian Smith | 13 | Son | — | Maryland |
| 55 | William Males | 29 | Head | Chef | Maryland |
| 56 | Elnora Males | 30 | Wife | Elevator Operator | New York |
| 57 | William J. Males | 14 | Son | — | Maryland |
| 59 | Albert L. Brown | 62 | Head | Laborer | Maryland |
| 60 | Bessie L. Brown | 64 | Wife | — | Maryland |
| 61 | George Brown | 28 | Son | Bus Boy | Maryland |
| 62 | John Brown THIS PERSON | 24 | Son | Laborer | Maryland |
| 63 | Jesse Roberson | 42 | Head | Blacksmith Mechanic | West Va |
| 64 | Mary Roberson | 35 | Wife | — | Maryland |
| 65 | Doris Roberson | 11 | Daughter | — | Maryland |
| 66 | Henry Roberson | 10 | Son | — | Maryland |
| 67 | Robert Roberson | 6 | Son | — | Maryland |
| 68 | Jerry Roberson | 4 | Son | — | Maryland |
| 69 | Joe Ann Roberson | 2 | Daughter | — | Maryland |
| 70 | Winetta Roberson | 1 | Daughter | — | Maryland |
| 71 | Edwin Cecil | 35 | Head | Driver | Penna |
| 72 | Hazel Cecil | 32 | Wife | — | West Va |
| 73 | Robert Cecil | 9 | Son | — | Maryland |
| 74 | Donald Cecil | 8 | Son | — | Maryland |
| 75 | Eugene Cecil | 6 | Son | — | Maryland |
| 76 | Carol Cecil | 4 | Daughter | — | Maryland |
| 77 | Fannie Collins | 65 | Grandmother | — | Virginia |
| 78 | Margaret Case | 35 | Head | — | — |
| 79 | Howard Case | 16 | Son | New Worker | Maryland |
| 80 | Donald Case | 15 | Son | — | Maryland |
Pedigree Summary
John + 1 sibling
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)