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John Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Davidson-County, Tennessee
Our Model Tree links this John Brown across the 1920, 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed), with identified parents Thomas — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Davidson-County, Tennessee |
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville |
| 1935 Residence (County) | Davidson |
| Additional Details | |
| Occupation | Fireman |
| Industry | Truck & Star Laundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Fireman |
| Township / Ward | Nashville |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Brown | Head | — | 25 | ~1915 |
| John Brown | Son | — | 2 | ~1938 |
| Millie Brown | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Davidson, Tennessee
Other, age 1
Davidson, Tennessee · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Davidson, Tennessee
Son, age 12
Davidson, Tennessee · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Davidson-County, Tennessee
Head, age 25
Davidson-County, Tennessee · implied b. ~1915 — 3 household members
| Surname | Brown |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville |
| 1935 Residence (County) | Davidson |
| Occupation | Fireman |
| Industry | Truck & Star Laundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Thomas Brown (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Brown
b. ~1879
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Brown
Head · 1940 · age 25 · b. ~1915 · Tennessee
★ 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 — Davidson-County, Tennessee
Open full size
1940 US Federal Census — Davidson-County, Tennessee
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03971-00516)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Britt Campbell | 59 | Head | Deceased | Tennessee |
| 2 | Ada Campbell | 53 | Wife | — | Tennessee |
| 3 | Britt Campbell | 22 | Son | Unemployed | Tennessee |
| 4 | Idora Campbell | 20 | Daughter | Unemployed | Tennessee |
| 5 | Willie Campbell | 16 | Daughter | — | Tennessee |
| 6 | Abraham Campbell | 15 | Son | — | Tennessee |
| 7 | Margerith L Campbell | 12 | Daughter | — | Tennessee |
| 8 | James Campbell | 11 | Son | — | Tennessee |
| 9 | Dorothy M Campbell | 9 | Daughter | — | Tennessee |
| 10 | John H Nesbit | 65 | Head | Horticulturist | Tennessee |
| 11 | Fannie Nesbit | 56 | Wife | — | Tennessee |
| 12 | Louise Nesbit | 21 | Daughter | Commercial Secy | Tennessee |
| 13 | Arppie Nesbit | 16 | Daughter | — | Tennessee |
| 14 | Robert Nesbit | 14 | Son | — | Tennessee |
| 15 | Lemuel Nesbit | 25 | Son | Laborer | Tennessee |
| 16 | Willie M Nesbit | 22 | Daughter in law | Housekeeper | Tennessee |
| 17 | Frank Drake | 35 | Head | Brick Setter | Tennessee |
| 18 | Annie Lee Drake | 23 | Wife | — | Tennessee |
| 19 | John Brown THIS PERSON | 25 | Head | Fireman | Tennessee |
| 20 | Millie Brown | 24 | Wife | — | Tennessee |
| 21 | John Jr. Brown | 2 | Son | — | Tennessee |
| 22 | James C Patton | 39 | Head | Agent | Tennessee |
| 23 | Marion L Patton | 39 | Wife | — | Tennessee |
| 24 | Marion A Patton | 15 | Daughter | — | Tennessee |
| 25 | Irene G Patton | 13 | Daughter | — | Tennessee |
| 26 | Frances J Patton | 11 | Daughter | — | Tennessee |
| 27 | Ruth E Patton | 9 | Daughter | — | Tennessee |
| 28 | Trilly D Patton | 2 | Daughter | — | Tennessee |
| 29 | James Cannon | 33 | Head | Shipping Dept | Tennessee |
| 30 | Pauline Cannon | 30 | Wife | — | New Orleans |
| 31 | Dorothy R Thompson | 15 | Daughter | — | Tennessee |
| 32 | Carrie Cannon | 13 | Daughter | — | Tennessee |
| 33 | James Jr. Cannon | 9 | Son | — | Tennessee |
| 34 | Theodore Cannon | 7 | Son | — | Tennessee |
| 35 | Azriah Johnson | 52 | Head | Irregular | Tennessee |
| 36 | Lillie Johnson | 48 | Wife | Maid | Tennessee |
Pedigree Summary
John
Gen 1 · 1 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)