JB
John Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this John Brown across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Brown |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | General Agent |
| Industry | Life Insurance |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | General Agent |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1899 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Barbara Brown | Daughter | — | 7 | ~1933 |
| John Brown | Head | — | 41 | ~1899 |
| Henry Brown | Son | — | 2 | ~1938 |
| John Brown | Son | — | 7 | ~1933 |
| Barbara Brown | Spouse | — | 33 | ~1907 |
Census Appearances
1900
Jefferson, Kentucky
Son, age 1
Jefferson, Kentucky · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Birth Month | Mch |
| Birth Year | 1899 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1910
Jefferson, Kentucky
Son, age 11
Jefferson, Kentucky · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1920
Jefferson, Kentucky
Son, age 20
Jefferson, Kentucky · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Head, age 31
Jefferson, Kentucky · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 24 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Agent |
| Industry | Life Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 17000 |
| Radio Set | R |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Head, age 41
Jefferson-County, Kentucky · implied b. ~1899 — 5 household members
| Surname | Brown |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | General Agent |
| Industry | Life Insurance |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Brown (~0.92 confidence) and father John Brown (~0.92 confidence) and father James Brown (~0.92 confidence) and mother Lizzie Brown (~0.92 confidence) and mother Leonora Brown (~0.92 confidence) and mother Elizabeth Brown (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Brown
b. ~1859
Source father
● Household
· direct · ~0.92
Father
John Brown
b. ~1866
Source father
● Household
· direct · ~0.92
Father
James Brown
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Lizzie Brown
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Leonora Brown
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Brown
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Brown
Head · 1940 · age 41 · b. ~1899 · Kentucky
★ 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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01366-00044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles A. Hertzman | 19 | Son | — | Kentucky |
| 2 | Robert L. Hertzman | 17 | Son | — | Kentucky |
| 3 | Thomas J. Nolan | 56 | Head | Architect | Kentucky |
| 4 | Bertha Nolan | 53 | Wife | — | Kentucky |
| 5 | Robert A. Nolan | 21 | Son | — | Kentucky |
| 6 | Raymond E. Nolan | 17 | Son | — | Kentucky |
| 7 | Mary L. Nolan | 14 | Daughter | — | Kentucky |
| 8 | Frederick H. Galvin | 45 | Head | Clerk | Kentucky |
| 9 | Anita Galvin | 45 | Wife | — | Kentucky |
| 10 | Aline Galvin | 20 | Daughter | — | Kentucky |
| 11 | Jack Galvin | 16 | Son | — | Kentucky |
| 12 | Frederick Jr. Galvin | 5 | Son | — | Kentucky |
| 13 | Carl A. Nuetzel | 46 | Head | Insurance Agent | Kentucky |
| 14 | Katherine C. Nuetzel | 41 | Wife | — | Illinois |
| 15 | Elaine C. Nuetzel | 13 | Daughter | — | Kentucky |
| 16 | William H. Jr. Veeneman | 27 | Head | Executive | Kentucky |
| 17 | Jeanne W. Veeneman | 25 | Wife | — | Indiana |
| 18 | Betsy W. Veeneman | 2 | Daughter | — | Michigan |
| 19 | William H. Iii Veeneman | 1 | Son | — | Michigan |
| 20 | Marie Weigle | 18 | Servant | Maid | Indiana |
| 21 | Elise Lorenz | 72 | Head | — | Kentucky |
| 22 | Maybelle Lorenz | 54 | Daughter | Teacher | Kentucky |
| 23 | Marguerite Lorenz | 50 | Daughter | Teacher | Kentucky |
| 24 | Morris M. Weiss | 39 | Head | Medical Doctor | Ohio |
| 25 | Evelyn B. Weiss | 34 | Wife | — | Alabama |
| 26 | Morris M. Jr. Weiss | 6 | Son | — | Kentucky |
| 27 | Emily R. Weiss | 5 | Daughter | — | Kentucky |
| 28 | John W. Brown THIS PERSON | 41 | Head | General Agent | Kentucky |
| 29 | Barbara Brown | 33 | Wife | — | Kentucky |
| 30 | Barbara Brown | 7 | Daughter | — | Kentucky |
| 31 | John W. Jr. Brown | 7 | Son | — | Kentucky |
| 32 | Henry H. Brown | 2 | Son | — | Kentucky |
| 33 | Loraine Mix | 62 | Head | Judge | Kentucky |
| 34 | Rose Mix | 52 | Wife | — | Kentucky |
| 35 | Marian Mix | 21 | Daughter | — | Kentucky |
| 36 | Robert A. Bessire | 30 | Head | Salesman | Kentucky |
| 37 | Madeline Bessire | 29 | Wife | — | New York |
| 38 | Robert P. Bessire | 3 | Son | — | Kentucky |
| 39 | J. Francis Richey | 42 | Head | Commercial Artist | Kentucky |
| 40 | Richey | None | — | — | — |
Pedigree Summary
John
Gen 1 · 6 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)