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Louis Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Louis Brown across the 1920, 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 5-person household.
Age 51
b. ~1889
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Brown |
| Given Name | Louis J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Occupation | Salesman |
| Industry | Oil company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 298 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Salesman |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1889 |
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 Louis | Age | Birth yr |
|---|---|---|---|---|
| Jane Brown | Daughter | — | 14 | ~1926 |
| Louis Brown | Head | — | 51 | ~1889 |
| Maemie Morris | Other | — | 19 | ~1921 |
| Bevernie Brown | Son | — | 18 | ~1922 |
| Mary Brown | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Duval, Florida
Head, age 31
Duval, Florida · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lewis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Driller |
| Industry | Ship yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Duval, Florida
Head, age 41
Duval, Florida · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Louis J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 30 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Delivery Clerk |
| Industry | Auto Oil Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Duval-County, Florida
Head, age 51
Duval-County, Florida · implied b. ~1889 — 5 household members
| Surname | Brown |
| Given Name | Louis J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Occupation | Salesman |
| Industry | Oil company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 298 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Louis Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Brown
Head · 1940 · age 51 · b. ~1889 · Florida
★ 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 — Duval-County, Florida
Open full size
1940 US Federal Census — Duval-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00626-00356)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul P. Bass | 47 | Head | Janitor | Florida |
| 2 | Mattie Bass | 42 | Wife | Cigar Maker | Florida |
| 3 | Gaynell Bass | 24 | Daughter | Salesgirl | Florida |
| 4 | Pauline Bass | 20 | Daughter | — | Florida |
| 5 | John B. Bass | 18 | Son | Truck Driver Helper | Florida |
| 6 | Johnnie Bass | 13 | Son | — | Florida |
| 7 | Paul Jr. Bass | 11 | Son | — | Florida |
| 8 | Gordon Bass | 9 | Son | — | Florida |
| 9 | Collie B. Aldridge | 36 | Head | Laborer | Georgia |
| 10 | Oberia Aldridge | 25 | Wife | — | Georgia |
| 11 | James Robert Aldridge | 5 | Son | — | Georgia |
| 12 | John C. Priest | 33 | Head | Newspaper Carrier | Florida |
| 13 | Ruby P. Priest | 31 | Wife | Cigar Maker | Georgia |
| 14 | Charles R. Priest | 9 | Son | — | Florida |
| 15 | Kenneth J. W. Priest | 6 | Son | — | Florida |
| 16 | Harold E. Priest | 4 | Son | — | Florida |
| 17 | Louis J. Brown THIS PERSON | 51 | Head | Salesman | Florida |
| 18 | Mary Lucyle Brown | 39 | Wife | — | Alabama |
| 19 | Bevernie Brown | 18 | Son | Soda Dispenser | Florida |
| 20 | Jane Brown | 14 | Daughter | — | Florida |
| 21 | Maemie Morris | 19 | Lodger | Waitress | Florida |
| 22 | John Neal | 25 | Head | Signal Tower | Alabama |
| 23 | Virginia Neal | 20 | Wife | — | Georgia |
| 24 | Edward Hartman | 20 | Head | Mechanic | Illinois |
| 25 | Lois Hartman | 21 | Wife | — | Illinois |
| 26 | Joseph Miraglia | 49 | Head | Barber | Georgia |
| 27 | Lulie B. Miraglia | 39 | Wife | — | Florida |
| 28 | Joan Miraglia | 9 | Daughter | — | Florida |
| 29 | Edward Miraglia | 3 | Son | — | Florida |
| 30 | Lemuel Chester | 43 | Head | Garbage Truck | Florida |
| 31 | Anne L. Chester | 33 | Wife | Cigar Maker | Florida |
| 32 | Dorothy Chester | 14 | Daughter | — | Florida |
| 33 | Stewart Blake | 25 | Son in law | Taxi Driver | Massachusetts |
| 34 | Lavinia Blake | 18 | Daughter | — | Florida |
| 35 | Carl Parker | 42 | Head | Taxi Driver | Florida |
| 36 | Louise Parker | 29 | Wife | — | Georgia |
| 37 | Carl Jr. Parker | 10 | Son | — | Florida |
| 38 | Edward Yeast | 32 | Head | Sheet Metal Helper | Illinois |
| 39 | Opal Yeast | 26 | Wife | — | Texas |
| 40 | Kenneth R. Rogers | 36 | Head | Truck Driver | Georgia |
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)