WB
Will Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Will Brown across the 1920, 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 7-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 | Will J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Will | Age | Birth yr |
|---|---|---|---|---|
| Willie Brown | Son | — | 14 | ~1926 |
| Mary Brown | Daughter | — | 12 | ~1928 |
| Annie Brown | Daughter | — | 9 | ~1931 |
| Samuel Brown | Son | — | 16 | ~1924 |
| Will Brown | Head | — | 51 | ~1889 |
| Pauline Brown | Daughter | — | 15 | ~1925 |
| Josephine Brown | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Duval, Florida
Head, age 33
Duval, Florida · implied b. ~1887
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Brown |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laborer |
| Industry | Lumber Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | florida |
1930
Duval, Florida
Head, age 43
Duval, Florida · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Will |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 25 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer (General) |
| Industry | Cotton Gin |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Duval-County, Florida
Head, age 51
Duval-County, Florida · implied b. ~1889 — 7 household members
| Surname | Brown |
| Given Name | Will J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Industry | 0 |
| Highest Grade | No 6 |
| 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 Will Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Will 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-t0627-00625-00416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence Lanay | 6 | Grand son | — | South Carolina |
| 2 | Robert Hughes | 52 | Head | Worker | Georgia |
| 3 | Hattie Hughes | 46 | Wife | Laundry | Georgia |
| 4 | Lola Heath | 43 | Head | Maid | Georgia |
| 5 | Maria Heath | 16 | Niece | Maid | Georgia |
| 6 | Herman Brown | 41 | Head | — | Florida |
| 7 | Hilaria Martin | 39 | Head | Laundry | Georgia |
| 8 | Olivia Martin | 21 | Daughter | — | Georgia |
| 9 | Thelma Martin | 18 | Daughter | — | Georgia |
| 10 | Calla Taylor | 70 | Mother | — | Florida |
| 11 | John Henry | 42 | Head | Worker | Florida |
| 12 | Annie Henry | 44 | Wife | Maid | Florida |
| 13 | Celia Milligan | 34 | Head | Laundry | Florida |
| 14 | Ertha Thompson | 14 | Daughter | — | Florida |
| 15 | Walter Thompson | 15 | Son | — | Florida |
| 16 | Annie Lee Thompson | 12 | Daughter | — | Florida |
| 17 | Hartha Thompson | 10 | Daughter | — | Florida |
| 18 | Evelyn Thompson | 5 | Daughter | — | Florida |
| 19 | Ben Thompson | 3 | Son | — | Florida |
| 20 | Andrew Thompson | 1 | Son | — | Florida |
| 21 | Joe Robinson | 38 | Head | Bag Packer | Georgia |
| 22 | Celma Robinson | 38 | Wife | Maid | Florida |
| 23 | Willie Rainey | 38 | Head | Roll Liper | Georgia |
| 24 | Louisa Rainey | 38 | Wife | Laundry | Georgia |
| 25 | Abner Porter | 39 | Head | Carpenter | Georgia |
| 26 | Carrie Bell Porter | 31 | Wife | Maid | Georgia |
| 27 | Mary Jane Porter | 14 | Daughter | — | Georgia |
| 28 | Will J. Brown THIS PERSON | 51 | Head | — | Florida |
| 29 | Josephine Brown | 45 | Wife | Laundry | South Carolina |
| 30 | Samuel Brown | 16 | Son | — | Tennessee |
| 31 | Pauline Brown | 15 | Daughter | — | Florida |
| 32 | Willie J. Jr. Brown | 14 | Son | — | Florida |
| 33 | Mary M. Brown | 12 | Daughter | — | Tennessee |
| 34 | Annie Lee Brown | 9 | Daughter | — | Florida |
| 35 | — | None | — | — | — |
| 36 | Hattie Roberts | 64 | Head | Laundry | North Carolina |
| 37 | Maceo Cunfield | 28 | Son | Laborer | Florida |
| 38 | Hattie Bell | 43 | Lodger | Laundry | South Carolina |
| 39 | Julia Moore | 38 | Head | Laundry | Florida |
| 40 | Carrie Williams | 24 | Lodger | Maid | 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)