LJ
Leroy Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Leroy Jones across the 1910, 1920, 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed), with identified parents Otis & Adaline — first a head (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Jones |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Occupation | 39 |
| Industry | Janitor |
| Class of Worker | W.P.A. District Office |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | 39 |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1908 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leroy | Age | Birth yr |
|---|---|---|---|---|
| Mae Lehan | Daughter | — | 12 | ~1928 |
| Leroy Jones | Head | — | 32 | ~1908 |
| Rubin Jones | Son | — | 5 | ~1935 |
| Earl Jones | Son | — | 8 | ~1932 |
| Leroy Jones | Son | — | 10 | ~1930 |
| Ella Jones | Spouse | — | 30 | ~1910 |
Census Appearances
1910
Duval, Florida
Other, age 2
Duval, Florida · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Leroy |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1920
Duval, Florida
Other, age 12
Duval, Florida · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Leroy |
| Relationship to Head | Grand Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Duval, Florida
Son, age 22
Duval, Florida · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 19 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Feeder |
| Industry | Lath Machine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Duval-County, Florida
Head, age 32
Duval-County, Florida · implied b. ~1908 — 6 household members
| Surname | Jones |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (County) | Duval |
| Occupation | 39 |
| Industry | Janitor |
| Class of Worker | W.P.A. District Office |
| 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 Leroy Jones across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otis Brown (~0.60 confidence) and mother Adaline Brown (~0.60 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.6
Father
Otis Brown
b. ~1899
Source father
● Household
· direct · ~0.6
Mother
Adaline Brown
b. ~1906
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Leroy Jones
Head · 1940 · age 32 · b. ~1908 · 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-t0627-00626-00665)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Lee Lashbrook | 2 | Daughter | — | Florida |
| 2 | Isiah Gourdine | 49 | Head | 0 | S Carolina |
| 3 | Rosa Gourdine | 46 | Wife | 0 | S Carolina |
| 4 | Rosa Gourdine | 10 | Daughter | — | S Carolina |
| 5 | Ophelia Jones | 59 | Head | 4 | Florida |
| 6 | Dora Jones | 29 | Daughter | — | Florida |
| 7 | Ralph Jones | 25 | Son | 44 | Florida |
| 8 | Bob Jones | 23 | Son | 44 | Florida |
| 9 | Ophelia Spencer | 20 | Daughter | 0 | Florida |
| 10 | Roosevelt Marshall | 16 | Son-in-law | — | Florida |
| 11 | Estee Spencer | 21 | Son-in-law | 42 | Georgia |
| 12 | Bettie J. Spencer | 3 | Granddaughter | — | Florida |
| 13 | Henry Spencer | 9 | Grandson | — | Florida |
| 14 | William Jones | 46 | Head | 42 | Florida |
| 15 | Francis Jones | 42 | Wife | 0 | Florida |
| 16 | Ellis Maxwell | 71 | Lodger | 0 | Georgia |
| 17 | Emmett Collins | 42 | Head | 42 | Georgia |
| 18 | Annie Collins | 27 | Wife | 0 | Georgia |
| 19 | Robert Mccants | 26 | Brother-in-law | 42 | Georgia |
| 20 | Rosalee Mccants | 29 | Sister-in-law | 0 | Georgia |
| 21 | Katherine Mccants | 15 | Neice | 0 | Georgia |
| 22 | Ruth Beard | 9 | Lodger | — | Georgia |
| 23 | Standley Moore | 41 | Head | 42 | Arkansas |
| 24 | Letty Moore | 31 | Wife | — | Peru |
| 25 | Felden Broisey | 27 | Head | 42 | Georgia |
| 26 | Mable Broisey | 20 | Wife | 0 | Georgia |
| 27 | Leroy Jones THIS PERSON | 32 | Head | 39 | Florida |
| 28 | Ella Mae Jones | 30 | Wife | 0 | Georgia |
| 29 | Mae Lehan | 12 | Daughter | — | Florida |
| 30 | Leroy Jr. Jones | 10 | Son | — | Florida |
| 31 | Earl Jones | 8 | Son | — | Florida |
| 32 | Rubin Jones | 5 | Son | — | Florida |
| 33 | Ellen Walton | 65 | Head | 0 | Georgia |
| 34 | Luvenia Walton | 52 | Daughter | 44 | Georgia |
| 35 | Clyde Coleman | 34 | Head | 44 | S Carolina |
| 36 | Thelma Coleman | 30 | Wife | 0 | Florida |
| 37 | Miller Walker | 23 | Head | 42 | Georgia |
| 38 | Rosetta Walker | 24 | Wife | 0 | Georgia |
| 39 | James Hayes | 38 | Head | 60 | Florida |
| 40 | Meta Hayes | 35 | Wife | 0 | Georgia |
Pedigree Summary
Leroy
Gen 1 · 2 parents
~0.6
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)