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Elmer Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this Elmer Brown across the 1920, 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Brown |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1907 |
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 Elmer | Age | Birth yr |
|---|---|---|---|---|
| Elmer Brown | Head | — | 33 | ~1907 |
| Bennie Early | Other | — | 32 | ~1908 |
| James Brown | Son | — | 23 | ~1917 |
Census Appearances
1920
Lee, Florida
Son, age 13
Lee, Florida · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Elmo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Dade, Florida
Other, age 22
Dade, Florida · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Elmore |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Georgia |
| Age at First Marriage | 21 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Helper |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Duval-County, Florida
Head, age 33
Duval-County, Florida · implied b. ~1907 — 3 household members
| Surname | Brown |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Elmer Brown across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Mary Mills (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Mills
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Brown
Head · 1940 · age 33 · b. ~1907 · 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-t0627-00626-00396)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jerry Burton | 49 | Head | Nightwatch | Georgia |
| 42 | Clara Burton | 47 | Wife | — | Georgia |
| 43 | Charles Stevens | 26 | Head | Packer | Georgia |
| 44 | Rosa Stevens | 23 | Wife | — | Georgia |
| 45 | Elmer Brown THIS PERSON | 33 | Head | — | Georgia |
| 46 | James Brown | 23 | Son | Taxi Driver | Georgia |
| 47 | Bennie Early | 32 | Lodger | Laborer | Florida |
| 48 | Tom Mathis | 50 | Head | Longshoreman | Georgia |
| 49 | Anna Mathis | 37 | Wife | — | Georgia |
| 50 | Rosa Mathis | 4 | Daughter | — | Florida |
| 51 | Hattie Jones | 28 | Head | Laundress | Florida |
| 52 | Hillyer Woods | 50 | Head | Laborer | Georgia |
| 53 | Lannie Woods | 32 | Wife | Maid | Florida |
| 54 | Pinky Woods | 15 | Daughter | — | Florida |
| 55 | James Woods | 12 | Son | — | Florida |
| 56 | James Baker | 49 | Head | — | Georgia |
| 57 | Carrie Baker | 39 | Wife | — | Georgia |
| 58 | Early Baker | 25 | Daughter | Laborer | Georgia |
| 59 | Hattie Baker | 20 | Daughter | Nurse | Florida |
| 60 | Ezra M. Baker | 18 | Daughter | Maid | Florida |
| 61 | Leroy Baker | 15 | Son | Laborer | Florida |
| 62 | Edith Baker | 13 | Daughter | — | Florida |
| 63 | James Baker | 11 | Son | — | Florida |
| 64 | Ernest Baker | 9 | Son | — | Florida |
| 65 | Paris Baker | 7 | Daughter | — | Florida |
| 66 | Curtis Baker | 3 | Son | — | Florida |
| 67 | Carrie Baker | 0 | Daughter | — | Florida |
| 68 | George Dunbar | 41 | Head | Cigar Maker | Georgia |
| 69 | Catherine Dunbar | 31 | Wife | Laborer | Georgia |
| 70 | Annie M. Dunbar | 12 | Daughter | Maid | Georgia |
| 71 | Freddie Burton | 30 | Head | Waiter | Georgia |
| 72 | Maggie Burton | 26 | Wife | — | Florida |
| 73 | Florence Dancer | 43 | Mother-in-law | Maid | Florida |
| 74 | Ruffin Moore | 39 | Head | Baker | Georgia |
| 75 | Carrie Moore | 34 | Wife | — | Georgia |
| 76 | Ruffin Jr. Moore | 13 | Son | — | Florida |
| 77 | Mildred Moore | 11 | Daughter | — | Florida |
| 78 | Alford Moore | 9 | Son | — | Florida |
| 79 | Evelyn Moore | 7 | Daughter | — | Florida |
| 80 | Nathaniel Moore | 5 | Son | — | Florida |
Pedigree Summary
Elmer
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)