OB
Oscar Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Indian-River-County, Florida
Our Model Tree links this Oscar Brown across the 1910, 1920, 1930 and 1940 US Censuses in Indian-River-County, Florida (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Head
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Indian-River-County, Florida |
| Surname | Brown |
| Given Name | Oscar B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Gifford |
| 1935 Residence (County) | Indian River |
| Additional Details | |
| Occupation | fruit picker |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 250 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Fruit Picker |
| Township / Ward | Gifford |
| Est. Birth Year | ~1905 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Oscar Brown | Head | — | 35 | ~1905 |
| Oscar Brown | Son | — | 1 | ~1939 |
| Frances Brown | Spouse | — | 40 | ~1900 |
Census Appearances
1910
St Lucie, …
Son, age 4
St Lucie, Florida · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1920
St Lucie, …
Son, age 12
St Lucie, Florida · implied b. ~1908 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Indian River, …
Son, age 23
Indian River, Florida · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer |
| Industry | Citrus Grove |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Indian-River-County, Florida
Head, age 35
Indian-River-County, Florida · implied b. ~1905 — 3 household members
| Surname | Brown |
| Given Name | Oscar B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Gifford |
| 1935 Residence (County) | Indian River |
| Occupation | fruit picker |
| Industry | farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 250 |
| Highest Grade | No 7 |
| 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 Oscar Brown across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father William Brown (~0.92 confidence) and father William Brown (~0.92 confidence) and father William Brown (~0.92 confidence) and mother Nancy Brown (~0.92 confidence) and mother Nancy Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Brown
b. ~1881
Source father
● Household
· direct · ~0.92
Father
William Brown
b. ~1882
Source father
● Household
· direct · ~0.92
Father
William Brown
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Nancy Brown
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Nancy Brown
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Brown
Head · 1940 · age 35 · b. ~1905 · 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 — Indian-River-County, Florida
Open full size
1940 US Federal Census — Indian-River-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00592-00652)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence Roebuck | 20 | Lodger | Flower Gardener | Georgia |
| 42 | John Templeton | 21 | Lodger | Flower Gardener | Georgia |
| 43 | William Simmons | 42 | Lodger | Ditch Digger | Georgia |
| 44 | Charles O. Perry | 32 | Lodger | Flower Gardener | Georgia |
| 45 | Savannah Perry | 25 | Lodger's wife | — | Georgia |
| 46 | Arthur Harrell | 30 | Lodger | — | — |
| 47 | Viola Harrell | 24 | Lodger's wife | — | — |
| 48 | Adeline Ross | 18 | Lodger | Houseworker | Georgia |
| 49 | Robert Houston | 25 | Head | Helper | Georgia |
| 50 | William A. Houston | 8 | Son | — | Georgia |
| 51 | Aurellio Demelane | 22 | Lodger | — | Georgia |
| 52 | Mabel Demelane | 21 | Lodger's wife | Sewing | Florida |
| 53 | Rex L. Anders | 24 | Lodger | Farm Laborer | Florida |
| 54 | Coates Stewart | 26 | Lodger | Farm Laborer | Florida |
| 55 | James Ross | 25 | Lodger | Farm Laborer | Georgia |
| 56 | Frank Pope | 27 | Lodger | Farm Laborer | Georgia |
| 57 | James L. Fields | 35 | Head | Farm Laborer | South Carolina |
| 58 | Lacine Fields | 36 | Wife | Vegetable Picker | Florida |
| 59 | Samuel Fields | 22 | Son | Fruit Picker | Florida |
| 60 | William F. Minigan | 29 | Head | — | South Carolina |
| 61 | Oscar B. Brown THIS PERSON | 35 | Head | Fruit Picker | Florida |
| 62 | Frances Brown | 40 | Wife | — | Florida |
| 63 | Oscar B. Jr. Brown | 1 | Son | — | Florida |
| 64 | John Mack | 66 | Head | Farm Laborer | North Carolina |
| 65 | Adeline Mack | 50 | Wife | Cleaner | Florida |
| 66 | Horace Butler | 41 | Head | Porter | Georgia |
| 67 | Florence Butler | 46 | Wife | — | Georgia |
| 68 | John Anderson | 46 | Head | Farm Laborer | Virginia |
| 69 | Alneal Anderson | 39 | Wife | — | Georgia |
| 70 | Melon Anderson | 22 | Son | Road Construction | Florida |
| 71 | John Mckinney | 59 | Head | — | Florida |
| 72 | Thomas Hatton | 47 | Head | Laborer | Georgia |
| 73 | Lily Mae Hatton | 45 | Wife | — | Georgia |
| 74 | Daughter Mathis | None | F | Private Home | — |
| 75 | Alice Mathis | 18 | Daughter | Maid | Georgia |
| 76 | Claude Mathis | 15 | Son | Flower Gardener | Alabama |
| 77 | Mandy Mathis | 14 | Daughter | — | Florida |
| 78 | Mamie Moore | 74 | Head | — | Georgia |
| 79 | Annie Moore | 29 | Daughter | Cook | Florida |
| 80 | Dorothy Pearl Glinton | 13 | Daughter | — | Florida |
Pedigree Summary
Oscar
Gen 1 · 5 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)