OS
Oliver Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Alabama
Our Model Tree links this Oliver Smith across the 1910, 1920, 1930 and 1940 US Censuses in Marshall-County, Alabama (XGBoost, ~Confirmed), with identified parents Sarah & John — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Alabama |
| Surname | Smith |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | 27 |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 10 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farmer |
| Township / Ward | 27 |
| Est. Birth Year | ~1901 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oliver | Age | Birth yr |
|---|---|---|---|---|
| Bessie Smith | Spouse | — | 37 | ~1903 |
| Oliver Smith | Head | — | 39 | ~1901 |
| J Smith | Son | — | 17 | ~1923 |
| J Smith | Daughter | — | 11 | ~1929 |
Census Appearances
Son, age 13
Marshall, Alabama · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ollie A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Georgia |
| Occupation | Farm laborer |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Marshall, Alabama
Son, age 19
Marshall, Alabama · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Georgia |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Marshall, Alabama
Head, age 30
Marshall, Alabama · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 21 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Marshall-County, Alabama
Head, age 39
Marshall-County, Alabama · implied b. ~1901 — 4 household members
| Surname | Smith |
| Given Name | Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | 27 |
| 1935 Residence (County) | Marshall |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 10 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Oliver Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Smith (~0.92 confidence) and father John Smith (~0.92 confidence) and father John Smith (~0.92 confidence) and mother Sarah Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sarah Smith
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
John Smith
b. ~1870
Source father
● Household
· direct · ~0.92
Father
John Smith
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Sarah Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oliver Smith
Head · 1940 · age 39 · b. ~1901 · Alabama
★ 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 — Marshall-County, Alabama
Open full size
1940 US Federal Census — Marshall-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00061-00451)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Ingle | 58 | Head | Farmer | Tennessee |
| 42 | May Ingle | 38 | Wife | — | Tennessee |
| 43 | Robert Ingle | 15 | Son | — | Alabama |
| 44 | Isiah Southard | 32 | Son-in-law | Farmer | Arkansas |
| 45 | Rowena Southard | 17 | Daughter | — | Alabama |
| 46 | George A. Dunn | 52 | Head | Farmer | Alabama |
| 47 | Mittie Dunn | 39 | Wife | — | Alabama |
| 48 | Inez Dunn | 23 | Daughter | — | Alabama |
| 49 | Frank Dunn | 21 | Son | Laborer | Alabama |
| 50 | Buford Dunn | 19 | Son | Laborer | Alabama |
| 51 | Wiley Nixon | 36 | Head | Farmer | Alabama |
| 52 | Jewel Nixon | 31 | Wife | — | North Carolina |
| 53 | Wanetta Nixon | 11 | Daughter | — | Alabama |
| 54 | Nellie Nixon | 8 | Daughter | — | Alabama |
| 55 | Betty Jean Nixon | 2 | Daughter | — | Alabama |
| 56 | Leonard Dean Nixon | 0 | Daughter | — | Alabama |
| 57 | Jim Tom Nixon | 73 | Head | Farmer | Georgia |
| 58 | Beeba Nixon | 60 | Wife | — | Alabama |
| 59 | Alverine Nixon | 15 | Granddaughter | — | Alabama |
| 60 | Maxine Nixon | 10 | Granddaughter | — | Alabama |
| 61 | Hershel Nixon | 4 | Grandson | — | Alabama |
| 62 | Jack Thomas | 48 | Head | Farmer | Alabama |
| 63 | May Belle Thomas | 48 | Wife | — | Alabama |
| 64 | Clarice Thomas | 21 | Daughter | — | Alabama |
| 65 | Newman Thomas | 19 | Son | — | Alabama |
| 66 | Hershel Thomas | 17 | Son | — | Alabama |
| 67 | Margell Thomas | 15 | Daughter | — | Alabama |
| 68 | Oliver Smith THIS PERSON | 39 | Head | Farmer | Alabama |
| 69 | Bessie Smith | 37 | Wife | — | Alabama |
| 70 | J. B. Smith | 17 | Son | — | Alabama |
| 71 | J. De Ruth Smith | 11 | Daughter | — | Alabama |
| 72 | Ernest Stone | 63 | Head | Farmer | Georgia |
| 73 | Eula Stone | 51 | Wife | — | Georgia |
| 74 | Ramonia Stone | 6 | Daughter | — | Alabama |
| 75 | Williamson Pauline Stone | 18 | Stepdaughter | — | Alabama |
| 76 | Gardener Gardner | 28 | Head | Farmer | Alabama |
| 77 | Lois Gardner | 22 | Wife | — | Alabama |
| 78 | Henry J. Gardner | 2 | Son | — | Alabama |
| 79 | Osborn Isbell | 25 | Head | Farmer | Alabama |
| 80 | Lucile Isbell | 22 | Wife | — | Alabama |
Related Census Records
Pedigree Summary
Oliver
Gen 1 · 4 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)