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Robert Oliver — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Robert Oliver across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents Lee & Mamie — first a head (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Oliver |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Copper Blender |
| Industry | Wholesale Coffee |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1500 |
| Highest Grade | No H4 |
| 1935 Residence | Same Place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Copper Blender |
| Township / Ward | Birmingham |
| Est. Birth Year | ~1906 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Richard Oliver | Son | — | 15 | ~1925 |
| Amelia Oliver | Daughter | — | 12 | ~1928 |
| Julia Oliver | Spouse | — | 34 | ~1906 |
| Julietta Oliver | Daughter | — | 6 | ~1934 |
| Robert Oliver | Head | — | 34 | ~1906 |
| Robert Oliver | Son | — | 9 | ~1931 |
Census Appearances
1920
Jefferson, Alabama
Son, age 13
Jefferson, Alabama · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Steel mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Head, age 24
Jefferson, Alabama · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 18 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Brick Yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 2.00 |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 34
Jefferson-County, Alabama · implied b. ~1906 — 6 household members
| Surname | Oliver |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | Copper Blender |
| Industry | Wholesale Coffee |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1500 |
| Highest Grade | No H4 |
| 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 Robert Oliver across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lee Oliver (~0.92 confidence) and mother Mamie Oliver (~0.92 confidence) and mother Mary Oliver (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lee Oliver
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mamie Oliver
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mary Oliver
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Oliver
Head · 1940 · age 34 · b. ~1906 · 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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00095-00387)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Gilliland | 28 | Head | Proprietor | Alabama |
| 42 | Gladys Gilliland | 24 | Wife | — | Alabama |
| 43 | George Jr Gilliland | 12 | Son | — | Alabama |
| 44 | Richard Gilliland | 8 | Son | — | Alabama |
| 45 | C. J. Weintrite | 47 | Head | Salesman | New York |
| 46 | Marie Weintrite | 45 | Wife | — | Ohio |
| 47 | Jane Weintrite | 21 | Daughter | Dictation Machine Operator | Ohio |
| 48 | Richard Weintrite | 19 | Son | New Worker | Ohio |
| 49 | Robert Weintrite | 18 | Son | — | Ohio |
| 50 | Donald Weintrite | 14 | Son | — | Ohio |
| 51 | J. D. Mccullough | 41 | Head | Proprietor | Florida |
| 52 | Elizabeth Mccullough | 39 | Wife | Office Clerk | Tennessee |
| 53 | J. James Sisley | 19 | Stepson | Shipping Clerk | Tennessee |
| 54 | C. A. Mcbee | 55 | Head | Proprietor | Alabama |
| 55 | Rose D. Mcbee | 45 | Wife | — | Alabama |
| 56 | Mary L. Barrett | 80 | Mother-in-law | — | Alabama |
| 57 | William Zaryaur | 30 | Head | Meat Cutter | Alabama |
| 58 | Emeline Zaryaur | 30 | Wife | Bookkeeper | Alabama |
| 59 | William Jr Zaryaur | 8 | Son | — | Alabama |
| 60 | Robert Zaryaur | 7 | Son | — | Alabama |
| 61 | Clarence Norment | 39 | Head | — | Alabama |
| 62 | Annette Norment | 16 | Daughter | — | Alabama |
| 63 | Francis C. Norment | 14 | Son | — | Alabama |
| 64 | Margrett Norment | 12 | Son | — | Alabama |
| 65 | Robert J. Oliver THIS PERSON | 34 | Head | Copper Blender | Alabama |
| 66 | Julia Oliver | 34 | Wife | Bookkeeper | Alabama |
| 67 | Richard Oliver | 15 | Son | — | Alabama |
| 68 | Amelia C. Oliver | 12 | Daughter | — | Alabama |
| 69 | Robert J. Jr Oliver | 9 | Son | — | Alabama |
| 70 | Julietta Oliver | 6 | Daughter | — | Alabama |
| 71 | Lewis Cato | 34 | Head | Lawyer | Alabama |
| 72 | Johnnie B. Cato | 37 | Wife | — | Texas |
| 73 | Betty L. Cato | 7 | Daughter | — | Alabama |
| 74 | Virginia K. Cato | 3 | Daughter | — | Alabama |
| 75 | Carol Cato | 20 | Sister-in-law | Stenographer | Alabama |
| 76 | Lee C. Darby | 42 | Head | District Manager | Alabama |
| 77 | Elma Darby | 30 | Wife | — | Alabama |
| 78 | Gay Darby | 9 | Daughter | — | Alabama |
| 79 | Martha Jean Darby | 2 | Daughter | — | Alabama |
| 80 | F. L. Waller | 36 | Head | Radio Technician | Tennessee |
Pedigree Summary
Robert
Gen 1 · 3 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)