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William Oliver — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this William Oliver across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 12-person household.
Age 43
b. ~1897
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Oliver |
| Given Name | William E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Occupation | Labor |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 1113 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Labor |
| Township / Ward | Youngstown |
| Est. Birth Year | ~1897 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Martha Oliver | Daughter | — | 5 | ~1935 |
| Doris Oliver | Daughter | — | 10 | ~1930 |
| Helen Oliver | Daughter | — | 14 | ~1926 |
| Catherine Oliver | Daughter | — | 19 | ~1921 |
| Mary Oliver | Daughter | — | 6 | ~1934 |
| William Oliver | Head | — | 43 | ~1897 |
| William Oliver | Son | — | 17 | ~1923 |
| Donald Oliver | Son | — | 10 | ~1930 |
| James Oliver | Son | — | 9 | ~1931 |
| Alfred Oliver | Son | — | 12 | ~1928 |
| Ernest Oliver | Son | — | 16 | ~1924 |
| Bertha Oliver | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Mahoning, Ohio
Head, age 33
Mahoning, Ohio · implied b. ~1897 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 22 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 26 |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Mahoning-County, Ohio
Head, age 43
Mahoning-County, Ohio · implied b. ~1897 — 12 household members
| Surname | Oliver |
| Given Name | William E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Youngstown |
| 1935 Residence (County) | Mahoning |
| Occupation | Labor |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 1113 |
| Highest Grade | Hs 4 |
| 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 William Oliver across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Oliver
Head · 1940 · age 43 · b. ~1897 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mahoning-County, Ohio
Open full size
1940 US Federal Census — Mahoning-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03270-00531)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arthur Etta | 66 | Lodger | Retail Custom Market | Ohio |
| 42 | Anam Abdu | 47 | Head | Labor | Arabia |
| 43 | Annette Ricks | 46 | Lodger | Housekeeper | N. Carolina |
| 44 | Charles Davis | 39 | Lodger | Machine Operator | Virginia |
| 46 | William E. Oliver THIS PERSON | 43 | Head | Labor | Alabama |
| 47 | Bertha Oliver | 42 | Wife | — | Alabama |
| 48 | Catherine Oliver | 19 | Daughter | — | Ohio |
| 49 | William Jr. Oliver | 17 | Son | Car Washer | Alabama |
| 50 | Ernest Oliver | 16 | Son | — | Ohio |
| 51 | Helen Oliver | 14 | Daughter | — | Ohio |
| 52 | Alfred Oliver | 12 | Son | — | Ohio |
| 53 | Donald Oliver | 10 | Son | — | Ohio |
| 54 | Doris Oliver | 10 | Daughter | — | Ohio |
| 55 | James Oliver | 9 | Son | — | Ohio |
| 56 | Martha Oliver | 5 | Daughter | — | Ohio |
| 57 | Mary Oliver | 6 | Daughter | — | Ohio |
| 58 | James Cherity | 42 | Head | Labor | Virginia |
| 59 | Cassie Cherity | 31 | Wife | — | Virginia |
| 60 | Richard Bennett | 43 | Head | Car Washer | Indiana |
| 61 | Leo Bennett | 35 | Wife | — | Indiana |
| 62 | Prince Bennett | 15 | Son | — | Ohio |
| 63 | Louise Schafer | 71 | Head | — | Ohio |
| 64 | Bertha Dahlman | 76 | Lodger | — | Switzerland |
| 65 | Minnie Morgan | 57 | Lodger | Housekeeper | W. Virginia |
| 66 | Lawrence Mcknight | 40 | Head | Painter | Pennsylvania |
| 67 | Frank L. Mcknight | 67 | Father | Paper Hanger | Pennsylvania |
| 68 | Angie Mcknight | 65 | Mother | — | Pennsylvania |
| 69 | Jane Mcknight | 21 | Sister | — | Ohio |
| 70 | Glenn Hartman | 22 | Lodger | Truck Driver | Pennsylvania |
| 71 | Hedda Jean Hartman | 0 | Lodger | — | Ohio |
| 72 | Alonzo Fancher | 33 | Head | Labor | Georgia |
| 73 | Bertha Fancher | 51 | Mother | — | Georgia |
| 74 | Jack Fancher | 15 | Son | — | Ohio |
| 75 | Catherine Bruce | 50 | Head | Nurse Aid | Ohio |
| 76 | Robert Bruce | 20 | Daughter | Salesman | Ohio |
| 77 | Violet Morgan | 23 | Daughter | Assembler | Ohio |
| 78 | Chloe B. Morgan | 1 | Daughter | — | Ohio |
| 79 | Lee Patterson | 43 | Head | Painter | W. Virginia |
| 80 | Helene Patterson | 37 | Wife | — | W. Virginia |
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)