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William Washington — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this William Washington across the 1920, 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 6-person household.
Age 68
b. ~1872
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Washington |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Occupation | No |
| Industry | No |
| Class of Worker | No |
| Highest Grade | No 2 |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Youngstown |
| Est. Birth Year | ~1872 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| May Washington | Spouse | — | 66 | ~1874 |
| William Washington | Head | — | 68 | ~1872 |
| Mabel Costa | Daughter | — | 33 | ~1907 |
| Marcus Costa | Other | — | 3 | ~1937 |
| Aurelia Washington | Daughter | — | 31 | ~1909 |
| Willie Washington | Daughter | — | 38 | ~1902 |
Census Appearances
1920
Mahoning, Ohio
Head, age 45
Mahoning, Ohio · implied b. ~1875 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | S Carolina |
| Mother's Birthplace | Virginia |
| Occupation | Labor |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Mahoning, Ohio
Head, age 55
Mahoning, Ohio · implied b. ~1875 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 20 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Mahoning-County, Ohio
Head, age 68
Mahoning-County, Ohio · implied b. ~1872 — 6 household members
| Surname | Washington |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (County) | Mahoning |
| Occupation | No |
| Industry | No |
| Class of Worker | No |
| Highest Grade | No 2 |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Washington across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Washington
Head · 1940 · age 68 · b. ~1872 · 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
38 people indexed on this census page (nara:1940:m-t0627-03267-00398)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patricia Altier | 1 | Daughter | — | Ohio |
| 2 | Daniel Nemith | 52 | Head | No | Hungary |
| 3 | Julia Nemith | 52 | Wife | No | Hungary |
| 4 | Joseph Nemith | 29 | Son | Laborer | Hungary |
| 5 | Hazel Nemith | 17 | Son | No | Ohio |
| 6 | Elizabeth Nemith | 16 | Daughter | No | Ohio |
| 7 | Isabell Nemith | 11 | Daughter | — | Ohio |
| 8 | William Washington THIS PERSON | 68 | Head | No | Tennessee |
| 9 | May Bell Washington | 66 | Wife | No | Tennessee |
| 10 | Willie Washington | 38 | Daughter | 40 | Tennessee |
| 11 | Aurelia Washington | 31 | Daughter | 40 | Tennessee |
| 12 | Mabel Costa | 33 | Daughter | No | Tennessee |
| 13 | Marcus Costa | 3 | Grandson | — | Ohio |
| 14 | Lester Eberhart | 33 | Head | 48 | Ohio |
| 15 | Louise Eberhart | 29 | Wife | No | Georgia |
| 16 | Jerry Eberhart | 7 | Son | — | Ohio |
| 17 | Jean Eberhart | 3 | Daughter | — | Ohio |
| 18 | John Tod | 69 | Head | 32 | Ohio |
| 19 | Grace Tod | 67 | Wife | No | New York |
| 20 | Nellie Roach | 25 | Servant | 48 | New York |
| 21 | Betty Gordon | 30 | Servant | 48 | Pennsylvania |
| 22 | Anne Warden | 47 | Servant | 48 | Pennsylvania |
| 25 | Elizabeth Kates | 60 | Head | No | Ohio |
| 26 | Amanda Johnson | 55 | Servant | Cook | Sweden |
| 27 | Mollie Beckman | 65 | Servant | 40 | Ohio |
| 28 | Frank Higgins | 46 | Head | 48 | Ohio |
| 29 | Marie Higgins | 44 | Wife | No | Ohio |
| 30 | Elaine Higgins | 18 | Daughter | — | Ohio |
| 31 | Kathleen Higgins | 11 | Daughter | — | Ohio |
| 32 | Jack Higgins | 9 | Son | — | Ohio |
| 33 | Myra Rosensteel | 65 | Lodger | No | nr State |
| 34 | Ray M. Thompson | 40 | Head | 48 | Ohio |
| 35 | Ellen U. Thompson | 30 | Wife | Owner | Panama Canal |
| 36 | Minnie L. Thompson | 56 | Mother | No | Ohio |
| 37 | Sara M. Spinka | 23 | Sister in Law | 44 | Ohio |
| 38 | Barbara Ann Spinka | 13 | Sister in Law | — | Ohio |
| 39 | Theresa H. Gillen | 62 | Head | 48 | Ohio |
| 40 | Austin Gillen | 39 | Son | 48 | Ohio |
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)