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William Williamson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this William Williamson across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Julius & James — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Ohio
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | laborer |
| Industry | construction |
| Class of Worker | PW |
| Hours Worked | 52 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Helen Ewert | Daughter | — | 35 | ~1905 |
| Anna Ewert | Daughter | — | 43 | ~1897 |
| Julius Ewert | Head | — | 73 | ~1867 |
| William Williamson | Son | — | 23 | ~1917 |
| Edward Ewert | Son | — | 41 | ~1899 |
Census Appearances
1920
Cuyahoga, Ohio
Son, age 2
Cuyahoga, Ohio · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 12
Cuyahoga, Ohio · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | William B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 23
Cuyahoga-County, Ohio · implied b. ~1917 — 5 household members
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Occupation | laborer |
| Industry | construction |
| Class of Worker | PW |
| Hours Worked | 52 |
| Highest Grade | H-1 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Williamson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Julius Ewert (~0.92 confidence) and father James Williamson (~0.92 confidence) and father James Williamson (~0.92 confidence) and mother Hellen Williamson (~0.92 confidence) and mother Helen Williamson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Julius Ewert
b. ~1867
Source father
● Household
· direct · ~0.92
Father
James Williamson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
James Williamson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Hellen Williamson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Helen Williamson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Williamson
Son · 1940 · age 23 · b. ~1917 · Ohio
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Sibling
Anna Ewert
Sibling · 1940 · age 43
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Ewert
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Ewert
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03212-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Gira | 31 | Head | Weigher | Ohio |
| 2 | Thelma C. Gira | 30 | Wife | — | Ohio |
| 3 | Lee Gira | 7 | Son | — | Ohio |
| 4 | Wayne Gira | 5 | Son | — | Ohio |
| 5 | Isadore Keller | 21 | Lodger | Apprentice Engraver | Ohio |
| 6 | Andrew Guitral | 39 | Head | Steam Engineer | Ohio |
| 7 | Mary Nelker | 72 | Aunt | — | Ohio |
| 8 | Frank Brenner | 42 | Head | Painting And Paperhanging | Austria |
| 9 | Bertha Brenner | 40 | Wife | — | Austria |
| 10 | Anna Brenner | 17 | Daughter | — | Ohio |
| 11 | Bertha Brenner | 15 | Daughter | — | Ohio |
| 12 | Frank Smith | 34 | Head | Advertising Agent | Ohio |
| 13 | Gertrude Smith | 33 | Wife | — | Ohio |
| 14 | Robert Smith | 9 | Son | — | Ohio |
| 15 | James Smith | 8 | Son | — | Ohio |
| 16 | Julius Fehlan | 75 | Head | — | Poland |
| 17 | Juliana Fehlan | 81 | Wife | — | Poland |
| 18 | Oscar Spidle | 32 | Head | Milling Machine Operator | Pennsylvania |
| 19 | Clara Spidle | 30 | Wife | — | Pennsylvania |
| 20 | Dolores Spidle | 14 | Daughter | — | Pennsylvania |
| 21 | George Sullivan | 36 | Head | Knitter | Rhode Island |
| 22 | Pauline Sullivan | 37 | Wife | Nurse | Ohio |
| 23 | Francis Sullivan | 22 | Brother | Dyeman | Rhode Island |
| 24 | Benedict Charlins | 41 | Head | Machinist | New York |
| 25 | Martha Charlins | 40 | Wife | — | New York |
| 26 | Martha L. Charlins | 19 | Daughter | New Worker | Ohio |
| 27 | Dolores Charlins | 13 | Daughter | — | Ohio |
| 28 | Donna Marie Charlins | 8 | Daughter | — | Ohio |
| 29 | Etta Mae Charlins | 5 | Daughter | — | Ohio |
| 30 | Benedict Charlins | 1 | Son | — | Ohio |
| 31 | Julius Ewert | 73 | Head | — | Germany |
| 32 | Anna Ewert | 43 | Daughter | — | Ohio |
| 33 | Edward Ewert | 41 | Son | — | Ohio |
| 34 | Helen Ewert | 35 | Daughter | Telephone Operator | Ohio |
| 35 | William Williamson THIS PERSON | 23 | Son | Laborer | Ohio |
| 37 | Hattie Nazernow | 52 | Head | — | Ohio |
| 38 | Clarence Nazernow | 35 | Brother | Laborer | Ohio |
| 39 | Bertha Nazernow | 78 | Mother | — | Ohio |
| 40 | George M. Savage | 53 | Head | Pattern Maker | Ohio |
Pedigree Summary
William + 3 siblings
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)