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Clarence Hill — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Clarence Hill across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Walter & Atila — first a son (b.~1889), then head of a 2-person household.
Age 51
b. ~1889
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Hill |
| Given Name | Clarence B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Electricians Helper |
| Industry | Ingot Steel Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1543 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Electricians Helper |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1889 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Hill | Son | — | 51 | ~1889 |
| Ottilie Hill | Head | — | 77 | ~1863 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 21
Allegheny, Pennsylvania · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Clarence B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | Receiver |
| Industry | Department Store |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 31
Allegheny, Pennsylvania · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | Workman |
| Industry | Steel Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 41
Allegheny, Pennsylvania · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hill |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | Electrician |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 51
Allegheny-County, Pennsylvania · implied b. ~1889 — 2 household members
| Surname | Hill |
| Given Name | Clarence B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Electricians Helper |
| Industry | Ingot Steel Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1543 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Clarence Hill across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Hill (~0.92 confidence) and mother Atila Hill (~0.92 confidence) and mother Delia Hill (~0.92 confidence) and mother Julia Hill (~0.92 confidence) and mother Ottilie Hill (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Hill
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Atila Hill
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Delia Hill
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Julia Hill
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Ottilie Hill
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Hill
Son · 1940 · age 51 · b. ~1889 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03675-00700)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katherine Flaugh | 20 | Wife | — | Pennsylvania |
| 2 | Frank Frank | 34 | Head | Clerk | Pennsylvania |
| 3 | Margaret Frank | 35 | Wife | — | Pennsylvania |
| 4 | Joseph Janicko | 33 | Head | Receiving Clerk | Pennsylvania |
| 5 | Helen Janicko | 31 | Wife | — | Pennsylvania |
| 6 | Lawrence Janicko | 5 | Son | — | Pennsylvania |
| 7 | John G. Harcarit | 75 | Father | — | Slovakia |
| 8 | Mary S. Harcarit | 70 | Mother | — | Slovakia |
| 9 | Anna Piagga | 49 | Head | — | Italy |
| 10 | Biagio Piagga | 21 | Son | Usher | Pennsylvania |
| 11 | Peter A. Piagga | 16 | Son | Technician Assistant | Pennsylvania |
| 12 | Charles Moticka | 27 | Head | Baker | Pennsylvania |
| 13 | Mary Moticka | 28 | Wife | — | Pennsylvania |
| 14 | Charles Moticka | 7 | Son | — | Pennsylvania |
| 15 | George Krupa | 58 | Head | Laborer | Czechoslovakia |
| 16 | Susan Krupa | 58 | Wife | — | Czechoslovakia |
| 17 | George Krupa | 28 | Son | Butcher | Pennsylvania |
| 18 | Clara Krupa | 25 | Daughter | Feeder | Pennsylvania |
| 19 | Thomas Krupa | 22 | Son | Assistant | Pennsylvania |
| 20 | Helen Krupa | 20 | Daughter | — | Pennsylvania |
| 21 | Veronica Krupa | 15 | Daughter | — | Pennsylvania |
| 22 | Edward Krupa | 13 | Son | — | Pennsylvania |
| 23 | Andrew Tkacik | 73 | Head | — | Czechoslovakia |
| 24 | John Tkacik | 47 | Son | Laborer | Pennsylvania |
| 25 | Mary Tkacik | 45 | Daughter | — | Pennsylvania |
| 26 | Helen Tkacik | 34 | Daughter | Cashier | Pennsylvania |
| 27 | Joseph Vavrek | 34 | Head | Pressman | Czechoslovakia |
| 28 | Margaret Vavrek | 31 | Wife | — | Pennsylvania |
| 29 | Leon Kucharsky | 47 | Head | Tailor | Poland |
| 30 | Marie Kucharsky | 47 | Wife | — | Poland |
| 31 | David G. Kucharsky | 8 | Son | — | Pennsylvania |
| 32 | Henry J. Cibula | 24 | Head | Chemist | Pennsylvania |
| 33 | Margaret Cibula | 26 | Wife | — | Pennsylvania |
| 34 | Ottilie Hill | 77 | Head | — | Illinois |
| 35 | Clarence B. Hill THIS PERSON | 51 | Son | Electricians Helper | Pennsylvania |
| 36 | Andrew Matoka | 46 | Head | Laborer | Czechoslovakia |
| 37 | Susan Matoka | 55 | Wife | — | Czechoslovakia |
| 38 | Joseph Butchko | 35 | Head | Butcher | Pennsylvania |
| 39 | Verna Butchko | 38 | Wife | — | Pennsylvania |
| 40 | Joseph Butchko | 9 | Son | — | Pennsylvania |
Pedigree Summary
Clarence
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)