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Helen King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Helen King across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Viola — first a daughter (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Female
Daughter
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | King |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen King | Daughter | — | 25 | ~1915 |
| Hilda Woelfer | Daughter | — | 19 | ~1921 |
| William Woelfer | Head | — | 48 | ~1892 |
| Magdalene Schirmer | Other | — | 86 | ~1854 |
| Robert King | Other | — | 25 | ~1915 |
| Robert King | Son | — | 4 | ~1936 |
| William Woelfer | Son | — | 22 | ~1918 |
| Mathilda Woelfer | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Henrietta |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 15
Allegheny, Pennsylvania · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Henrietta |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laundress |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 8 household members
| Surname | King |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Highest Grade | Hs 4 |
| 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 Helen King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James King (~0.92 confidence) and mother Viola King (~0.92 confidence) and mother Mathilda Woelfer (~0.92 confidence) and father William Woelfer (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James King
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Viola King
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Mathilda Woelfer
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
William Woelfer
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen King
Daughter · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
William Woelfer
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilda Woelfer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert King
Sibling · 1940 · age 4
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03674-00674)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Hayne | 5 | Son | — | Pennsylvania |
| 42 | Steven Butcher | 44 | Head | Electric Welder | Pennsylvania |
| 43 | Anna Butcher | 42 | Wife | — | Pennsylvania |
| 44 | Lillian Butcher | 20 | Daughter | Clerk | Pennsylvania |
| 45 | Felix Lutz | 44 | Head | Molder | Pennsylvania |
| 46 | Isabel Lutz | 46 | Wife | — | Pennsylvania |
| 47 | Catherine Lutz | 23 | Daughter | Clerk | Pennsylvania |
| 48 | Robert Lutz | 17 | Son | — | Pennsylvania |
| 50 | Edward Hundick | 36 | Head | Steward | Pennsylvania |
| 51 | Edna Hundick | 33 | Wife | — | Pennsylvania |
| 53 | William Woelfer | 48 | Head | Fireman | Pennsylvania |
| 54 | Mathilda Woelfer | 48 | Wife | — | Pennsylvania |
| 55 | William Woelfer | 22 | Son | Winder | Pennsylvania |
| 56 | Hilda Woelfer | 19 | Daughter | Clerk | Pennsylvania |
| 57 | Robert King | 25 | Son-in-law | Assistant Foreman | Pennsylvania |
| 58 | Helen King THIS PERSON | 25 | Daughter | — | Pennsylvania |
| 59 | Robert King | 4 | Son | — | Pennsylvania |
| 60 | Magdalene Schirmer | 86 | Mother-in-law | — | Germany |
| 61 | Joseph Pfister | 31 | Head | Butcher | Pennsylvania |
| 62 | Theresa Pfister | 30 | Wife | — | Pennsylvania |
| 63 | Joseph Werner | 58 | Head | Laborer | Austria |
| 64 | Marie Werner | 53 | Wife | — | Austria |
| 65 | Louis Werner | 25 | Son | Laborer | Pennsylvania |
| 66 | Herbert Werner | 19 | Son | New Worker | Pennsylvania |
| 67 | Gus Lubstach | 40 | Lodger | Laborer | Austria |
| 69 | Frank Horack | 42 | Head | Laborer | Pennsylvania |
| 70 | Bertha Horack | 45 | Wife | — | Pennsylvania |
| 71 | Ruth Horack | 18 | Daughter | Salesgirl | Pennsylvania |
| 72 | Roscoe Jones | 56 | Head | Installer | Pennsylvania |
| 73 | Theresa Jones | 49 | Wife | — | Pennsylvania |
| 74 | Joseph Saska | 34 | Head | Registrar | Pennsylvania |
| 75 | Sarah Saska | 32 | Wife | Clerk | Pennsylvania |
| 77 | Philip Webster | 45 | Head | Policeman | Maine |
| 78 | Barbara Webster | 45 | Wife | — | Scotland |
| 79 | Joseph Krall | 35 | Head | Shipper | Pennsylvania |
| 80 | Wierda Krall | 31 | Wife | — | Pennsylvania |
Pedigree Summary
Helen + 3 siblings
Gen 1 · 4 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)