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Helen Snyder — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Helen Snyder across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Anna — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Snyder |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Cashier |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 568 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Cashier |
| Township / Ward | Pittsburgh City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Anna Snyder | Head | — | 59 | ~1881 |
| Helen Snyder | Daughter | — | 25 | ~1915 |
| John Bloch | Other | — | 23 | ~1917 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 3
Allegheny, Pennsylvania · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 13
Allegheny, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | Helen E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| 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 — 3 household members
| Surname | Snyder |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Cashier |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 568 |
| Highest Grade | No 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 Snyder across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Snyder (~0.92 confidence) and mother Anna Snyder (~0.92 confidence) and mother Katherine Snyder (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Snyder
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Anna Snyder
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Katherine Snyder
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Snyder
Daughter · 1940 · age 25 · b. ~1915 · 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-t0627-03665-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Bilyak | 41 | Wife | — | Russia |
| 2 | William Bilyak | 6 | Son | — | Pennsylvania |
| 3 | Ruth Ann Bilyak | 1 | Daughter | — | Pennsylvania |
| 4 | John Chmieleski | 42 | Head | Crane Operator | Poland |
| 5 | Sophia Chmieleski | 36 | Wife | — | Poland |
| 6 | Bernard Chmieleski | 14 | Son | — | Pennsylvania |
| 7 | Dorothy Chmieleski | 10 | Daughter | — | Pennsylvania |
| 8 | Richard Chmieleski | 5 | Son | — | Pennsylvania |
| 9 | Dyer James | 50 | Head | Engineer Helper | Pennsylvania |
| 10 | Abigail James | 47 | Wife | — | Pennsylvania |
| 11 | Philip James | 26 | Son | Driver | Pennsylvania |
| 12 | James J. James | 22 | Son | Stock Room | Pennsylvania |
| 13 | Edward O'Malley | 35 | Head | Watchman | Pennsylvania |
| 14 | Stella O'Malley | 34 | Wife | Office Clerk | Pennsylvania |
| 15 | Edward W. O'Malley | 12 | Son | — | Pennsylvania |
| 16 | Donna O'Malley | 8 | Daughter | — | Pennsylvania |
| 17 | Mary Gallagher | 54 | Head | — | Pennsylvania |
| 18 | William Gallagher | 55 | Brother | Shipper | Pennsylvania |
| 19 | Clara Mcdermott | 49 | Sister | — | Pennsylvania |
| 20 | Robert Jameson | 65 | Lodger | Engineer | Pennsylvania |
| 21 | Anna Snyder | 59 | Head | — | Poland |
| 22 | Helen Snyder THIS PERSON | 25 | Daughter | Cashier | Pennsylvania |
| 23 | John Bloch | 23 | Lodger | Cook | Michigan |
| 24 | John Taylor | 25 | Head | Clerk | Pennsylvania |
| 25 | Amanda Taylor | 26 | Wife | — | Pennsylvania |
| 26 | John R. Taylor | 2 | Son | — | Pennsylvania |
| 27 | Robert Anderson | 32 | Head | Bricklayer | Pennsylvania |
| 28 | Eva Anderson | 37 | Wife | — | Pennsylvania |
| 29 | Emma Anderson | 14 | Daughter | — | Pennsylvania |
| 30 | Albert Anderson | 12 | Son | — | Pennsylvania |
| 31 | Florence Anderson | 8 | Daughter | — | Pennsylvania |
| 32 | William Molloy | 56 | Head | Puddler | New York |
| 33 | Leonard Kneel | 38 | Head | Janitress | Pennsylvania |
| 34 | Ruth Kneel | 17 | Daughter | Stenographic | Pennsylvania |
| 35 | La Verne Kneel | 14 | Daughter | — | Pennsylvania |
| 36 | Roy O'Neil | 31 | Head | Bricklayer Helper | Pennsylvania |
| 37 | Catherine O'Neil | 31 | Wife | — | Pennsylvania |
| 38 | Dorothy O'Neil | 10 | Daughter | — | Pennsylvania |
| 39 | Kay Lou O'Neil | 8 | Daughter | — | Pennsylvania |
| 40 | Margaret O'Neil | 4 | Daughter | — | Pennsylvania |
Pedigree Summary
Helen
Gen 1 · 3 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)