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Helen Snyder — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Helen Snyder across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
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 | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| William Snyder | Son | — | 26 | ~1914 |
| Rita Snyder | Daughter | — | 12 | ~1928 |
| Helen Snyder | Daughter | — | 11 | ~1929 |
| Jack Snyder | Son | — | 9 | ~1931 |
| Eugene Snyder | Son | — | 25 | ~1915 |
| Harry Snyder | Son | — | 20 | ~1920 |
| Marie Snyder | Spouse | — | 48 | ~1892 |
| Mary Snyder | Daughter | — | 14 | ~1926 |
| William Snyder | Head | — | 51 | ~1889 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 3
Allegheny, Pennsylvania · implied b. ~1927 — 4 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 |
1940
Allegheny-County, Pennsylvania
Daughter, age 11
Allegheny-County, Pennsylvania · implied b. ~1929 — 9 household members
| Surname | Snyder |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Snyder
Daughter · 1940 · age 11 · b. ~1929 · Pennsylvania
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Sibling
William Snyder
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Snyder
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Snyder
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Snyder
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Snyder
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Snyder
Sibling · 1940 · age 20
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
40 people indexed on this census page (nara:1940:m-t0627-03670-00081)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Diven | 10 | Son | — | Pennsylvania |
| 2 | Kathleen Diven | 7 | Daughter | — | Pennsylvania |
| 3 | Virginia Diven | 4 | Daughter | — | Pennsylvania |
| 4 | George W. Fenton | 70 | Head | — | Pennsylvania |
| 5 | Ella Fenton | 69 | Wife | — | W. Virginia |
| 6 | John S. Irwin | 77 | Head | — | Pennsylvania |
| 7 | Mary M. Irwin | 69 | Wife | — | Pennsylvania |
| 8 | Hazel Irwin | 44 | Daughter | Clerk | Pennsylvania |
| 9 | Howard Gibson | 52 | Head | Carpenter | Pennsylvania |
| 10 | Anna Gibson | 54 | Wife | — | Pennsylvania |
| 11 | Arthur J. Gibson | 22 | Son | Clerk | Pennsylvania |
| 12 | William A. Gibson | 21 | Son | Clerk | Pennsylvania |
| 13 | Maurice K. Gibson | 27 | Son | Porter | Pennsylvania |
| 14 | Laura Gibson | 22 | Wife | — | Pennsylvania |
| 15 | Janet J. Gibson | 2 | Daughter | — | Pennsylvania |
| 16 | Mother Ridetta | None | F | — | — |
| 17 | Ends Block 32 Hore | 33 | and | — | — |
| 18 | Thomas Davies | 32 | Head | Teacher | Pennsylvania |
| 19 | Mildred Davies | 27 | Wife | — | Pennsylvania |
| 20 | Robert Davies | 2 | Son | — | Pennsylvania |
| 21 | Leah C. Anderson | 61 | Head | — | Pennsylvania |
| 22 | John M. Anderson | 32 | Son | Accountant | Pennsylvania |
| 23 | Leah C. Anderson | 27 | Daughter | Secretary | Pennsylvania |
| 24 | William Anderson | 25 | Son | Salesman | Pennsylvania |
| 25 | Paul J. Anderson | 19 | Son | Usher | Pennsylvania |
| 26 | William J. Snyder | 51 | Head | Bookkeeper | Pennsylvania |
| 27 | Marie Snyder | 48 | Wife | — | Pennsylvania |
| 28 | William J. Jr. Snyder | 26 | Son | Musician | Pennsylvania |
| 29 | Eugene Snyder | 25 | Son | Musician | Pennsylvania |
| 30 | Harry Snyder | 20 | Son | Clerk | Pennsylvania |
| 31 | Mary Snyder | 14 | Daughter | Stenographer | Pennsylvania |
| 32 | Rita Snyder | 12 | Daughter | — | Pennsylvania |
| 33 | Helen Snyder THIS PERSON | 11 | Daughter | — | Pennsylvania |
| 34 | Jack Snyder | 9 | Son | — | Pennsylvania |
| 35 | A. G. Meade | 37 | Head | Tailor | Pennsylvania |
| 36 | C. H. Meade | 36 | Wife | Clerk | Pennsylvania |
| 37 | Louis Proops | 52 | Head | Waiter | Hungary |
| 38 | Rose Proops | 52 | Wife | — | Hungary |
| 39 | Margaret Mcintyre | 60 | Head | — | Pennsylvania |
| 40 | Margaret Mcintyre | 40 | Daughter | — | Pennsylvania |
Related Census Records
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)