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Helen Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Helen Mitchell across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents A & James — first a spouse (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Mitchell |
| Given Name | Helen D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avalon Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Avalon Boro |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Mitchell | Spouse | — | 30 | ~1910 |
| Elmer Mitchell | Head | — | 38 | ~1902 |
| John Mitchell | Son | — | 4 | ~1936 |
| Wilda Mitchell | Daughter | — | 7 | ~1933 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 8
Allegheny, Pennsylvania · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 19
Allegheny, Pennsylvania · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Assistant |
| Industry | Power office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 30
Allegheny-County, Pennsylvania · implied b. ~1910 — 4 household members
| Surname | Mitchell |
| Given Name | Helen D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avalon Boro |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H 4 |
| 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 Mitchell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father A Mitchell (~0.92 confidence) and father James Mitchell (~0.92 confidence) and mother Anna Mitchell (~0.92 confidence) and mother Elizabeth Mitchell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
A Mitchell
b. ~1890
Source father
● Household
· direct · ~0.92
Father
James Mitchell
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Anna Mitchell
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Mitchell
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mitchell
Spouse · 1940 · age 30 · b. ~1910 · 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-t0627-03397-00199)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James D. Swansey | 73 | Head | Packer | Pennsylvania |
| 2 | Josephine Swansey | 72 | Wife | — | Connecticut |
| 3 | James D. Jr. Swansey | 49 | Son | Postal Clerk | Pennsylvania |
| 4 | Luella H. Swansey | 47 | Daughter | File Clerk | Pennsylvania |
| 5 | Thomas R. Armstrong | 47 | Head | Salesman | Pennsylvania |
| 6 | Sarah P. Armstrong | 45 | Wife | — | Pennsylvania |
| 7 | Samuel J. Sokol | 30 | Head | Salesman | Pennsylvania |
| 8 | Letitia Sokol | 29 | Wife | — | Pennsylvania |
| 9 | Margaret M. Arthur | 67 | Head | — | Pennsylvania |
| 10 | Phillip B. Seibert | 64 | Head | — | Pennsylvania |
| 11 | Henrietta Seibert | 62 | Wife | — | Pennsylvania |
| 12 | Phillip G. Seibert | 31 | Son | File Clerk | Pennsylvania |
| 13 | Eugene Petras | 24 | Head | Bookkeeper | Pennsylvania |
| 14 | Richard H. Wilson | 24 | Head | Cost Clerk | Pennsylvania |
| 15 | Alice M. Wilson | 48 | Mother | — | Pennsylvania |
| 16 | Alice J. Wilson | 13 | Sister | — | Pennsylvania |
| 17 | Louis P. Zurbuch | 78 | Head | — | France |
| 18 | Anna M. Zurbuch | 43 | Daughter | — | Pennsylvania |
| 19 | Henrietta C. Fleming | 83 | Head | — | Pennsylvania |
| 20 | Carrie B. Fleming | 68 | Head | — | Ohio |
| 21 | Wilbur H. Kelley | 43 | Head | Teller | Pennsylvania |
| 22 | Mary M. Kelley | 41 | Wife | — | Pennsylvania |
| 23 | Wilbur H. Kelley | 9 | Son | — | Pennsylvania |
| 24 | Carolyn A. Kelley | 6 | Daughter | — | Pennsylvania |
| 25 | Agnes Daughman | 79 | Head | — | Scotland |
| 26 | Bella Daughman | 49 | Daughter | Stenographer | Ohio |
| 27 | John V. Adams | 31 | Head | Mason | Pennsylvania |
| 28 | Eleanor J. Adams | 26 | Wife | — | Pennsylvania |
| 29 | William D. Boder | 47 | Head | — | Pennsylvania |
| 30 | Mable M. Boder | 42 | Wife | — | Pennsylvania |
| 31 | William D. Jr. Boder | 20 | Son | — | Pennsylvania |
| 32 | William H. Hormerick | 63 | Head | Watchman | Pennsylvania |
| 33 | William H. Hormerick | 28 | Son | Arch. Draftsman | Pennsylvania |
| 34 | Rosemary M. Hormerick | 25 | Daughter | Dress Maker | Pennsylvania |
| 35 | Paul J. Hormerick | 23 | Son | Driver | Pennsylvania |
| 36 | George B. Hormerick | 21 | Son | Shop Worker | Pennsylvania |
| 37 | Elmer H. Mitchell | 38 | Head | Mail Clerk | Ohio |
| 38 | Helen D. Mitchell THIS PERSON | 30 | Wife | — | Pennsylvania |
| 39 | Wilda J. Mitchell | 7 | Daughter | — | Pennsylvania |
| 40 | John D. Mitchell | 4 | Son | — | Pennsylvania |
Pedigree Summary
Helen
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)