MS
Mary Sheridan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Sheridan across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & Hazel — first a daughter (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Sheridan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H-4 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hazel Sheridan | Spouse | — | 50 | ~1890 |
| John Sheridan | Son | — | 18 | ~1922 |
| Catherine Sheridan | Daughter | — | 16 | ~1924 |
| Frank Sheridan | Son | — | 22 | ~1918 |
| Frank Sheridan | Head | — | 54 | ~1886 |
| Mary Sheridan | Daughter | — | 20 | ~1920 |
| Joseph Sheridan | Son | — | 11 | ~1929 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sheridan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| 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 10
Allegheny, Pennsylvania · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sheridan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 20
Allegheny-County, Pennsylvania · implied b. ~1920 — 7 household members
| Surname | Sheridan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H-4 |
| 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 Mary Sheridan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Sheridan (~0.92 confidence) and mother Hazel Sheridan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Sheridan
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Hazel Sheridan
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Sheridan
Daughter · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Sheridan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Sheridan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sheridan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sheridan
Sibling · 1940 · age 16
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-t0627-03668-00247)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Pari M. Lynch | 1 | Son | — | Pennsylvania |
| 42 | Marguerite Morrison | 49 | Lodger | Dental Asst | Pennsylvania |
| 43 | Elizabeth Morrison | 13 | Lodger | Stenographer | Pennsylvania |
| 44 | Charles H. Stuart | 38 | Head | Salesman | Pennsylvania |
| 45 | Cecelia D. Stuart | 43 | Wife | — | Pennsylvania |
| 46 | Charles H. Jr. Stuart | 13 | Son | — | Pennsylvania |
| 47 | Allan Stuart | 9 | Son | — | Pennsylvania |
| 48 | Aileen Stuart | 8 | Daughter | — | Pennsylvania |
| 49 | Andrew Di Litio | 57 | Head | Bricklayer | Italy |
| 50 | Cypria Di Litio | 49 | Wife | — | Italy |
| 51 | Anna Di Litio | 19 | Daughter | New Worker | Pennsylvania |
| 52 | Marino Di Litio | 16 | Son | — | Italy |
| 53 | Viola Di Litio | 13 | Daughter | — | Pennsylvania |
| 54 | Peter Rizoddi | 43 | Brother-in-law | 40 | Italy |
| 55 | Frank Herak | 37 | Head | Salesman | Pennsylvania |
| 56 | Catherine Herak | 23 | Wife | — | Pennsylvania |
| 57 | Bernard Petraglia | 58 | Head | 40 | Italy |
| 58 | Anna D. Petraglia | 52 | Wife | — | Italy |
| 59 | Rose Petraglia | 28 | Daughter | — | Italy |
| 60 | Josephine Petraglia | 27 | Daughter | — | Italy |
| 61 | Philomena Petraglia | 17 | Daughter | — | Pennsylvania |
| 62 | John Petraglia | 14 | Son | — | Pennsylvania |
| 63 | Charles Bowers | 32 | Head | Laborer | W. Virginia |
| 64 | Lillian D. Bowers | 29 | Wife | — | W. Virginia |
| 65 | Margaret Bowers | 12 | Daughter | — | W. Virginia |
| 66 | Glonda Bowers | 7 | Daughter | — | W. Virginia |
| 67 | Minnie Derau | 72 | Mother-in-law | — | W. Virginia |
| 68 | Frank D. Sheridan | 54 | Head | Plumber | Pennsylvania |
| 69 | Hazel Sheridan | 50 | Wife | — | Pennsylvania |
| 70 | Frank Sheridan | 22 | Son | Recreation Leader | Pennsylvania |
| 71 | Mary Sheridan THIS PERSON | 20 | Daughter | — | Pennsylvania |
| 72 | John Sheridan | 18 | Son | Classroom Asst | Pennsylvania |
| 73 | Catherine Sheridan | 16 | Daughter | — | Pennsylvania |
| 74 | Joseph Sheridan | 11 | Son | — | Pennsylvania |
| 75 | Frank Neuman | 28 | Head | Stock Man | Pennsylvania |
| 76 | Mary D. Neuman | 21 | Wife | — | Pennsylvania |
| 77 | Thomas Neuman | 7 | Son | — | Pennsylvania |
| 78 | Mary E. Neuman | 6 | Daughter | — | Pennsylvania |
| 79 | James S. Mebary | 33 | Head | Clerk | Pennsylvania |
| 80 | Catherine Mebary | 30 | Wife | Private Nurse | Ohio |
Pedigree Summary
Mary + 4 siblings
Gen 1 · 2 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)