MS
Mary Short — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Short across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Short |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | salesgirl |
| Industry | 5 and 10 |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 288 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesgirl |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Pauline Short | Daughter | — | 11 | ~1929 |
| Mary Short | Daughter | — | 20 | ~1920 |
| James Short | Son | — | 22 | ~1918 |
| Thomas Short | Head | — | 47 | ~1893 |
| Rose Short | Daughter | — | 15 | ~1925 |
| Elizabeth Short | Spouse | — | 45 | ~1895 |
| Thomas Short | Son | — | 4 | ~1936 |
| Patricia Short | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 10
Allegheny, Pennsylvania · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Short |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| 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 20
Allegheny-County, Pennsylvania · implied b. ~1920 — 8 household members
| Surname | Short |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | salesgirl |
| Industry | 5 and 10 |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 288 |
| 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 Mary Short across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Short
Daughter · 1940 · age 20 · b. ~1920 · Pennsylvania
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Sibling
James Short
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Short
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Short
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Short
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Short
Sibling · 1940 · age 7
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-t0627-03677-00018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Krueger | 29 | Head | Clerk | Pennsylvania |
| 2 | John Krueger | 12 | Son | — | Pennsylvania |
| 3 | Nello Sandroni | 29 | Head | Cook | Italy |
| 4 | Mildred Sandroni | 22 | Wife | — | Pennsylvania |
| 5 | Joseph Sandroni | 33 | Brother | Driver | Italy |
| 6 | Mary Sandroni | 29 | Sister-in-law | Waitress | Pennsylvania |
| 7 | Emma Sandroni | 50 | Mother | — | Italy |
| 8 | Lawrence Sandroni | 15 | Brother | Dishwasher | Pennsylvania |
| 9 | Lewis Ricci | 50 | Boarder | Chef | Italy |
| 10 | Lena Scheeder | 67 | Head | Chef | Germany |
| 11 | Henry Scheeder | 42 | Son | Laborer | Pennsylvania |
| 12 | Anna Scheeder | 38 | Daughter | Clerk | Pennsylvania |
| 13 | Alfred Doran | 37 | Head | Owner | Pennsylvania |
| 14 | Elizabeth Doran | 31 | Wife | — | Pennsylvania |
| 15 | Alfred Doran | 3 | Son | — | Pennsylvania |
| 16 | Shirley Doran | 1 | Daughter | — | Pennsylvania |
| 17 | William Russell | 59 | Lodger | Janitor | Pennsylvania |
| 18 | Mininie Behr | 70 | Lodger | — | Germany |
| 19 | Francis Larson | 56 | Head | Housework | Pennsylvania |
| 20 | Frances Larson | 23 | Daughter | Clerk | Pennsylvania |
| 21 | Loretta Larson | 25 | Daughter | Wrapper | Pennsylvania |
| 22 | Marie Eubeck | 25 | Daughter | — | Pennsylvania |
| 23 | Walter Eubeck | 25 | Son-in-law | Collector | Pennsylvania |
| 24 | Eileen Eubeck | 1 | Daughter | — | Pennsylvania |
| 25 | George Wagner | 52 | Head | Elevator Oper | Maryland |
| 26 | Catherine Wagner | 45 | Wife | — | Pennsylvania |
| 27 | Myra Wagner | 23 | Daughter | Salesgirl | Pennsylvania |
| 28 | George Wagner | 19 | Son | Clerical | Pennsylvania |
| 29 | Thomas Short | 47 | Head | Laborer | Pennsylvania |
| 30 | Elizabeth Short | 45 | Wife | — | Pennsylvania |
| 31 | James Short | 22 | Son | Clerk | Pennsylvania |
| 32 | Mary Short THIS PERSON | 20 | Daughter | Salesgirl | Pennsylvania |
| 33 | Rose Mary Short | 15 | Daughter | — | Pennsylvania |
| 34 | Pauline Short | 11 | Daughter | — | Pennsylvania |
| 35 | Patricia Short | 7 | Daughter | — | Pennsylvania |
| 36 | Thomas Short | 4 | Son | — | Pennsylvania |
| 37 | Fredrick Seemiller | 56 | Head | Paper Hanger | Pennsylvania |
| 38 | Stella Seemiller | 54 | Wife | — | Pennsylvania |
| 39 | Fredrick Seemiller | 33 | Son | Paper Hanger | Pennsylvania |
| 40 | Francis Apenreiter | 34 | Head | Laborer | Pennsylvania |
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)