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Mary Quigley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Mary Quigley across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Quigley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Occupation | Sales Girl |
| Industry | Five & Ten |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 90 |
| Highest Grade | Hs 4 |
| 1935 Residence | Penna |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Sales Girl |
| Township / Ward | Upper Darby |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| John Quigley | Head | — | 46 | ~1894 |
| Jeanne Quigley | Daughter | — | 9 | ~1931 |
| John Quigley | Son | — | 19 | ~1921 |
| Mary Quigley | Daughter | — | 21 | ~1919 |
| Alice Quigley | Spouse | — | 48 | ~1892 |
| Thomas Quigley | Son | — | 7 | ~1933 |
| Alice Quigley | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Montgomery, Pennsylvania
Daughter, age 10
Montgomery, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quigley |
| Given Name | Mary B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Delaware-County, Pennsylvania
Daughter, age 21
Delaware-County, Pennsylvania · implied b. ~1919 — 7 household members
| Surname | Quigley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Occupation | Sales Girl |
| Industry | Five & Ten |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 90 |
| Highest Grade | Hs 4 |
| 1935 Residence | Penna |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Quigley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Quigley
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Alice Quigley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanne Quigley
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Quigley
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Quigley
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03498-00181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward L Stouch | 49 | Head | Owner | Penna |
| 42 | Mary C Stouch | 49 | Wife | — | New Jersey |
| 43 | Ethel Stouch | 29 | Daughter | Stenographer | Penna |
| 44 | Edward Jr Stouch | 22 | Son | — | Penna |
| 45 | William Stouch | 20 | Son | Typing Clerk | Penna |
| 46 | Harry F Weber | 50 | Head | Carpenter | Penna |
| 47 | Barbara Weber | 49 | Wife | — | Penna |
| 48 | Edmund Weber | 24 | Son | Salesman | Penna |
| 49 | Harry Weber | 18 | Son | — | Penna |
| 50 | Edwin Muth | 38 | Son-in-law | Retail Milk Dealer | Penna |
| 51 | Dorothy Muth | 33 | Daughter | — | Penna |
| 52 | Edwin Muth | 11 | Grandson | — | Penna |
| 53 | Barbara Muth | 8 | Granddaughter | — | Penna |
| 54 | John Mieder | 85 | Father-in-law | — | Germany |
| 55 | John M Lamb | 56 | Head | Bond Trader | New Jersey |
| 56 | Mary W Lamb | 55 | Wife | — | Penna |
| 57 | Winifred C Lamb | 16 | Daughter | — | Penna |
| 58 | Harold H Noblit | 47 | Head | Freight Conductor | Penna |
| 59 | Minnie Noblit | 44 | Wife | Saleswoman | Delaware |
| 60 | Doris Noblit | 15 | Daughter | — | Penna |
| 61 | Isabelle Noblit | 11 | Daughter | — | Penna |
| 62 | V Elliott | 37 | Sister-in-law | Saleswoman | Delaware |
| 63 | John B Quigley | 46 | Head | Sales Manager | Penna |
| 64 | Alice E Quigley | 48 | Wife | — | Penna |
| 65 | Mary Quigley THIS PERSON | 21 | Daughter | Sales Girl | Penna |
| 66 | John B Jr Quigley | 19 | Son | — | Penna |
| 67 | Alice E Quigley | 12 | Daughter | — | Penna |
| 68 | Jeanne Quigley | 9 | Daughter | — | Penna |
| 69 | Thomas Quigley | 7 | Son | — | Penna |
| 70 | David F Kline | 34 | Head | Salesman | Penna |
| 71 | Lois J Kline | 37 | Wife | — | Penna |
| 72 | David G Kline | 5 | Son | — | Penna |
| 73 | Janette L Kline | 1 | Daughter | — | Penna |
| 74 | Edna Knapp | 22 | Domestic | General Domestic | Penna |
| 75 | David C Busch | 30 | Head | Salesman | Penna |
| 76 | Hormance Busch | 30 | Wife | — | Penna |
| 77 | Conrad Busch | 4 | Son | — | Penna |
| 78 | Daniel Marron | 47 | Roomer | Salesman | Penna |
| 79 | Charles Heller | 57 | Head | — | Michigan |
| 80 | Lillian Heller | 56 | Wife | — | Penna |
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)