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Mary Brady — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Brady across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a daughter (b.~1911), then head of a 14-person household.
Age 29
b. ~1911
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Brady |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1911 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Brady | Daughter | — | 34 | ~1906 |
| Marian Brady | Daughter | — | 36 | ~1904 |
| Virginia Brady | Daughter | — | 23 | ~1917 |
| Helen Brady | Daughter | — | 37 | ~1903 |
| Elizabeth Brady | Daughter | — | 28 | ~1912 |
| Mary Brady | Daughter | — | 29 | ~1911 |
| Thomas Brady | Head | — | 67 | ~1873 |
| Elizabeth Mccann | Other | — | 65 | ~1875 |
| James Brady | Son | — | 31 | ~1909 |
| Thomas Brady | Son | — | 33 | ~1907 |
| Terrence Brady | Son | — | 27 | ~1913 |
| Thomas Brady | Son | — | 18 | ~1922 |
| Anthony Brady | Son | — | 26 | ~1914 |
| Mary Brady | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brady |
| Given Name | Mary |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 17
Philadelphia, Pennsylvania · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brady |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 29
Philadelphia-County, Pennsylvania · implied b. ~1911 — 14 household members
| Surname | Brady |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | G 8 |
| 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 Brady across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Brady (~0.92 confidence) and mother Mary Brady (~0.92 confidence) and father Clarence Brady (~0.92 confidence) and mother Martha Brady (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Brady
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Brady
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Clarence Brady
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Martha Brady
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Brady
Daughter · 1940 · age 29 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Anthony Brady
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Brady
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Brady
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Brady
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Brady
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Brady
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Brady
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Brady
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Terrence Brady
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Brady
Sibling · 1940 · age 23
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03723-00615)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Guy R. Miller | 48 | Head | Fieldman | Pennsylvania |
| 2 | Marie F. Miller | 51 | Wife | — | Pennsylvania |
| 3 | Ann M. Carrigan | 42 | Head | — | Pennsylvania |
| 4 | Mary H. Carrigan | 19 | Daughter | New Worker | Pennsylvania |
| 5 | Norley M. Carrigan | 12 | Daughter | — | Pennsylvania |
| 6 | Joseph J. Schickling | 42 | Brother-in-law | Dispatcher | Pennsylvania |
| 7 | Marie J. Schickling | 40 | Sister | — | Pennsylvania |
| 8 | Margaret Mary Schickling | 15 | Niece | — | Pennsylvania |
| 9 | Jesse Taylor | 39 | Head | Adjuster | Pennsylvania |
| 10 | Dorothy E. Taylor | 34 | Wife | — | Pennsylvania |
| 11 | Dorothy Taylor | 11 | Daughter | — | Pennsylvania |
| 12 | Mary E. Gracey | 39 | Head | — | Pennsylvania |
| 13 | Nancy B. Gracey | 37 | Sister | Bookkeeper | Pennsylvania |
| 14 | Kathryn L. Gracey | 35 | Sister | Teacher | Pennsylvania |
| 15 | Ferdinand Petrucco | 40 | Head | Assistant Manager | Italy |
| 16 | Evelyn K. Petrucco | 37 | Wife | — | Pennsylvania |
| 17 | John Petrucco | 9 | Son | — | Pennsylvania |
| 18 | James Petrucco | 6 | Son | — | Pennsylvania |
| 19 | Thomas J. Brady | 67 | Head | Custodian | Pennsylvania |
| 20 | Mary G. Brady | 60 | Wife | — | Pennsylvania |
| 21 | Helen Brady | 37 | Daughter | Interior Decorator | Pennsylvania |
| 22 | Marian Brady | 36 | Daughter | Stenographer | Pennsylvania |
| 23 | Kathryn Brady | 34 | Daughter | Stenographer | Pennsylvania |
| 24 | Thomas Brady | 33 | Son | Salesman | Pennsylvania |
| 25 | James Brady | 31 | Son | Chauffeur | Pennsylvania |
| 26 | Mary Brady THIS PERSON | 29 | Daughter | — | Pennsylvania |
| 27 | Elizabeth Brady | 28 | Daughter | Asst. Decorator | Pennsylvania |
| 28 | Terrence Brady | 27 | Son | New Worker | Pennsylvania |
| 29 | Anthony Brady | 26 | Son | New Worker | Pennsylvania |
| 30 | Virginia Brady | 23 | Daughter | Saleslady | Pennsylvania |
| 31 | Thomas Edward Brady | 18 | Son | New Worker | Pennsylvania |
| 32 | Elizabeth Mccann | 65 | Sister-in-law | — | Pennsylvania |
| 33 | William J. Shoner | 64 | Head | Contractor | Pennsylvania |
| 34 | Lucy M. Shoner | 65 | Wife | — | Pennsylvania |
| 35 | John M. Shoner | 23 | Son | Salesman | Pennsylvania |
| 36 | James F. Smythe | 64 | Head | Clerk | Pennsylvania |
| 37 | Anna M. Smythe | 62 | Wife | — | Pennsylvania |
| 38 | John N. Smythe | 35 | Son | Salesman | Pennsylvania |
| 39 | Walter J. Smythe | 31 | Son | Clerk | Pennsylvania |
| 40 | Regina Smythe | 28 | Daughter | Clerk | Pennsylvania |
Pedigree Summary
Mary + 10 siblings
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)