MN
Mary Nolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Nolan across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 5-person household.
Age 74
b. ~1866
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Nolan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Alien |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Phila |
| Est. Birth Year | ~1866 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Theresa Nolan | Daughter | — | 33 | ~1907 |
| Elizabeth Nolan | Daughter | — | 31 | ~1909 |
| Patrick Nolan | Head | — | 70 | ~1870 |
| John Nolan | Son | — | 29 | ~1911 |
| Mary Nolan | Spouse | — | 74 | ~1866 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 59
Philadelphia, Pennsylvania · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1881 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Other, age 69
Philadelphia, Pennsylvania · implied b. ~1861 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nolan |
| Given Name | Mary |
| Relationship to Head | Inmate |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Age at First Marriage | 30 |
| Father's Birthplace | Free State |
| Mother's Birthplace | Ireland Free State |
| Occupation | Yes |
| Can Read/Write | No |
| Mother Tongue | Ireland Free State |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Spouse, age 74
Philadelphia-County, Pennsylvania · implied b. ~1866 — 5 household members
| Surname | Nolan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Alien |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Nolan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Nolan
Spouse · 1940 · age 74 · b. ~1866 · Pennsylvania
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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-t0627-03754-00038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Angelina Jones | 25 | Daughter | — | Penn |
| 42 | Albert Brown | 60 | Head | Operator | Penn |
| 43 | Laura Brown | 65 | Wife | — | Germany |
| 44 | Jacob Staiger | 33 | Head | Brewer | Germany |
| 45 | Elsie Staiger | 33 | Wife | — | Germany |
| 46 | Jacob Staiger | 4 | Son | — | Penn |
| 47 | Wm. O. Hennessey | 44 | Head | Salesman | Penn |
| 48 | Caroline Hennessey | 48 | Wife | — | Penn |
| 49 | Walter Boothroyd | 52 | Brother-in-law | Salesman | Connecticut |
| 50 | Florence Boothroyd | 25 | Sister | — | Penn |
| 51 | Max Eder | 51 | Head | Machinist | Germany |
| 52 | Marie Eder | 47 | Wife | — | Germany |
| 53 | Milton Eder | 17 | Son | — | Penn |
| 54 | Albert Kahn | 37 | Head | Supervisor | Penn |
| 55 | Mary Kahn | 35 | Wife | — | Penn |
| 56 | Flora Kahn | 15 | Daughter | — | Penn |
| 57 | Martin Kahn | 7 | Son | — | Penn |
| 58 | Cecil Lewis | 27 | Head | Letter Carrier | Penn |
| 59 | Pauline Lewis | 33 | Wife | — | Connecticut |
| 60 | Helen Lewis | 2 | Daughter | — | Penn |
| 61 | Lydia Gerhard | 65 | Mother-in-law | — | Germany |
| 62 | Paul Schroeder | 51 | Head | Machinist | Penn |
| 63 | Katie Schroeder | 49 | Wife | — | Penn |
| 64 | Herman Wanderer | 42 | Head | Finisher | Germany |
| 65 | Anna Wanderer | 40 | Wife | Masseuse | Germany |
| 66 | Marie Muehlbauer | 37 | Sister-in-law | Masseuse | Germany |
| 67 | Joseph Teifel | 29 | Head | Baker | Penn |
| 68 | Elizabeth Teifel | 26 | Wife | — | Penn |
| 69 | Joseph Teifel | 3 | Son | — | Penn |
| 70 | Patrick Nolan | 70 | Head | — | Ireland |
| 71 | Mary Nolan THIS PERSON | 74 | Wife | — | Ireland |
| 72 | Theresa Nolan | 33 | Daughter | Stenographer | Penn |
| 73 | Elizabeth Nolan | 31 | Daughter | Comptometer | Penn |
| 74 | John Nolan | 29 | Son | Chemist | Penn |
| 75 | Paul C. Reibold | 48 | Head | Salesman | Germany |
| 76 | Ella Reibold | 45 | Wife | — | Austria |
| 77 | Dorothy Reibold | 17 | Daughter | — | Penn |
| 78 | Paul Reibold | 9 | Son | — | Penn |
| 79 | Norman Schoenhut | 31 | Head | Salesman | Penn |
| 80 | Elizabeth Schoenhut | 30 | Wife | — | Penn |
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)