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Mary Whalen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Mary Whalen across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 3-person household.
Age 68
b. ~1872
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Whalen |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Foster |
| 1935 Residence (County) | Schuylkill |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Pennsylvania |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Jenkintown |
| Est. Birth Year | ~1872 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence Whalen | Daughter | — | 34 | ~1906 |
| Michael Whalen | Head | — | 71 | ~1869 |
| Mary Whalen | Spouse | — | 68 | ~1872 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 54
Philadelphia, Pennsylvania · implied b. ~1866 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whalen |
| Given Name | Mary |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Single |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Other, age 63
Philadelphia, Pennsylvania · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whalen |
| Given Name | Mary |
| Relationship to Head | Mother-Law |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1888 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Montgomery-County, Pennsylvania
Spouse, age 68
Montgomery-County, Pennsylvania · implied b. ~1872 — 3 household members
| Surname | Whalen |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Foster |
| 1935 Residence (County) | Schuylkill |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Pennsylvania |
| 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 Whalen 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 Whalen
Spouse · 1940 · age 68 · b. ~1872 · 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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03579-00238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen D. Siekirka | 40 | Head | Secretary | Pennsylvania |
| 2 | Agnes Siekirka | 18 | Son | Clerk | Pennsylvania |
| 3 | Jean A. Siekirka | 16 | Daughter | — | Pennsylvania |
| 4 | Helen M. Siekirka | 12 | Daughter | — | Pennsylvania |
| 5 | John J. Siekirka | 11 | Son | — | Pennsylvania |
| 6 | John Dolan | 70 | Brother | — | Pennsylvania |
| 7 | Ellen J. Dolan | 65 | Mother | Brakeman | Pennsylvania |
| 8 | Michael J. Whalen | 71 | Head | — | Ireland |
| 9 | Mary E. Whalen THIS PERSON | 68 | Wife | — | Ireland |
| 10 | Florence M. Whalen | 34 | Daughter | Secretary | Pennsylvania |
| 11 | Frank P. Mckeon | 36 | Head | Painter | Pennsylvania |
| 12 | Anna Mckeon | 32 | Wife | — | Ireland |
| 13 | Francis Mckeon | 9 | Son | — | Pennsylvania |
| 14 | Geraldine Mckeon | 5 | Daughter | — | Pennsylvania |
| 15 | Elizabeth Mckeon | 75 | Mother | — | Pennsylvania |
| 16 | Catherine Mckeon | 30 | Sister | Cashier | Pennsylvania |
| 17 | Thomas Mckeon | 3 | Son | — | Pennsylvania |
| 18 | Frederick A. Hayes | 53 | Head | Greenhouse | Pennsylvania |
| 19 | Bertha Hayes | 50 | Wife | — | Pennsylvania |
| 20 | Frederick Jr. Hayes | 20 | Son | Clerk | Pennsylvania |
| 21 | Walter J. Hayes | 18 | Son | New Worker | Pennsylvania |
| 22 | Anna Abner | 75 | Mother-in-law | — | Pennsylvania |
| 23 | Daniel L. Dean | 51 | Head | Salesman | Mountain |
| 24 | Katherine Dean | 44 | Wife | — | Richmond |
| 25 | Daniel Jr. Dean | 12 | Son | — | Pennsylvania |
| 26 | Diane Dean | 10 | Daughter | — | Pennsylvania |
| 27 | Frank J. Brano | 27 | Head | Housework | Pennsylvania |
| 28 | Mary R. Brano | 27 | Wife | — | Pennsylvania |
| 29 | Linda L. Brano | 1 | Daughter | — | Pennsylvania |
| 30 | Harry H. Wakefield | 64 | Uncle | — | Newark |
| 31 | Frank J. Koenig | 57 | Head | Carpenter | Pennsylvania |
| 32 | Teresa M. Koenig | 52 | Wife | — | Pennsylvania |
| 33 | William J. Dorkin | 52 | Brother-in-law | Painter | Pennsylvania |
| 34 | Mary R. Gleason | 40 | Sister | Manicurist | Pennsylvania |
| 35 | James J. Gleason | 18 | Son | Army Air Corps | Pennsylvania |
| 36 | Russell C. Brown | 41 | Head | Telegrapher | Indiana |
| 37 | Lillian Brown | 35 | Wife | — | Indiana |
| 38 | Gloria Brown | 15 | Daughter | — | Indiana |
| 39 | Virginia Brown | 11 | Daughter | — | Ridgeville |
| 40 | Charles Brown | 7 | Son | — | Ridgeville |
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)