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Mary Blake — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Blake across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 12-person household.
Age 53
b. ~1887
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Blake |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Phila |
| Est. Birth Year | ~1887 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Monica Blake | Daughter | — | 27 | ~1913 |
| Patrick Blake | Head | — | 55 | ~1885 |
| Thomas Blake | Other | — | 52 | ~1888 |
| Mary Blake | Spouse | — | 53 | ~1887 |
| Eleanor Blake | Other | — | 22 | ~1918 |
| Dorothy Blake | Daughter | — | 16 | ~1924 |
| Joseph Blake | Son | — | 22 | ~1918 |
| Francis Blake | Son | — | 15 | ~1925 |
| Elizabeth Blake | Daughter | — | 18 | ~1922 |
| Thomas Blake | Son | — | 12 | ~1928 |
| Mary Blake | Other | — | 59 | ~1881 |
| Vincent Blake | Son | — | 25 | ~1915 |
Census Appearances
1930
Philadelphia, Pennsylvania
Spouse, age 40
Philadelphia, Pennsylvania · implied b. ~1890 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 22 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Philadelphia-County, Pennsylvania
Spouse, age 53
Philadelphia-County, Pennsylvania · implied b. ~1887 — 12 household members
| Surname | Blake |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Naturalization Status | Naturalized |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Blake across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blake
Spouse · 1940 · age 53 · b. ~1887 · 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-t0627-03756-00127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Owen D. Goodfellow | 35 | Head | Operating Engineer | Penna |
| 42 | Mildred Goodfellow | 28 | Wife | — | Penna |
| 43 | Viola R. Matthews | 63 | Head | File Clerk | Penna |
| 44 | Mary S. Matthews | 68 | Sister | — | Penna |
| 45 | A. Edgar Isenninger | 49 | Head | Owner | Penna |
| 46 | Marie E. Isenninger | 47 | Wife | — | Penna |
| 47 | George W. Cromie | 51 | Head | Manager | Penna |
| 48 | Rebecca M. Cromie | 50 | Wife | Clerical | Penna |
| 49 | Charles F. Sowa | 28 | Head | Bus Driver | Penna |
| 50 | Evelyn M. Sowa | 27 | Wife | — | Penna |
| 51 | Charles J. Sowa | 7 | Son | — | Penna |
| 52 | Claire D. Findel | 22 | Head | Stenographer | Penna |
| 53 | Claire F. Monaghan | 46 | Mother | Appraiser | Penna |
| 54 | Jennie A. Reilly | 67 | Lodger | Saleswoman | Penna |
| 55 | Mary E. Averill | 65 | Lodger | — | Penna |
| 56 | Leon J. Riordan | 39 | Head | Painter | Penna |
| 57 | Eliz G. Riordan | 29 | Wife | — | Penna |
| 58 | Elizabeth Riordan | 4 | Daughter | — | Penna |
| 59 | Harry Riordan | 2 | Son | — | Penna |
| 60 | James Riordan | 0 | Son | — | Penna |
| 61 | Samuel H. Taylor | 65 | Head | Steward | No Ireland |
| 62 | Mary A. Sample | 58 | Sister | — | No Ireland |
| 63 | Margaret H. Sample | 24 | Niece | Seamstress | Penna |
| 64 | Robert W. Sample | 19 | Nephew | Store Clerk | Penna |
| 65 | Hazel J. Darrell | 49 | Head | Telegraph Operator | New Jersey |
| 66 | Patrick J. Blake | 55 | Head | Steam Fitter | Irish Free State |
| 67 | Mary E. Blake THIS PERSON | 53 | Wife | — | England |
| 68 | Vincent Blake | 25 | Son | Storekeeper | Penna |
| 69 | Eleanor Blake | 22 | Daughter-in-law | Marker | Penna |
| 70 | Monica F. Blake | 27 | Daughter | Tracer | Penna |
| 71 | Joseph P. Blake | 22 | Son | Laborer | Penna |
| 72 | Elizabeth M. Blake | 18 | Daughter | — | Penna |
| 73 | Dorothy A. Blake | 16 | Daughter | — | Penna |
| 74 | Francis J. Blake | 15 | Son | — | Penna |
| 75 | Thomas F. Blake | 12 | Son | — | Penna |
| 76 | Thomas Blake | 52 | Brother | — | Irish Free State |
| 77 | Mary E. Blake | 59 | Sister | — | Irish Free State |
| 78 | Kenneth J. Smith | 43 | Head | Dr. Dental Surg. | Penna |
| 79 | Hazel K. Smith | 39 | Wife | — | Penna |
| 80 | Ravel Smith | 93 | Father | — | 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)