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Mary Mccann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Mccann across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | McCann |
| Given Name | Mary A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Phila |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mccann | Son | — | 20 | ~1920 |
| James Mccann | Head | — | 52 | ~1888 |
| Monica Mccann | Daughter | — | 19 | ~1921 |
| John Mccann | Son | — | 16 | ~1924 |
| Gertrude Mccann | Daughter | — | 31 | ~1909 |
| Mary Mccann | Daughter | — | 13 | ~1927 |
| Cathrin Mccann | Daughter | — | 28 | ~1912 |
| Anna Mccann | Son | — | 52 | ~1888 |
Census Appearances
1930
Delaware, Pennsylvania
Daughter, age 3
Delaware, Pennsylvania · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCann |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Penna |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Daughter, age 13
Philadelphia-County, Pennsylvania · implied b. ~1927 — 8 household members
| Surname | McCann |
| Given Name | Mary A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 Mccann across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccann
Daughter · 1940 · age 13 · b. ~1927 · Pennsylvania
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Sibling
Monica Mccann
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Mccann
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccann
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mccann
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cathrin Mccann
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mccann
Sibling · 1940 · age 52
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-t0627-03734-00188)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Riley James Riley | 12 | Son | — | New Jersey |
| 42 | Michael F. Sullivan | 42 | Head | Operator | Ireland |
| 43 | Cathrin Sullivan | 38 | Wife | — | Ireland |
| 44 | Cathrin Sullivan | 10 | daughter | — | Penna |
| 45 | John Sullivan | 9 | Son | — | Penna |
| 46 | Thomas Sullivan | 5 | Son | — | Penna |
| 47 | James Sullivan | 2 | Son | — | Penna |
| 48 | Robert L. Oshins | 70 | Lodger | — | Delaware |
| 49 | Fred Westfelder | 54 | Head | Laborer | Penna |
| 50 | Anne S. Westfelder | 55 | Wife | — | Ireland |
| 51 | Walter Cunningham | 47 | Head | Operator | Penna |
| 52 | Ida S. Cunningham | 46 | Wife | — | Penna |
| 53 | Wm. Cunningham | 18 | Son | Bus Boy | Penna |
| 54 | Robert Cunningham | 16 | Son | — | Penna |
| 55 | James Mccann | 52 | Head | Fireman | Penna |
| 56 | Anna S. Mccann | 52 | Son | — | Penna |
| 57 | Gertrude Mccann | 31 | daughter | Steno | Penna |
| 58 | Cathrin Mccann | 28 | daughter | Laborer | Penna |
| 59 | Joseph Mccann | 20 | Son | Laborer | Penna |
| 60 | Monica Mccann | 19 | daughter | — | Penna |
| 61 | John Mccann | 16 | Son | — | Penna |
| 62 | Mary A. Mccann THIS PERSON | 13 | daughter | — | Penna |
| 63 | John G. Rogers | 46 | Head | Repairman | Ohio |
| 64 | Mary Rogers | 45 | Wife | — | Ohio |
| 65 | Gustave L. Rogers | 20 | Son | Maintenance | Ohio |
| 66 | Allen R. Rogers | 17 | Son | — | Ohio |
| 67 | Norman L. Rogers | 16 | Son | — | Ohio |
| 68 | Laverne Rogers | 9 | daughter | — | Ohio |
| 69 | Joseph Canaton | 33 | Head | Clerk | Penna |
| 70 | Irene Canaton | 22 | Wife | — | Penna |
| 71 | Irene V. Canaton | 6 | daughter | — | Penna |
| 72 | Marie Canaton | 4 | daughter | — | Penna |
| 73 | Joseph Robert Canaton | 2 | daughter | — | Penna |
| 74 | Michael William | 75 | Father in law | — | Penna |
| 75 | Sarah S. | 67 | Wife | — | Penna |
| 76 | Sarah | 47 | daughter | Bookbinder | Penna |
| 77 | James C. Sr. Carson | 45 | Head | Waiter | Penna |
| 78 | Mary A. S. Carson | 40 | Wife | — | Penna |
| 79 | Mary Robinson | 23 | daughter | — | Penna |
| 80 | James Jr. Carson | 21 | Son | Laborer | 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)