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Mary Mccann — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Mary Mccann across the 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | McCann |
| Given Name | Mary Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | East Bethlehem Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | Hs 1|No 6 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | East Bethlehem Township |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Mccann | Daughter | — | 10 | ~1930 |
| Wilbur Mccann | Son | — | 19 | ~1921 |
| Wilbur Mccann | Head | — | 41 | ~1899 |
| Mary Mccann | Daughter | — | 13 | ~1927 |
| Verna Mccann | Son | — | 16 | ~1924 |
| Margaret Mccann | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Washington, Pennsylvania
Daughter, age 3
Washington, Pennsylvania · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCain |
| Given Name | Mary Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Daughter, age 13
Washington-County, Pennsylvania · implied b. ~1927 — 6 household members
| Surname | McCann |
| Given Name | Mary Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | East Bethlehem Township |
| 1935 Residence (County) | Washington |
| Highest Grade | Hs 1|No 6 |
| 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 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
Verna Mccann
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mccann
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Mccann
Sibling · 1940 · age 19
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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03623-00281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Serafino | 35 | Son | Miner | Pennsylvania |
| 42 | Anthony Serafino | 27 | Son | Salesman | Italy |
| 43 | Rose Serafino | 28 | Daughter | — | Pennsylvania |
| 44 | Charles Vissette | 58 | Lodger | Miner | Italy |
| 45 | Mary Rossi | 44 | Lodger | Maid | Pennsylvania |
| 46 | Harry C. Paine | 61 | Head | Machinist | Pennsylvania |
| 47 | Olive B. Paine | 59 | Wife | — | Pennsylvania |
| 48 | Blanche Paine | 29 | Daughter | Teacher | Pennsylvania |
| 49 | Arthur Jr. Frazier | 41 | Head | Safety Director | Nebraska |
| 50 | Rowena Frazier | 38 | Wife | — | Pennsylvania |
| 51 | Donna Frazier | 13 | Daughter | — | Pennsylvania |
| 52 | Edison Barr | 42 | Head | Miner | Pennsylvania |
| 53 | Marie Barr | 40 | Wife | — | Pennsylvania |
| 54 | Alva Barr | 19 | Daughter | Waitress | Pennsylvania |
| 55 | Alberta Barr | 16 | Daughter | — | Pennsylvania |
| 56 | Robert Barr | 11 | Son | — | Pennsylvania |
| 57 | Edwin Barr | 10 | Son | — | Pennsylvania |
| 58 | Leroy Barr | 5 | Son | — | Pennsylvania |
| 59 | Saritta Barr | 1 | Daughter | — | Pennsylvania |
| 60 | Mitchell Hoo|Hoo No | 69 | Head | Miner | Pennsylvania |
| 61 | Mary V. Hoo|Hoo No | 59 | Wife | — | Pennsylvania |
| 62 | Miriam Hoo|Hoo No | 23 | Daughter | Bookkeeper | Pennsylvania |
| 63 | James Stemberg | 48 | Head | Boiler Maker Helper | Pennsylvania |
| 64 | Edith Q. Stemberg | 38 | Wife | — | Pennsylvania |
| 65 | Elaine Stemberg | 9 | Daughter | — | Pennsylvania |
| 66 | Wilbur Mccann | 41 | Head | Mechanic | Pennsylvania |
| 67 | Margaret Mccann | 42 | Wife | — | Pennsylvania |
| 68 | Wilbur Mccann | 19 | Son | New Worker | Pennsylvania |
| 69 | Verna Mccann | 16 | Son | — | Pennsylvania |
| 70 | Mary Lois Mccann THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 71 | Alice Mccann | 10 | Daughter | — | Pennsylvania |
| 72 | James M. Harris | 72 | Head | — | Pennsylvania |
| 73 | Alice M. Harris | 69 | Wife | — | Pennsylvania |
| 74 | Emeline Harris | 21 | Grandson | — | Pennsylvania |
| 75 | Samuel Libera | 59 | Head | Miner | Scotland |
| 76 | Elizabeth Libera | 51 | Wife | — | Pennsylvania |
| 77 | John Libera | 20 | Son | — | Pennsylvania |
| 78 | Samuel Jr. Libera | 17 | Son | — | Pennsylvania |
| 79 | Edwin Libera | 10 | Son | — | Pennsylvania |
| 80 | Michael Jakubiew | 55 | Head | Miner | Pennsylvania |
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)