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Mary Harrison — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Harrison across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 4-person household.
Age 82
b. ~1858
Female
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Harrison |
| Given Name | Mary Ann |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Tarentum Borough |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Tarentum Borough |
| Est. Birth Year | ~1858 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Harrison | Daughter | — | 48 | ~1892 |
| Edith Harrison | Daughter | — | 39 | ~1901 |
| Mary Harrison | Head | — | 82 | ~1858 |
| George Harrison | Son | — | 51 | ~1889 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 61
Allegheny, Pennsylvania · implied b. ~1859 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Allegheny, Pennsylvania
Other, age 72
Allegheny, Pennsylvania · implied b. ~1858 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | Mary A |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1864 |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Allegheny-County, Pennsylvania
Head, age 82
Allegheny-County, Pennsylvania · implied b. ~1858 — 4 household members
| Surname | Harrison |
| Given Name | Mary Ann |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Tarentum Borough |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 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 Harrison 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 Harrison
Head · 1940 · age 82 · b. ~1858 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03419-00095)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jean Cramer | 15 | Daughter | — | Pennsylvania |
| 2 | James Cramer | 13 | Son | — | Pennsylvania |
| 3 | Herbert Mellinger | 28 | Head | General Laborer | Pennsylvania |
| 4 | Dorothy Mellinger | 26 | Wife | — | Pennsylvania |
| 5 | Roberta Mellinger | 1 | Daughter | — | Pennsylvania |
| 6 | Ida Bauly | 20 | Lodger | New Worker | Pennsylvania |
| 7 | Herbert Artman | 37 | Head | Oiler Tender | Pennsylvania |
| 8 | Grace Artman | 39 | Wife | — | Pennsylvania |
| 9 | Virginia Artman | 14 | Daughter | — | Pennsylvania |
| 10 | Chas R. Mc Gaughey | 45 | Head | Shearman | Pennsylvania |
| 11 | Catharine Mc Gaughey | 36 | Wife | — | Pennsylvania |
| 12 | Carl J. Mc Gaughey | 17 | Son | — | Pennsylvania |
| 13 | Paul Frueik | 26 | Head | Sales Clerk | Pennsylvania |
| 14 | Gertrude Frueik | 24 | Wife | — | Pennsylvania |
| 15 | Paul Edward Frueik | 3 | Son | — | Pennsylvania |
| 16 | Florence M. Deyber | 43 | Head | — | Pennsylvania |
| 17 | Dawna J. Deyber | 20 | Daughter | Sales Clerk | Pennsylvania |
| 18 | Clarence J. Sr. Sutton | 44 | Head | Proprietor | Pennsylvania |
| 19 | Hannah M. Sutton | 37 | Wife | — | Pennsylvania |
| 20 | Clarence J. Jr. Sutton | 20 | Son | Sales Clerk | Pennsylvania |
| 21 | Nancy R. Sutton | 14 | Daughter | — | Pennsylvania |
| 22 | Janet D. Sutton | 6 | Daughter | — | Pennsylvania |
| 23 | Edward Hudson | 76 | Head | — | Pennsylvania |
| 24 | Anna M. Hudson | 71 | Wife | — | Pennsylvania |
| 25 | Eva M. Hudson | 37 | Daughter | — | Pennsylvania |
| 26 | Margaret J. Niceley | 46 | Daughter | Practical Nurse | Pennsylvania |
| 27 | Charles Campbell | 66 | Head | Laborer Park Project | Pennsylvania |
| 28 | Anna Campbell | 62 | Wife | — | Pennsylvania |
| 29 | Mary Ann Harrison THIS PERSON | 82 | Head | — | England |
| 30 | George C. Harrison | 51 | Son | Watchman | Pennsylvania |
| 31 | Betty Ann Harrison | 48 | Daughter | Teacher | Pennsylvania |
| 32 | Edith Harrison | 39 | Daughter | Teacher | Pennsylvania |
| 33 | Sarah Grine | 76 | Head | — | Pennsylvania |
| 34 | Laura Grine | 46 | Daughter | Teacher | Pennsylvania |
| 35 | Floyd Hunter | 47 | Head | Matcher Floor | Pennsylvania |
| 36 | Mrs. H. E. Walther | 70 | Head | — | Pennsylvania |
| 37 | Nellie V. Walther | 46 | Daughter | Typist | Pennsylvania |
| 38 | Alice S. Walther | 60 | Sister | — | Pennsylvania |
| 39 | Mabel Halp | 38 | Head | Salesgirl | Pennsylvania |
| 40 | June Halp | 12 | Daughter | — | 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)