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Alice Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Alice Johnston across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Johnston |
| Given Name | Alice |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | City |
| Est. Birth Year | ~1924 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnston | Daughter | — | 16 | ~1924 |
| John Johnston | Son | — | 6 | ~1934 |
| Albert Johnston | Head | — | 42 | ~1898 |
| Rose Johnston | Spouse | — | 40 | ~1900 |
| Albert Johnston | Son | — | 12 | ~1928 |
| Laura Johnston | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 6
Allegheny, Pennsylvania · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Alice |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 16
Allegheny-County, Pennsylvania · implied b. ~1924 — 6 household members
| Surname | Johnston |
| Given Name | Alice |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | City |
| 1935 Residence (County) | Allegheny |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| 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 Alice Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Johnston
Daughter · 1940 · age 16 · b. ~1924 · Pennsylvania
★ You are viewing this record
Sibling
Laura Johnston
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Johnston
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnston
Sibling · 1940 · age 6
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03409-00464)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Sokczyk | 18 | daughter | Houseworker | Pennsylvania |
| 2 | Louise Sokczyk | 17 | daughter | — | Pennsylvania |
| 3 | Ezra Bester | 28 | son in law | Mill Worker | Ohio |
| 4 | Henrietta Bester | 20 | daughter | — | Pennsylvania |
| 5 | George Onder | 35 | head | Millworker | Pennsylvania |
| 6 | Mary Onder | 35 | wife | — | Pennsylvania |
| 7 | Paul Banick | 25 | head | Millworker | Pennsylvania |
| 8 | Anna Banick | 24 | wife | — | Pennsylvania |
| 9 | Edward Banick | 1 | son | — | Pennsylvania |
| 10 | John Plutko | 29 | head | Millworker | Pennsylvania |
| 11 | Ethel Plutko | 24 | wife | — | Pennsylvania |
| 12 | Raymond Plutko | 1 | son | — | Pennsylvania |
| 13 | Walter Mandella | 37 | head | Labor | Pennsylvania |
| 14 | Regina Mandella | 34 | wife | — | Pennsylvania |
| 15 | Charles Mandella | 9 | son | — | Pennsylvania |
| 16 | Walter Mandella | 6 | son | — | Pennsylvania |
| 18 | Albert Johnston | 42 | head | Millworker | Pennsylvania |
| 19 | Rose Johnston | 40 | wife | — | Pennsylvania |
| 20 | Laura Johnston | 19 | daughter | New Worker | Pennsylvania |
| 21 | Alice Johnston THIS PERSON | 16 | daughter | — | Pennsylvania |
| 22 | Albert Johnston | 12 | son | — | Pennsylvania |
| 23 | John Johnston | 6 | son | — | Pennsylvania |
| 24 | George Garwosky | 54 | head | Millworker | Poland |
| 25 | Sophia Garwosky | 56 | wife | — | Poland |
| 26 | Frank Steele | 46 | head | Collector | Pennsylvania |
| 27 | Helen Steele | 42 | wife | — | Pennsylvania |
| 28 | Dorothy Steele | 19 | daughter | — | Pennsylvania |
| 29 | Pete Dembiski | 49 | head | Millworker | Poland |
| 30 | Josephine Dembiski | 21 | daughter | — | Pennsylvania |
| 31 | John Dembiski | 20 | son | Delivery Boy | Pennsylvania |
| 32 | Edward Rickards | 63 | head | — | Pennsylvania |
| 33 | Lena Rickards | 59 | wife | — | Pennsylvania |
| 34 | William Rickards | 23 | son | Truck Driver | Pennsylvania |
| 35 | Daniel Rickards | 27 | son | Truck Driver | Pennsylvania |
| 36 | Grace Rickards | 20 | daughter | — | Pennsylvania |
| 37 | Edward Rickards | 21 | son | Truck Driver | Pennsylvania |
| 38 | Helen Rickards | 19 | daughter | — | Pennsylvania |
| 39 | John Bock | 63 | head | Millworker | Czechoslovakia |
| 40 | Anna Bock | 57 | wife | — | Czechoslovakia |
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)