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Anna Johnston — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Anna Johnston across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Johnston |
| Given Name | Anna M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mt Oliver Borough |
| Est. Birth Year | ~1910 |
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 1930 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Bernard Johnston | Son | — | 22 | ~1908 |
| Bernard Johnston | Head | — | 60 | ~1870 |
| May Johnston | Other | — | 53 | ~1877 |
| Anna Johnston | Daughter | — | 20 | ~1910 |
| Martin Johnston | Son | — | 15 | ~1915 |
| Jane Johnston | Daughter | — | 19 | ~1911 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 10
Allegheny, Pennsylvania · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Anna Mae |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 20
Allegheny, Pennsylvania · implied b. ~1910 — 6 household members
| Surname | Johnston |
| Given Name | Anna M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| 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 Anna Johnston across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Johnston
Daughter · 1930 · age 20 · b. ~1910 · Pennsylvania
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Sibling
Bernard Johnston
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Johnston
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Johnston
Sibling · 1930 · age 15
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
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
29 people indexed on this census page (ia:1930:fifteenthcensus00reel1966:0420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter O'Malley | 57 | Head | Laborer | Northern Ireland |
| 2 | Katherine O'Malley | 44 | Wife-H | — | Northern Ireland |
| 3 | William O'Malley | 21 | Son | Clerk | Pennsylvania |
| 4 | Lawrence O'Malley | 18 | Son | Laborer | Pennsylvania |
| 5 | Mary O'Malley | 16 | Daughter | — | Pennsylvania |
| 6 | Mary O'Malley | 23 | Niece | Maid | Northern Ireland |
| 7 | Katherine Donnelly | 21 | Niece | — | Northern Ireland |
| 8 | Bernard Johnston | 60 | Head | Confectionery | Pennsylvania |
| 9 | May A Johnston | 53 | Wife-H | — | Pennsylvania |
| 10 | Bernard Jr Johnston | 22 | Son | — | Pennsylvania |
| 11 | Anna M Johnston THIS PERSON | 20 | Daughter | — | Pennsylvania |
| 12 | Jane Johnston | 19 | Daughter | Stenographer | Pennsylvania |
| 13 | Martin B Johnston | 15 | Son | — | Pennsylvania |
| 14 | Christ Johnston | 59 | Head | — | Pennsylvania |
| 15 | Elizabeth Johnston | 45 | Wife-H | — | Pennsylvania |
| 16 | Ruth Johnston | 11 | Daughter | — | Pennsylvania |
| 17 | Bernard Harbe | 53 | Head | Laborer | Pennsylvania |
| 18 | Minnie Harbe | 44 | Wife-H | — | Pennsylvania |
| 19 | Peter J Harbe | 21 | Son | Laborer | Pennsylvania |
| 20 | Louis Smith | 42 | Head | Butcher | Pennsylvania |
| 21 | Veronica Smith | 34 | Wife-H | — | Pennsylvania |
| 22 | Mackuller Felix | 27 | Son-in-law | Truck Driver | Italy |
| 23 | Rose Felix | 20 | Daughter | — | Pennsylvania |
| 24 | Anthony Felix | 2 | Grandson | — | Pennsylvania |
| 25 | Frank Hurly | 28 | Roomer | Plumber | Italy |
| 26 | Pearl Spilker | 45 | Roomer | Laborer | Pennsylvania |
| 27 | Jerry Stunwick | 22 | Roomer | Agent | Wisconsin |
| 28 | William Coppleman | 51 | Head | Engineer | Virginia |
| 29 | Marie Coppleman | 26 | Wife-H | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)