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Frank Johnston — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Frank Johnston across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.
Age 12
b. ~1918
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Johnston |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1918 |
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 1930 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Robert Johnston | Son | — | 9 | ~1921 |
| James Johnston | Son | — | 16 | ~1914 |
| William Johnston | Son | — | 3 | ~1927 |
| Inez Johnston | Daughter | — | 6 | ~1924 |
| Frank Johnston | Son | — | 12 | ~1918 |
| Mary Johnston | Daughter | — | 14 | ~1916 |
| Mary Johnston | Other | — | 40 | ~1890 |
| Robert Johnston | Head | — | 40 | ~1890 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Frank A. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 8 household members
| Surname | Johnston |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| 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 Frank Johnston across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Johnston
Son · 1930 · age 12 · b. ~1918 · Pennsylvania
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Sibling
Mary Johnston
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Inez Johnston
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Johnston
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnston
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnston
Sibling · 1930 · age 9
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
23 people indexed on this census page (ia:1930:fifteenthcensus00reel1972:0183)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Smith | 34 | Head | Laborer | Pennsylvania |
| 2 | Margaret Smith | 33 | Wife-H | None | Pennsylvania |
| 3 | Mary Smith | 15 | daughter | None | Pennsylvania |
| 4 | Margaret Smith | 13 | daughter | None | Pennsylvania |
| 5 | Alma Smith | 12 | daughter | None | Pennsylvania |
| 6 | Harriet Smith | 9 | daughter | None | Pennsylvania |
| 7 | Albera Smith | 8 | daughter | None | Pennsylvania |
| 8 | Raymond Smith | 3 | son | None | Pennsylvania |
| 9 | Joseph Soldana | 41 | Head | Proprietor | Italy |
| 10 | Rose Soldana | 34 | Wife-H | None | Italy |
| 11 | Nina Soldana | 15 | daughter | None | Pennsylvania |
| 12 | Robert Johnston | 40 | Head | Laborer | Pennsylvania |
| 13 | Mary Johnston | 40 | Wife-H | None | Pennsylvania |
| 14 | James Johnston | 16 | son | None | Pennsylvania |
| 15 | Mary Johnston | 14 | daughter | None | Pennsylvania |
| 16 | Frank Johnston THIS PERSON | 12 | son | None | Pennsylvania |
| 17 | Robert Johnston | 9 | son | None | Pennsylvania |
| 18 | Inez Johnston | 6 | daughter | None | Pennsylvania |
| 19 | William Johnston | 3 | son | None | Pennsylvania |
| 20 | Anna Felician | 37 | Head | Saleslady | Pennsylvania |
| 21 | Margaret Felician | 16 | daughter | Janitress | Pennsylvania |
| 22 | Thelma Felician | 14 | daughter | None | Pennsylvania |
| 23 | William Felician | 11 | son | None | 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)