RJ
Ruth Johnston — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Ruth Johnston across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Albert & Howard — first a daughter (b.~1905), then head of a 4-person household.
Age 25
b. ~1905
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mckeesport City |
| Est. Birth Year | ~1905 |
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 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Theodore Johnston | Son | — | 29 | ~1901 |
| Albert Johnston | Head | — | 56 | ~1874 |
| Laura Johnston | Spouse | — | 52 | ~1878 |
| Ruth Johnston | Daughter | — | 25 | ~1905 |
Census Appearances
1910
Allegheny, Pennsylvania
Other, age 5
Allegheny, Pennsylvania · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 14
Allegheny, Pennsylvania · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| 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 25
Allegheny, Pennsylvania · implied b. ~1905 — 4 household members
| Surname | Johnston |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Germany |
| 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 Ruth Johnston across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Albert Johnston (~0.92 confidence) and father Howard Johnston (~0.92 confidence) and mother Ella Johnston (~0.92 confidence) and mother Laura Johnston (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Johnston
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Howard Johnston
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ella Johnston
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Laura Johnston
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Johnston
Daughter · 1930 · age 25 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
Theodore Johnston
Sibling · 1930 · age 29
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
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1966:1075)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Johnston | 56 | Head | Laborer | Pennsylvania |
| 2 | Laura Johnston | 52 | Wife | — | Germany |
| 3 | Theodore Johnston | 29 | Son | Laborer | Pennsylvania |
| 4 | Ruth Johnston THIS PERSON | 25 | Daughter | — | Pennsylvania |
| 5 | Anton Petrie | 39 | Head | Laborer | Pennsylvania |
| 6 | Leona Petrie | 35 | Wife | — | Pennsylvania |
| 7 | Joseph Petrie | 13 | Son | — | Pennsylvania |
| 8 | Caroline Petrie | 9 | Daughter | — | Pennsylvania |
| 9 | Raymond Petrie | 7 | Son | — | Pennsylvania |
| 10 | William Mason | 33 | Head | Machinist | Pennsylvania |
| 11 | Anna Mason | 32 | Wife | — | Pennsylvania |
| 12 | Edward Mason | 11 | Son | — | Pennsylvania |
| 13 | Irene Mason | 7 | Daughter | — | Pennsylvania |
| 14 | Andrew Mason | 24 | Head | Mechanic | Pennsylvania |
| 15 | Helen Mason | 24 | Wife | — | Pennsylvania |
| 16 | Lois Mason | 5 | Daughter | — | Pennsylvania |
| 17 | Arline Mason | 3 | Daughter | — | Pennsylvania |
| 18 | Robert Hedstrom | 60 | Head | Carpenter | Sweden |
| 19 | Alfreda Hedstrom | 63 | Wife | — | Sweden |
| 20 | Agnes Hedstrom | 36 | Daughter | Stenographer | Pennsylvania |
| 21 | Hartwig Hedstrom | 32 | Son | Salesman | Pennsylvania |
| 22 | Ralph Hedstrom | 29 | Son | Salesman | Pennsylvania |
| 23 | Evelyn Hedstrom | 22 | Daughter | School Teacher | Pennsylvania |
| 24 | Ingeborg Hedstrom | 20 | Daughter | School Teacher | Pennsylvania |
| 25 | Howard E. Hubbs | 27 | Head | Pipe Fitter | Pennsylvania |
| 26 | Isabel Hubbs | 27 | Wife | — | Pennsylvania |
| 27 | Berger Pearson | 54 | Head | Millwright | Sweden |
| 28 | Harry L. Pearson | 24 | Son | Teller | Pennsylvania |
| 29 | William Pearson | 21 | Son | Chemist | Pennsylvania |
| 30 | Carl Pearson | 18 | Son | — | Pennsylvania |
| 31 | Helen Hester | 41 | Housekeeper | — | Pennsylvania |
| 32 | Evelyn Hester | 21 | Daughter | — | Pennsylvania |
| 33 | Earl Kitzler | 30 | Head | Laborer | Pennsylvania |
| 34 | Mollie Kitzler | 27 | Wife | — | Pennsylvania |
| 35 | Earl Kitzler | 4 | Son | — | Pennsylvania |
| 36 | Charles Minnick | 50 | Head | Yardmaster | Pennsylvania |
| 37 | Genevieve Minnick | 50 | Wife | — | Pennsylvania |
| 38 | Marjorie Minnick | 23 | Daughter | School Teacher | Pennsylvania |
| 39 | Virginia Minnick | 21 | Daughter | Clerk | Pennsylvania |
| 40 | Beryl Minnick | 20 | Daughter | — | Pennsylvania |
| 41 | Charles Minnick | 15 | Son | — | Pennsylvania |
| 42 | Betty Minnick | 12 | Daughter | — | Pennsylvania |
| 43 | Kenneth Beck | 30 | Head | Mechanic | Pennsylvania |
| 44 | Violet Beck | 25 | Wife | — | Pennsylvania |
| 45 | Kenneth Beck | 4 | Son | — | Pennsylvania |
| 46 | Carrie Riddle | 37 | Head | Fitter | Pennsylvania |
| 47 | Annie Riddle | 35 | Sister | Clerk | Pennsylvania |
| 48 | Frank C. Miller | 42 | Head | Laborer | Pennsylvania |
| 49 | Mary G. Miller | 36 | Wife | — | Pennsylvania |
| 50 | Ruth L. Miller | 1 | Daughter | — | Pennsylvania |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)