MJ
Margaret Johnston — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Margaret Johnston across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1904), then head of a 6-person household.
Age 26
b. ~1904
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Johnston |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Time Clerk |
| Industry | Glue Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Time Clerk |
| Township / Ward | Springdale Borough |
| Est. Birth Year | ~1904 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| George Johnston | Son | — | 23 | ~1907 |
| Clara Johnston | Other | — | 17 | ~1913 |
| Margaret Johnston | Daughter | — | 26 | ~1904 |
| Catherine Johnston | Daughter | — | 25 | ~1905 |
| George Johnston | Head | — | 60 | ~1870 |
| Lucy Johnston | Other | — | 55 | ~1875 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 6
Allegheny, Pennsylvania · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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 16
Allegheny, Pennsylvania · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| 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 26
Allegheny, Pennsylvania · implied b. ~1904 — 6 household members
| Surname | Johnston |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Time Clerk |
| Industry | Glue Works |
| Class of Worker | W |
| 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 Margaret Johnston across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father George Johnston (~0.92 confidence) and father George Johnston (~0.92 confidence) and mother Lucie Johnston (~0.92 confidence) and mother Anna Johnston (~0.92 confidence) and father Frank Johnston (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Johnston
b. ~1870
Source father
● Household
· direct · ~0.92
Father
George Johnston
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Lucie Johnston
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Anna Johnston
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Frank Johnston
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
Margaret Johnston
Daughter · 1930 · age 26 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
George Johnston
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Johnston
Sibling · 1930 · age 25
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:fifteenthcensus00reel1991:0051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Degory | 55 | Head-H | Chipper | Pennsylvania |
| 2 | Walter R Degory | 27 | Son | Laborer | Pennsylvania |
| 3 | Lee C Degory | 23 | Son | Laborer | Pennsylvania |
| 4 | Dorothy M Brown | 11 | Grand Daughter | — | Pennsylvania |
| 5 | Mark Knightly | 49 | Head | — | Pennsylvania |
| 6 | Tillie Knightly | 45 | Sister | Seamstress | Pennsylvania |
| 7 | Samuel Rich | 41 | Head | Brakeman | Pennsylvania |
| 8 | Ruth B Rich | 38 | Wife-H | — | Pennsylvania |
| 9 | Maxine June Rich | 14 | Daughter | — | Pennsylvania |
| 10 | Albert H Zimmerly | 49 | Head | Inspector | Pennsylvania |
| 11 | Hattie B Zimmerly | 43 | Wife-H | — | Pennsylvania |
| 12 | Loretta M Zimmerly | 18 | Daughter | Stripper | Pennsylvania |
| 13 | Vera A Zimmerly | 17 | Daughter | — | Pennsylvania |
| 14 | Zoe M Zimmerly | 11 | Daughter | — | Pennsylvania |
| 15 | Della J Zimmerly | 9 | Daughter | — | Pennsylvania |
| 16 | Albert J Zimmerly | 7 | Son | — | Pennsylvania |
| 17 | Robert L Zimmerly | 2 | Son | — | Pennsylvania |
| 18 | Herbert P Hudson | 49 | Head | Inspector | Pennsylvania |
| 19 | Margaret J Hudson | 46 | Wife-H | — | Pennsylvania |
| 20 | John H Hudson | 21 | Son | Laborer | Pennsylvania |
| 21 | George A Hudson | 16 | Son | — | Pennsylvania |
| 22 | Donald F Hudson | 13 | Son | — | Pennsylvania |
| 23 | Harry A Hudson | 20 | Son | Polisher | Pennsylvania |
| 24 | Dorothy Hudson | 21 | Daughter-in-law | — | Pennsylvania |
| 25 | Earl L Couch | 47 | Head | Carpenter | Pennsylvania |
| 26 | Nellie L Couch | 44 | Wife-H | Teacher | Pennsylvania |
| 27 | Helen L Couch | 41 | Sister-H | — | Pennsylvania |
| 28 | Ray A Lehman | 42 | Head | Miner | Pennsylvania |
| 29 | Emily E Lehman | 41 | Wife-H | — | Pennsylvania |
| 30 | Albert L Lehman | 16 | Son | — | Pennsylvania |
| 31 | Mary E Lehman | 12 | Daughter | — | Pennsylvania |
| 32 | Cyril J Lehman | 10 | Son | — | Pennsylvania |
| 33 | John M Miller | 72 | Head-H | Brakeman | Pennsylvania |
| 34 | George Miller | 54 | Brother | Roofer | Pennsylvania |
| 35 | Raymond L Dunn | 23 | Head | Laborer | Pennsylvania |
| 36 | Helen E Dunn | 21 | Wife-H | — | Pennsylvania |
| 37 | James Hartley | 68 | Head | — | Pennsylvania |
| 38 | Margaret Langdon | 80 | Sister-H | — | Pennsylvania |
| 39 | George F Johnston | 60 | Head | Laborer | Pennsylvania |
| 40 | Lucy M Johnston | 55 | Wife-H | — | Pennsylvania |
| 41 | Margaret E Johnston THIS PERSON | 26 | Daughter | Time Clerk | Pennsylvania |
| 42 | Catherine S Johnston | 25 | Daughter | — | Pennsylvania |
| 43 | George W Johnston | 23 | Son | Brakeman | Pennsylvania |
| 44 | Clara K Johnston | 17 | Daughter-in-law | — | Pennsylvania |
| 45 | Elva O Eaton | 29 | Head-H | — | Pennsylvania |
| 46 | Freda E Eaton | 9 | Daughter | — | Pennsylvania |
| 47 | Norman H Eaton | 7 | Son | — | Pennsylvania |
| 48 | Wallace G Eaton | 5 | Son | — | Pennsylvania |
| 49 | William G Anthony | 21 | Brother | Laborer | Pennsylvania |
| 50 | Clifford Haines | 35 | Head | Laborer | Pennsylvania |
Related Census Records
Pedigree Summary
Margaret + 2 siblings
Gen 1 · 5 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)