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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 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Johnston |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Nurse |
| Industry | Private Case |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Nurse |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Anna Johnston | Daughter | — | 21 | ~1909 |
| Josephine Johnston | Head | — | 52 | ~1878 |
| Frank Johnston | Son | — | 23 | ~1907 |
| Christine Johnston | Daughter | — | 26 | ~1904 |
| Elizabeth Johnston | Daughter | — | 17 | ~1913 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
| Surname | Johnston |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Nurse |
| Industry | Private Case |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 31
Allegheny-County, Pennsylvania · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Annie C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Ross twp |
| 1935 Residence (County) | Allegheny |
| Occupation | Sales Lady |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 832 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Johnston
Daughter · 1930 · age 21 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Johnston
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Johnston
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christine Johnston
Sibling · 1930 · age 26
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:fifteenthcensus00reel1988:0894)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J. Harrington | 40 | Head | Inspector | Pennsylvania |
| 2 | Velma R. Harrington | 40 | Wife | — | Pennsylvania |
| 3 | Dorothy L. Harrington | 16 | Daughter | — | Pennsylvania |
| 4 | Scott Vincent | 31 | Head | Salesman | West Virginia |
| 5 | Sigrid Vincent | 29 | Wife | — | West Virginia |
| 6 | Betty E. Vincent | 6 | Daughter | — | Pennsylvania |
| 7 | Thomas G. Vincent | 4 | Son | — | Pennsylvania |
| 8 | Ambrose J. Martz | 31 | Head | Paperhanger | Pennsylvania |
| 9 | Alma Martz | 28 | Wife | — | Kansas |
| 10 | Dorothy Martz | 7 | Daughter | — | Oklahoma |
| 11 | Ambrose Jr. Martz | 5 | Son | — | Pennsylvania |
| 12 | Jennie Martz | 3 | Daughter | — | Pennsylvania |
| 13 | John C. Martz | 1 | Son | — | Pennsylvania |
| 14 | Thomas Tregedowan | 45 | Head | Meat Cutter | Pennsylvania |
| 15 | Ethel Tregedowan | 40 | Wife | — | Pennsylvania |
| 16 | William H. Pfahl | 42 | Head | Foreman | Pennsylvania |
| 17 | Olive Pfahl | 42 | Wife | — | Pennsylvania |
| 18 | Dorothy Pfahl | 18 | Daughter | Stenographer | Pennsylvania |
| 19 | William T. Pfahl | 14 | Son | — | Pennsylvania |
| 20 | Mathilda Gray | 63 | Aunt | — | Connecticut |
| 21 | Samuel J. Atchison | 34 | Head | Clerk | Pennsylvania |
| 22 | Florence G. Atchison | 32 | Wife | — | Pennsylvania |
| 23 | Dorothy J. Atchison | 13 | Daughter | — | Pennsylvania |
| 24 | William G. Atchison | 11 | Son | — | Pennsylvania |
| 25 | Thomas S. Atchison | 8 | Son | — | Pennsylvania |
| 26 | Robert S. Atchison | 4 | Son | — | Pennsylvania |
| 27 | William H. Golden | 47 | Head | Auditor | Virginia |
| 28 | Belle Golden | 46 | Wife | — | Virginia |
| 29 | Audrey E. Golden | 17 | Daughter | Saleswoman | Virginia |
| 30 | Lelia Golden | 13 | Daughter | — | Virginia |
| 31 | Viola Lockhart | 25 | Daughter | Laundress | Virginia |
| 32 | Lucille Lockhart | 3 | Granddaughter | — | Virginia |
| 33 | Roscoe Munsey | 35 | Boarder | Laborer | Virginia |
| 34 | Gertrude Munsey | 6 | Boarder | — | Virginia |
| 35 | Ralph Gibson | 24 | Head | Repairman | Pennsylvania |
| 36 | Agnes Gibson | 23 | Wife | — | Pennsylvania |
| 37 | Jessie Gibson | 3 | Daughter | — | Pennsylvania |
| 38 | George H. Graham | 64 | Head | Foreman | Indiana |
| 39 | Anna M. Graham | 61 | Wife | — | Pennsylvania |
| 40 | Josephine Johnston | 52 | Head | — | Pennsylvania |
| 41 | Christine Johnston | 26 | Daughter | Saleswoman | Pennsylvania |
| 42 | Frank Johnston | 23 | Son | Mechanic | Pennsylvania |
| 43 | Anna Johnston THIS PERSON | 21 | Daughter | Nurse | Pennsylvania |
| 44 | Elizabeth Johnston | 17 | Daughter | Telephone Operator | Pennsylvania |
| 45 | Max Clawson | 30 | Head | Waiter | Pennsylvania |
| 46 | Irma B. Clawson | 5 | Daughter | — | Pennsylvania |
| 47 | Richard Clawson | 4 | Son | — | Pennsylvania |
| 48 | Nelly Shaw | 50 | Mother-in-law | — | Pennsylvania |
| 49 | Hazel Morgan | 22 | Roomer | Packer | Ohio |
| 50 | Jefferson Scobbo | 75 | Head | — | Kentucky |
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)