MR
Mary Randall — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Randall across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 7-person household.
Age 23
b. ~1907
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Randall |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jacob Randall | Head | — | 65 | ~1865 |
| George Randall | Son | — | 15 | ~1915 |
| Norton Randall | Son | — | 25 | ~1905 |
| Martha Randall | Daughter | — | 29 | ~1901 |
| Mary Randall | Spouse | — | 61 | ~1869 |
| Ruth Randall | Daughter | — | 27 | ~1903 |
| Mary Randall | Daughter | — | 23 | ~1907 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Randall |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 23
Allegheny, Pennsylvania · implied b. ~1907 — 7 household members
| Surname | Randall |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Insurance Co |
| 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 Mary Randall across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Randall
Daughter · 1930 · age 23 · b. ~1907 · Pennsylvania
★ You are viewing this record
Sibling
Martha Randall
Sibling · 1930 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Randall
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Randall
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norton Randall
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
27 people indexed on this census page (ia:1930:fifteenthcensus00reel1981:0306)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward J Dennis | 57 | Head | Laborer | Wyoming |
| 2 | Catherine Dennis | 50 | Wife | — | Pennsylvania |
| 3 | — | None | — | — | — |
| 4 | — | None | — | — | — |
| 5 | Elmer Bleiel | 39 | Head | — | Pennsylvania |
| 6 | Flora Bleiel | 33 | Wife | — | Pennsylvania |
| 7 | Thelma Bleiel | 11 | Daughter | — | Pennsylvania |
| 8 | Elmer C Bleiel | 2 | Son | — | Pennsylvania |
| 9 | Anna Freund | 62 | Mother-in-law | — | Pennsylvania |
| 10 | Alice B Casper | 62 | Head-HR | — | Pennsylvania |
| 11 | Jacob N Randall | 65 | Head | Rougher | Pennsylvania |
| 12 | Mary F Randall | 61 | Wife | — | Pennsylvania |
| 13 | Martha H Randall | 29 | Daughter | Teacher | Pennsylvania |
| 14 | Ruth E Randall | 27 | Daughter | Stenographer | Pennsylvania |
| 15 | Norton P Randall | 25 | Son | Cable Splicer | Pennsylvania |
| 16 | Mary L Randall THIS PERSON | 23 | Daughter | Clerk | Pennsylvania |
| 17 | George H Randall | 15 | Son | — | Pennsylvania |
| 18 | Rose Solomon | 54 | Head | Janitress | Pennsylvania |
| 19 | Carrie Solomon | 45 | Sister | Saleswoman | Pennsylvania |
| 20 | Howard W Lafferty | 35 | Head | Deliveryman | Pennsylvania |
| 21 | Frances Lafferty | 35 | Wife | — | Pennsylvania |
| 22 | Margaret A Lafferty | 10 | Daughter | — | Pennsylvania |
| 23 | Leona C Lafferty | 9 | Daughter | — | Pennsylvania |
| 24 | Deloris C Lafferty | 4 | Daughter | — | Pennsylvania |
| 25 | Howard J Lafferty | 1 | Son | — | Pennsylvania |
| 26 | Joseph Scherer | 85 | Father-in-law | — | Germany |
| 27 | William J Naterkotte | 76 | Lodger | Draftsman | Germany |
Related Census Records
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)