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Mary Prince — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Prince across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 7-person household.
Age 28
b. ~1912
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Prince |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Clairton City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Industry | 640 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Clairton City |
| Est. Birth Year | ~1912 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Christine Prince | Other | — | 26 | ~1914 |
| Anthony Prince | Head | — | 59 | ~1881 |
| Joseph Prince | Son | — | 25 | ~1915 |
| Frances Prince | Spouse | — | 52 | ~1888 |
| Mary Prince | Daughter | — | 28 | ~1912 |
| Jennie Prince | Daughter | — | 23 | ~1917 |
| Frank Prince | Son | — | 22 | ~1918 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 18
Allegheny, Pennsylvania · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Prince |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Yugoslavia |
| Mother's Birthplace | Yugoslavia |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 28
Allegheny-County, Pennsylvania · implied b. ~1912 — 7 household members
| Surname | Prince |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Clairton City |
| 1935 Residence (County) | Allegheny |
| Industry | 640 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| 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 Prince across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Prince
Daughter · 1940 · age 28 · b. ~1912 · Pennsylvania
★ You are viewing this record
Sibling
Frank Prince
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Prince
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Prince
Sibling · 1940 · 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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03400-00659)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Radocaj | 13 | Daughter | — | Pennsylvania |
| 42 | Walter Radocaj | 8 | Son | — | Pennsylvania |
| 43 | Anthony Prince | 59 | Head | Laborer | Yugoslavia |
| 44 | Frances Prince | 52 | Wife | — | Yugoslavia |
| 45 | Mary Prince THIS PERSON | 28 | Daughter | — | Pennsylvania |
| 46 | Joseph Prince | 25 | Son | Clerk | Pennsylvania |
| 47 | Jennie Prince | 23 | Daughter | Book Keeper | Pennsylvania |
| 48 | Frank Prince | 22 | Son | Laborer | Pennsylvania |
| 49 | Christine Prince | 26 | Daughter in law | 500 | Pennsylvania |
| 50 | Thomas O. Hill | 65 | Head | Blacksmith | Pennsylvania |
| 51 | Laura Hill | 65 | Wife | — | Pennsylvania |
| 52 | Joseph Holick | 35 | Head | Pipe Fitter | Pennsylvania |
| 53 | Marie Holick | 29 | Wife | — | Pennsylvania |
| 54 | Robert Holick | 7 | Son | — | Pennsylvania |
| 55 | Mary Zavaron | 53 | Head | — | Austria Hungary |
| 56 | Eve Janet Zavaron | 23 | Daughter | — | Pennsylvania |
| 57 | John Zavaron | 19 | Son | Laborer | Pennsylvania |
| 58 | Louis Zavaron | 17 | Son | — | Pennsylvania |
| 59 | Catherine Zavaron | 16 | Daughter | — | Pennsylvania |
| 60 | Anthony Pasquerelli | 36 | Head | Recorder | Pennsylvania |
| 61 | Genevieve Pasquerelli | 27 | Wife | — | Pennsylvania |
| 62 | Francis Pasquerelli | 5 | Son | — | Pennsylvania |
| 63 | Albert Gibson | 24 | Brother in law | A. P. & S. Man | Pennsylvania |
| 64 | Margaret Gibson | 20 | Sister in law | — | Pennsylvania |
| 65 | Dennis Gibson | 1 | Nephew | — | Pennsylvania |
| 66 | Waldo Campbell | 40 | Head | Body & Fender Man | Pennsylvania |
| 67 | Leona Campbell | 33 | Wife | — | Pennsylvania |
| 68 | Freda Campbell | 9 | Daughter | — | Pennsylvania |
| 69 | Lucile Campbell | 5 | Daughter | — | Pennsylvania |
| 70 | Barbara Campbell | 4 | Daughter | — | Pennsylvania |
| 71 | Philip J. Mahaffey | 47 | Head | Engineer | Pennsylvania |
| 72 | Marion I. Mahaffey | 35 | Wife | — | Pennsylvania |
| 73 | Mike Krizman | 49 | Head | Pipe Fitter | Hungary |
| 74 | Elizabeth Krizman | 42 | Wife | — | Hungary |
| 75 | Andrew Krizman | 22 | Son | Switch Man | Pennsylvania |
| 76 | Irene Krizman | 19 | Daughter | House Work | Pennsylvania |
| 77 | Mary Luteran | 62 | Head | — | Slovakia |
| 78 | Mike Luteran | 25 | Son | Cinder Pit | Pennsylvania |
| 79 | John Luteran | 29 | Son | Second Helper | Pennsylvania |
| 80 | Anna Luteran | 29 | Daughter in law | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)