MO
Mary Oliver — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bucks, Pennsylvania
Our Model Tree links this Mary Oliver across the 1930 and 1940 US Censuses in Bucks, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 24-person household.
Age 19
b. ~1911
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bucks, Pennsylvania |
| Surname | Oliver |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Ins Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Stenographer |
| Township / Ward | Bristol Borough |
| Est. Birth Year | ~1911 |
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.
24 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Smoyer | Daughter | — | 8 | ~1922 |
| Catherine Oliver | Daughter | — | 17 | ~1913 |
| Mildred Smoyer | Daughter | — | 10 | ~1920 |
| Mary Oliver | Daughter | — | 19 | ~1911 |
| Hanna Oliver | Daughter | — | 13 | ~1917 |
| Margaret Oliver | Daughter | — | 16 | ~1914 |
| Raymond Jones | Head | — | 39 | ~1891 |
| Howard Smoyer | Other | — | 37 | ~1893 |
| Charles Oliver | Other | — | 44 | ~1886 |
| Kate Smith | Other | — | 58 | ~1872 |
| Rae Vandergrift | Other | — | 48 | ~1882 |
| Helen Hackett | Other | — | 23 | ~1907 |
| Mary Hackett | Other | — | 27 | ~1903 |
| Evan Vandergrift | Other | — | 35 | ~1895 |
| Frank Jones | Son | — | 5 | ~1925 |
| Raymond Smoyer | Son | — | 4 | ~1926 |
| Charles Oliver | Son | — | 12 | ~1918 |
| Howard Smoyer | Son | — | 12 | ~1918 |
| Harry Oliver | Son | — | 20 | ~1910 |
| Wilson Smith | Son | — | 27 | ~1903 |
| Raymond Jones | Son | — | 9 | ~1921 |
| Elizabeth Smoyer | Spouse | — | 33 | ~1897 |
| Mary Oliver | Spouse | — | 45 | ~1885 |
| Catherine Jones | Spouse | — | 37 | ~1893 |
Census Appearances
1930
Bucks, Pennsylvania
Daughter, age 19
Bucks, Pennsylvania · implied b. ~1911 — 24 household members
| Surname | Oliver |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stenographer |
| Industry | Ins Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Bucks-County, Pennsylvania
Daughter, age 30
Bucks-County, Pennsylvania · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bristol Borough |
| 1935 Residence (County) | Bucks |
| Occupation | Stenographer |
| Industry | County Comm. Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| 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 Oliver across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Oliver
Daughter · 1930 · age 19 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Howard Smoyer
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilson Smith
Sibling · 1930 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Smoyer
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Jones
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Smoyer
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Oliver
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Oliver
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Oliver
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hanna Oliver
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Oliver
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Smoyer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Jones
Sibling · 1930 · age 5
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 — Bucks, Pennsylvania
Open full size
1930 US Federal Census — Bucks, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2007:0253)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luke Kilcoyne | 34 | Head | Lawyer | Pennsylvania |
| 2 | Anita Kilcoyne | 32 | Sister | — | Pennsylvania |
| 3 | Frederick Becker | 47 | R | Electrician | Bavaria Germany |
| 4 | Louise Becker | 36 | Wife | — | Prussia Germany |
| 5 | Frederick Jr. Becker | 14 | Son | — | Pennsylvania |
| 6 | Harry P. Becker | 12 | Son | — | Pennsylvania |
| 7 | William H. Becker | 9 | Son | — | Pennsylvania |
| 8 | Ralph H. Walter | 47 | Lodger | — | Mass. |
| 9 | Dominick Patino | 36 | O | Glass Cutter | New Jersey |
| 10 | Mary Patino | 27 | Wife | — | New York |
| 11 | Louis Patino | 6 | Son | — | Pennsylvania |
| 12 | Michael Mccale | 34 | R | Merchant | Pennsylvania |
| 13 | Margaret Mccale | 31 | Wife | — | Pennsylvania |
| 14 | Ellwood Mccale | 5 | Son | — | Pennsylvania |
| 15 | Mildred Mccale | 3 | Daughter | — | Pennsylvania |
| 16 | Claire Mccale | 1 | Daughter | — | Pennsylvania |
| 17 | Patrick Green | 29 | R | Merchant | Pennsylvania |
| 18 | Margaret Green | 30 | Wife | — | Pennsylvania |
| 19 | Helen Green | 9 | Daughter | — | Pennsylvania |
| 20 | Patrick Green | 5 | Son | — | Pennsylvania |
| 21 | Lina Forbes | 36 | R | Waitress | Pennsylvania |
| 22 | Laura Forbes | 10 | Daughter | — | Pennsylvania |
| 23 | John Donnell | 56 | O | Foreman | Pennsylvania |
| 24 | Frank Donnell | 51 | Brother | Fireman | Pennsylvania |
| 25 | Edw Donnell | 40 | Brother | Bookkeeper | Pennsylvania |
| 26 | Philip Donnell | 44 | Brother | Merchant | Pennsylvania |
| 27 | Raymond Jones | 39 | Head | Molder | Pennsylvania |
| 28 | Catherine Jones | 37 | Wife | — | Pennsylvania |
| 29 | Raymond Jr. Jones | 9 | Son | — | Pennsylvania |
| 30 | Frank Jones | 5 | Son | — | Pennsylvania |
| 31 | Mary Hackett | 27 | Niece | — | Pennsylvania |
| 32 | Helen Hackett | 23 | Niece | Spinner | Pennsylvania |
| 33 | Charles Oliver | 44 | O | Leather Finisher | New Jersey |
| 34 | Mary Oliver | 45 | Wife | — | Pennsylvania |
| 35 | Harry Oliver | 20 | Son | Laborer | Pennsylvania |
| 36 | Mary Oliver THIS PERSON | 19 | Daughter | Stenographer | Pennsylvania |
| 37 | Catherine Oliver | 17 | Daughter | Stenographer | Pennsylvania |
| 38 | Margaret Oliver | 16 | Daughter | — | Pennsylvania |
| 39 | Hanna Oliver | 13 | Daughter | — | Pennsylvania |
| 40 | Charles Oliver | 12 | Son | — | Pennsylvania |
| 41 | Howard Smoyer | 37 | R | Rail Road Con | Pennsylvania |
| 42 | Elizabeth Smoyer | 33 | Wife | — | Pennsylvania |
| 43 | Howard Smoyer | 12 | Son | — | Pennsylvania |
| 44 | Mildred Smoyer | 10 | Daughter | — | Pennsylvania |
| 45 | Betty Smoyer | 8 | Daughter | — | Pennsylvania |
| 46 | Raymond Smoyer | 4 | Son | — | Pennsylvania |
| 47 | Kate Smith | 58 | O | — | Pennsylvania |
| 48 | Wilson Smith | 27 | Son | Accountant | Pennsylvania |
| 49 | Evan Vandergrift | 35 | R | Salesman | Pennsylvania |
| 50 | Rae Vandergrift | 48 | Sister | — | Pennsylvania |
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)