MC
Mary Conrad — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cambria, Pennsylvania
Our Model Tree links this Mary Conrad across the 1920 and 1930 US Censuses in Cambria, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 11-person household.
Age 14
b. ~1916
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cambria, Pennsylvania |
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Ashville Borough |
| Est. Birth Year | ~1916 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Leo Conrad | Son | — | 6 | ~1924 |
| Nora Conrad | Spouse | — | 36 | ~1894 |
| Mary Conrad | Daughter | — | 14 | ~1916 |
| Doris Conrad | Daughter | — | 8 | ~1922 |
| Jane Conrad | Daughter | — | 4 | ~1926 |
| Paul Conrad | Son | — | 10 | ~1920 |
| Walter Conrad | Head | — | 39 | ~1891 |
| Clair Conrad | Son | — | 16 | ~1914 |
| James Conrad | Son | — | 1 | ~1929 |
| Ruth Conrad | Daughter | — | 17 | ~1913 |
| Clyde Conrad | Son | — | 2 | ~1928 |
Census Appearances
1920
Cambria, Pennsylvania
Daughter, age 4
Cambria, Pennsylvania · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Cambria, Pennsylvania
Daughter, age 14
Cambria, Pennsylvania · implied b. ~1916 — 11 household members
| Surname | Conrad |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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 Conrad across 2 US Census years (1920 and 1930) in Cambria, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Conrad
Daughter · 1930 · age 14 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Leo Conrad
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Conrad
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Conrad
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Conrad
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clair Conrad
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Conrad
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Conrad
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Conrad
Sibling · 1930 · age 4
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 — Cambria, Pennsylvania
Open full size
1930 US Federal Census — Cambria, Pennsylvania
Page Contents
43 people indexed on this census page (ia:1930:fifteenthcensus00reel2010:0703)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Conrad | 39 | Head | Miner | Pennsylvania |
| 2 | Nora Conrad | 36 | Wife | — | Pennsylvania |
| 3 | Ruth Conrad | 17 | Daughter | — | Pennsylvania |
| 4 | Clair Conrad | 16 | Son | — | Pennsylvania |
| 5 | Mary Conrad THIS PERSON | 14 | Daughter | — | Pennsylvania |
| 6 | Paul Conrad | 10 | Son | — | Pennsylvania |
| 7 | Doris Conrad | 8 | Daughter | — | Pennsylvania |
| 8 | Leo Conrad | 6 | Son | — | Pennsylvania |
| 9 | Jane Conrad | 4 | Daughter | — | Pennsylvania |
| 10 | Clyde Conrad | 2 | Son | — | Pennsylvania |
| 11 | James Conrad | 1 | Son | — | Pennsylvania |
| 12 | John Lynch | 35 | Head | — | Pennsylvania |
| 13 | Elizabeth Lynch | 34 | Wife | Saleswoman | Pennsylvania |
| 14 | Marie Lynch | 11 | Daughter | — | Pennsylvania |
| 15 | John Jr. Lynch | 9 | Son | — | Pennsylvania |
| 16 | Beatrice Lynch | 7 | Daughter | — | Pennsylvania |
| 17 | Joseph Lynch | 5 | Son | — | Pennsylvania |
| 18 | Margaret Lynch | 4 | Daughter | — | Pennsylvania |
| 19 | William Lynch | 3 | Son | — | Pennsylvania |
| 20 | Sarah Blakely | 22 | Servant | Maid | Pennsylvania |
| 21 | Catherine Lygas | 48 | Head | — | Poland |
| 22 | Mary Lygas | 17 | Daughter | — | Pennsylvania |
| 23 | Helen Lygas | 15 | Daughter | — | Pennsylvania |
| 24 | Joseph Lygas | 12 | Son | — | Pennsylvania |
| 25 | Tony Hamscherak | 54 | Head | Miner | Poland |
| 26 | Annie Hamscherak | 55 | Wife | — | Poland |
| 27 | Mary Hamscherak | 26 | Daughter | Maid | Pennsylvania |
| 28 | Michael Hamscherak | 24 | Son | Laborer | Pennsylvania |
| 29 | Leonard Hamscherak | 16 | Son | Laborer | Pennsylvania |
| 30 | Sarah Mccortney | 49 | Head | Proprietor | Canada-Eng |
| 31 | Alice Mccortney | 23 | Daughter | Beauty Parlor | Pennsylvania |
| 32 | Agnes M. Mccortney | 19 | Daughter | Beauty Parlor | Pennsylvania |
| 33 | Vincent Mccortney | 16 | Son | Laborer | Pennsylvania |
| 34 | William Mccortney | 14 | Son | — | Pennsylvania |
| 35 | Irene Mccortney | 11 | Daughter | — | Pennsylvania |
| 36 | James Mccortney | 8 | Son | — | Pennsylvania |
| 37 | Mary Mcconnell | 64 | Head | — | Pennsylvania |
| 38 | Richard Wells | 43 | Head | Miner | Pennsylvania |
| 39 | Minnie Wells | 9 | Daughter | — | Pennsylvania |
| 40 | Mary Wells | 7 | Daughter | — | Pennsylvania |
| 41 | William Hollern | 42 | Boarder | Laborer | Pennsylvania |
| 42 | Albert Kiggleman | 62 | Lodger | Miner | Pennsylvania |
| 43 | Thomas Mccool | 28 | Lodger | Meat Cutter | 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)