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Mary Murdock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Washington, Pennsylvania
Our Model Tree links this Mary Murdock across the 1930 and 1940 US Censuses in Washington, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 10-person household.
Age 13
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, Pennsylvania |
| Surname | Murdock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Midland |
| Est. Birth Year | ~1917 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Murdock | Daughter | — | 13 | ~1917 |
| Victoria Murdock | Daughter | — | 18 | ~1912 |
| Benny Murdock | Son | — | 21 | ~1909 |
| Betty Murdock | Daughter | — | 1 | ~1929 |
| John Murdock | Head | — | 46 | ~1884 |
| John Murdock | Son | — | 6 | ~1924 |
| Samuel Murdock | Son | — | 3 | ~1927 |
| Cynthia Murdock | Daughter | — | 10 | ~1920 |
| Angeline Murdock | Spouse | — | 36 | ~1894 |
| Margaret Murdock | Daughter | — | 8 | ~1922 |
Census Appearances
1930
Washington, Pennsylvania
Daughter, age 13
Washington, Pennsylvania · implied b. ~1917 — 10 household members
| Surname | Murdock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Daughter, age 24
Washington-County, Pennsylvania · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murdoch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Midland |
| 1935 Residence (County) | Washington |
| Occupation | Machine Operator |
| Industry | Tinplate Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| 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 Murdock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Murdock
Daughter · 1930 · age 13 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
John Murdock
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Murdock
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victoria Murdock
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benny Murdock
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cynthia Murdock
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Murdock
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Murdock
Sibling · 1930 · age 1
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 — Washington, Pennsylvania
Open full size
1930 US Federal Census — Washington, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2161:0807)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Blatte | 45 | Head | Miner | Italy |
| 2 | Lucy Blatte | 41 | Wife | — | Italy |
| 3 | Joseph Blatte | 24 | Son | Miner | Italy |
| 4 | Theresa Blatte | 17 | Daughter | — | Pennsylvania |
| 5 | Josephine Blatte | 15 | Daughter | — | Pennsylvania |
| 6 | Rose Blatte | 11 | Daughter | — | Pennsylvania |
| 7 | Flora Blatte | 9 | Daughter | — | Pennsylvania |
| 8 | Tony Blatte | 8 | Son | — | Pennsylvania |
| 9 | Mary A. Blatte | 6 | Daughter | — | Pennsylvania |
| 10 | Benny Blatte | 5 | Son | — | Pennsylvania |
| 11 | Joana Blatte | 3 | Daughter | — | Pennsylvania |
| 12 | Mike Dudis | 37 | Head | Miner | Hungary |
| 13 | Mary Dudis | 45 | Wife | — | Hungary |
| 14 | Elizabeth Dudis | 19 | Daughter | Clerk | Pennsylvania |
| 15 | Helen Dudis | 17 | Daughter | — | West Virginia |
| 16 | Mary Dudis | 9 | Daughter | — | Pennsylvania |
| 17 | William Chestnut | 4 | Nephew | — | Pennsylvania |
| 18 | Robert Chestnut | 3 | Nephew | — | Pennsylvania |
| 19 | John Murdock | 46 | Head | Miner | Italy |
| 20 | Angeline Murdock | 36 | Wife | — | Italy |
| 21 | Benny Murdock | 21 | Son | Laborer | Pennsylvania |
| 22 | Victoria Murdock | 18 | Daughter | Sorter | Pennsylvania |
| 23 | Mary Murdock THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 24 | Cynthia Murdock | 10 | Daughter | — | Pennsylvania |
| 25 | Margaret Murdock | 8 | Daughter | — | Pennsylvania |
| 26 | John Murdock | 6 | Son | — | Pennsylvania |
| 27 | Samuel Murdock | 3 | Son | — | Pennsylvania |
| 28 | Betty Murdock | 1 | Daughter | — | Pennsylvania |
| 29 | Samuel Missina | 37 | Head | Miner | Italy |
| 30 | Josephine Missina | 32 | Wife | — | Italy |
| 31 | Rose Missina | 15 | Daughter | — | Pennsylvania |
| 32 | John Missina | 13 | Son | — | Pennsylvania |
| 33 | Isabell Missina | 11 | Daughter | — | Pennsylvania |
| 34 | Mary Missina | 9 | Daughter | — | Pennsylvania |
| 35 | Dominick Missina | 7 | Son | — | Pennsylvania |
| 36 | Jessie Missina | 4 | Daughter | — | Pennsylvania |
| 37 | Joe Missina | 2 | Son | — | Pennsylvania |
| 38 | Samuel Jr. Missina | 1 | Son | — | Pennsylvania |
| 39 | Tom Wisenick | 58 | Head | Miner | Russia |
| 40 | Katherine Wisenick | 42 | Wife | — | Russia |
| 41 | Genevieve Wisenick | 15 | Daughter | — | Pennsylvania |
| 42 | Chester Wisenick | 13 | Son | — | Pennsylvania |
| 43 | William Wisenick | 11 | Son | — | Pennsylvania |
| 44 | Henry Wisenick | 7 | Son | — | Pennsylvania |
| 45 | Charles Johnson | 25 | Head | Plate Feeder | Virginia |
| 46 | Caroline Johnson | 23 | Wife | — | Virginia |
| 47 | Charles Jr. Johnson | 2 | Son | — | Pennsylvania |
| 48 | Grace Johnson | 1 | Daughter | — | Pennsylvania |
| 49 | David Smith | 48 | Father-in-law | Miner | North Carolina |
| 50 | Joseph Smith | 24 | Son-in-law | Miner | Pennsylvania |
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)