MM
Mary Murdock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Mary Murdock across the 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Murdock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avoca |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Avoca |
| Est. Birth Year | ~1925 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edward Murdock | Head | — | 44 | ~1896 |
| Mary Murdock | Daughter | — | 15 | ~1925 |
| Edward Murdock | Son | — | 8 | ~1932 |
| Nettie Murdock | Spouse | — | 44 | ~1896 |
| Jane Murdock | Daughter | — | 17 | ~1923 |
| Agnes Murdock | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Luzerne, Pennsylvania
Daughter, age 5
Luzerne, Pennsylvania · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murdock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| 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 |
1940
Luzerne-County, Pennsylvania
Daughter, age 15
Luzerne-County, Pennsylvania · implied b. ~1925 — 6 household members
| Surname | Murdock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Avoca |
| 1935 Residence (County) | Luzerne |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| 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 · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Edward Murdock
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Murdock
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Murdock
Sibling · 1940 · age 19
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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03549-00235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Faulds | 43 | House keeper | House Keeper | Pennsylvania |
| 42 | Thomas Howell | 65 | Brother | Air Brake Inspector | Pennsylvania |
| 43 | Harry W. Curley | 46 | Head | Stone Mason | Pennsylvania |
| 44 | Genevieve Curley | 41 | Wife | — | Pennsylvania |
| 45 | John Curley | 33 | Brother | Foreman | Pennsylvania |
| 46 | William H. Richards | 51 | Head | Laborer | Pennsylvania |
| 47 | Mary M. Richards | 51 | Wife | — | Pennsylvania |
| 48 | William F. Jr. Richards | 20 | Son | — | Pennsylvania |
| 49 | James Richards | 11 | Son | — | Pennsylvania |
| 50 | Edward J. Murdock | 44 | Head | Laborer | Pennsylvania |
| 51 | Nettie Murdock | 44 | Wife | — | Pennsylvania |
| 52 | Agnes Murdock | 19 | Daughter | Filing Clerk | Pennsylvania |
| 53 | Jane Murdock | 17 | Daughter | — | Pennsylvania |
| 54 | Mary Murdock THIS PERSON | 15 | Daughter | — | Pennsylvania |
| 55 | Edward Murdock | 8 | Son | — | Pennsylvania |
| 56 | Mary J. Llewellyn | 40 | Head | — | Pennsylvania |
| 57 | Harold Davies | 37 | Son in law | Architectural Engineer | Pennsylvania |
| 58 | Mary Davies | 37 | Daughter | — | Pennsylvania |
| 59 | Allan Davies | 4 | Grand son | — | Pennsylvania |
| 60 | Edwin Allen | 26 | Head | Accountant | Pennsylvania |
| 61 | Phoebe Allen | 25 | Wife | — | Pennsylvania |
| 62 | Barbara Lee Allen | 2 | Son | — | Pennsylvania |
| 63 | Lottie Dommermuth | 74 | Head | — | Pennsylvania |
| 64 | Jessie Dommermuth | 39 | Daughter | Stenographer | Pennsylvania |
| 65 | Isabel Dommermuth | 38 | Daughter | Stenographer | Pennsylvania |
| 66 | Eugene Jr. Williams | 30 | Head | New Worker | Pennsylvania |
| 67 | Edna Williams | 20 | Wife | — | Pennsylvania |
| 68 | Margaret Williams | 45 | Head | — | Pennsylvania |
| 69 | Ethel Robshaw | 48 | Daughter | — | Pennsylvania |
| 70 | Charles Robshaw | 52 | Son in law | Boiler Fireman | Pennsylvania |
| 71 | Eugene Williams | 71 | Husband | — | Pennsylvania |
| 72 | William Collins | 29 | Head | Brakeman | Pennsylvania |
| 73 | Ethel Collins | 28 | Wife | — | Pennsylvania |
| 74 | Nancy Collins | 2 | Daughter | — | Pennsylvania |
| 75 | Mary J. Charles | 70 | Head | — | Pennsylvania |
| 76 | Emma Charles | 47 | Daughter | Proprietress Retail Groceries | Pennsylvania |
| 77 | William J. Bell | 50 | Head | Laborer | Pennsylvania |
| 78 | Jennie Bell | 49 | Wife | — | Pennsylvania |
| 79 | William Jr. Bell | 24 | Son | Laborer | Pennsylvania |
| 80 | Margaret Bell | 27 | Daughter | — | 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)