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John Murdock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Murdock across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 11-person household.
Age 48
b. ~1892
Male
Head
Born: Austria
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Murdock |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Pittsburg |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Candy Clerk |
| Industry | Retail Candy |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 986 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Occupation | Candy Clerk |
| Township / Ward | Pittsburg |
| Est. Birth Year | ~1892 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Norma Murdock | Daughter | — | 8 | ~1932 |
| Vilma Murdock | Daughter | — | 23 | ~1917 |
| Henry Ambrose | Other | — | 51 | ~1889 |
| Margaret Murdock | Daughter | — | 25 | ~1915 |
| John Murdock | Head | — | 48 | ~1892 |
| Eugene Murdock | Son | — | 11 | ~1929 |
| Alice Murdock | Daughter | — | 15 | ~1925 |
| Regina Murdock | Spouse | — | 44 | ~1896 |
| Mary Murdock | Daughter | — | 12 | ~1928 |
| Henry Murdock | Son | — | 7 | ~1933 |
| Regina Murdock | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Allegheny, Pennsylvania
Head, age 34
Allegheny, Pennsylvania · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murdock |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1916 |
| Age at First Marriage | 24 |
| Father's Birthplace | Czecho-Slovakia |
| Mother's Birthplace | Slovakia |
| Occupation | Map maker |
| Industry | Blue P.C. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Czech |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Allegheny-County, Pennsylvania
Head, age 48
Allegheny-County, Pennsylvania · implied b. ~1892 — 11 household members
| Surname | Murdock |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Pittsburg |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Occupation | Candy Clerk |
| Industry | Retail Candy |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 986 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
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 John Murdock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Murdock
Head · 1940 · age 48 · b. ~1892 · Pennsylvania
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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-t0627-03655-00511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Josephine Steinhauser | 34 | Wife | — | Pennsylvania |
| 42 | John Steinhauser | 8 | Son | — | Pennsylvania |
| 43 | Joanna Steinhauser | 4 | Daughter | — | Pennsylvania |
| 44 | John Murdock THIS PERSON | 48 | Head | Candy Clerk | Austria |
| 45 | Regina Murdock | 44 | Wife | — | Austria |
| 46 | Margaret Murdock | 25 | Daughter | House-Maid | Pennsylvania |
| 47 | Vilma Murdock | 23 | Daughter | Maid | Pennsylvania |
| 48 | Regina Murdock | 21 | Daughter | — | Pennsylvania |
| 49 | Alice Murdock | 15 | Daughter | — | Pennsylvania |
| 50 | Mary Murdock | 12 | Daughter | — | Pennsylvania |
| 51 | Eugene Murdock | 11 | Son | — | Pennsylvania |
| 52 | Norma Murdock | 8 | Daughter | — | Pennsylvania |
| 53 | Henry Murdock | 7 | Son | — | Pennsylvania |
| 54 | Henry Ambrose | 51 | Lodger | Watch-Man | Pennsylvania |
| 55 | Anna Markowitz | 44 | Head | Clerk | Russia |
| 56 | Edward Phillips | 36 | Head | Baker | Pennsylvania |
| 57 | Mary Phillips | 34 | Wife | — | Pennsylvania |
| 58 | Andrew J. Phillips | 6 | Son | — | Pennsylvania |
| 59 | Mary C. Phillips | 1 | Daughter | — | Pennsylvania |
| 60 | Neville Moody | 47 | Head | Painter | Pennsylvania |
| 61 | Henrietta Moody | 40 | Wife | — | Pennsylvania |
| 62 | John Sr. Souter | 50 | Brother | Fireman (Stationary) | Pennsylvania |
| 63 | Joseph Dinet | 26 | Head | Repair- | Pennsylvania |
| 64 | Mary Dinet | 24 | Wife | — | Pennsylvania |
| 65 | Frank Trashersky | 33 | Head | Auto Mechanic | Pennsylvania |
| 66 | Pearl Trashersky | 31 | Wife | — | Pennsylvania |
| 67 | Arthur Trashersky | 9 | Son | — | Pennsylvania |
| 68 | Mary Lou Trashersky | 7 | Daughter | — | Pennsylvania |
| 69 | Ronald Trashersky | 5 | Son | — | Pennsylvania |
| 70 | Alfred Trashersky | 1 | Son | — | Pennsylvania |
| 71 | Mary G. Poche | 61 | Head | — | West Virginia |
| 72 | Margaret Poche | 53 | Sister | — | Pennsylvania |
| 73 | Anna G. Luchus | 50 | Sister | Cook | Pennsylvania |
| 74 | Agnes C. Luchus | 26 | Niece | Ass. Cook | Pennsylvania |
| 75 | Luella Luchus | 23 | Niece | Saleswoman | Ohio |
| 76 | Madeline Luchus | 21 | Niece | Saleswoman | Pennsylvania |
| 77 | Dorothy Luchus | 19 | Niece | Typist | Pennsylvania |
| 78 | Julius Sanders | 39 | Head | Chauffeur | Pennsylvania |
| 79 | Augusta Sanders | 35 | Wife | — | Pennsylvania |
| 80 | Jane Simpers | 72 | Mother | Housekeeper | 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)