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John Murdock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Van-Zandt-County, Texas
Our Model Tree links this John Murdock across the 1930 and 1940 US Censuses in Van-Zandt-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Van-Zandt-County, Texas |
| Surname | Murdock |
| Given Name | John P. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Justice Precinct 4 |
| 1935 Residence (County) | Van Zandt |
| Additional Details | |
| Occupation | none |
| Class of Worker | 360 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Justice Precinct 4 |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Richard Murdock | Head | — | 42 | ~1898 |
| John Murdock | Son | — | 21 | ~1919 |
| Ione Murdock | Spouse | — | 38 | ~1902 |
| Burnett Murdock | Son | — | 13 | ~1927 |
| Jonell Murdock | Daughter | — | 10 | ~1930 |
| Jeff Murdock | Son | — | 19 | ~1921 |
| Richard Murdock | Son | — | 4 | ~1936 |
Census Appearances
1930
Henderson, Texas
Son, age 11
Henderson, Texas · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murdock |
| Given Name | John P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Van-Zandt-County, Texas
Son, age 21
Van-Zandt-County, Texas · implied b. ~1919 — 7 household members
| Surname | Murdock |
| Given Name | John P. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Justice Precinct 4 |
| 1935 Residence (County) | Van Zandt |
| Occupation | none |
| Class of Worker | 360 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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.
Show:
This person
Anchor record
John Murdock
Son · 1940 · age 21 · b. ~1919 · Texas
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Sibling
Jonell Murdock
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Murdock
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Burnett Murdock
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeff 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 — Van-Zandt-County, Texas
Open full size
1940 US Federal Census — Van-Zandt-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04155-00502)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jacquelen Smith | 9 | daughter | — | Texas |
| 42 | Guadean Smith | 7 | daughter | — | Texas |
| 43 | Edwana Smith | 4 | daughter | — | Texas |
| 44 | James B. Rogers | 49 | head | Foreman | Texas |
| 45 | Ruthiela Rogers | 41 | wife | None | Texas |
| 46 | George A. Rogers | 24 | son | Mechanic | Texas |
| 47 | James M. Rogers | 22 | son | Mechanic | Texas |
| 48 | Leta R. Rogers | 18 | daughter | — | Texas |
| 49 | Annie R. Rogers | 16 | daughter | — | Texas |
| 50 | Eunice Rogers | 14 | daughter | — | Texas |
| 51 | Edgar Rogers | 12 | son | — | Texas |
| 52 | Marshall Rogers | 9 | daughter | — | Texas |
| 53 | Elsie Rogers | 6 | daughter | — | Texas |
| 54 | George Jackson | 22 | lodger | — | Texas |
| 55 | Frank B. Burran | 29 | head | Farm Laborer | Texas |
| 56 | Thelma Burran | 28 | wife | None | Texas |
| 57 | John S. Mccollum | 30 | head | Helper | Texas |
| 58 | Minella Mccollum | 23 | wife | None | Texas |
| 59 | Jerry O. Mccollum | 1 | son | — | Texas |
| 60 | Oscar Rodgers | 52 | head | Laborer | Texas |
| 61 | Sudie Rodgers | 49 | wife | None | Texas |
| 62 | Nedra H. Rodgers | 14 | daughter | — | Texas |
| 63 | Virginia Rodgers | 12 | daughter | — | Texas |
| 64 | George W. Sackett | 60 | head | Laborer | Alabama |
| 65 | Lucy Sackett | 48 | wife | None | Texas |
| 66 | James E. Sackett | 12 | son | — | Texas |
| 67 | Josephine Lafrance | 67 | mother | None | Texas |
| 68 | Jim Guinn | 62 | head | Watchman | Texas |
| 69 | Annie Guinn | 80 | wife | None | Texas |
| 70 | Charlie Lindsay | 48 | head | Proprietor | Texas |
| 71 | Mae Lindsay | 46 | wife | None | Texas |
| 72 | Adene Lindsay | 23 | daughter | Packer | Texas |
| 73 | Sewell Lindsay | 19 | son | None | Texas |
| 74 | Richard Murdock | 42 | head | Laborer | Texas |
| 75 | Ione Murdock | 38 | wife | None | Texas |
| 76 | John P. Murdock THIS PERSON | 21 | son | None | Texas |
| 77 | Jeff J. Murdock | 19 | son | Laborer | Texas |
| 78 | Burnett Murdock | 13 | son | — | Texas |
| 79 | Jonell Murdock | 10 | daughter | — | Texas |
| 80 | Richard Murdock | 4 | son | — | Texas |
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)