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John Murdock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Indiana
Our Model Tree links this John Murdock across the 1930 and 1940 US Censuses in Madison-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Indiana |
| Surname | Murdock |
| Given Name | John W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Anderson city |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Odd jobs |
| Industry | Athletic Field |
| Class of Worker | PW |
| Hours Worked | 20 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Odd Jobs |
| Township / Ward | Anderson City |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| John Murdock | Son | — | 20 | ~1920 |
| James Murdock | Son | — | 12 | ~1928 |
| Mary Murdock | Daughter | — | 18 | ~1922 |
| Ralph Murdock | Son | — | 13 | ~1927 |
| Lillie Murdock | Head | — | 49 | ~1891 |
| Orie Murdock | Son | — | 17 | ~1923 |
| Ina Murdock | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Madison, Indiana
Son, age 10
Madison, Indiana · implied b. ~1920 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murdock |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Madison-County, Indiana
Son, age 20
Madison-County, Indiana · implied b. ~1920 — 7 household members
| Surname | Murdock |
| Given Name | John W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Anderson city |
| 1935 Residence (County) | Madison |
| Occupation | Odd jobs |
| Industry | Athletic Field |
| Class of Worker | PW |
| Hours Worked | 20 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 20 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
Ralph Murdock
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Murdock
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ina Murdock
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orie Murdock
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Murdock
Sibling · 1940 · age 12
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 — Madison-County, Indiana
Open full size
1940 US Federal Census — Madison-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01072-00343)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Kirchenbauer | 47 | head | Laborer | Indiana |
| 2 | Junie Kirchenbauer | 47 | wife | — | Indiana |
| 3 | Sarah H Kirchenbauer | 17 | daughter | — | Indiana |
| 4 | Jack Kirchenbauer | 15 | son | — | Indiana |
| 5 | Frank W. Bruce | 26 | head | Section Labor | Indiana |
| 6 | Mildred Bruce | 25 | wife | — | Indiana |
| 7 | Everett Clark | 40 | head | Real Estate Salesman | Indiana |
| 8 | Verlie B. Clark | 35 | wife | — | Tennessee |
| 9 | Charles T Clark | 14 | son | — | Indiana |
| 10 | Neil E. Clark | 10 | son | — | Indiana |
| 11 | Betty Jane Clark | 5 | daughter | — | Indiana |
| 12 | Harvey E. Hunter | 71 | head | Farm Laborer | Indiana |
| 13 | Alpha M. Hunter | 36 | daughter | Machine Feeder | Indiana |
| 14 | James M. Bevill | 29 | head | Mechanic | Tennessee |
| 15 | Ruth L Bevill | 23 | wife | — | Washington D.C. |
| 16 | Norma L Bevill | 4 | daughter | — | Indiana |
| 17 | Sandra K Bevill | 1 | daughter | — | Indiana |
| 18 | Orie G. Prichard | 48 | head | Yard Man | Illinois |
| 19 | Edna Prichard | 53 | wife | Laundress | Illinois |
| 20 | Madge Prichard | 19 | daughter | Sales Lady | Illinois |
| 21 | Vernon Byrne | 27 | head | Truck Driver | Illinois |
| 22 | Laura M. Byrne | 27 | wife | — | Illinois |
| 23 | V. Floy Byrne | 8 | daughter | — | Illinois |
| 24 | Merrill V. Byrne | 6 | son | — | Illinois |
| 25 | Anna M. Byrne | 4 | daughter | — | Illinois |
| 26 | Lillie C. Murdock | 49 | head | — | Indiana |
| 27 | John W Murdock THIS PERSON | 20 | son | Odd Jobs | Indiana |
| 28 | Mary E Murdock | 18 | daughter | Assembly Line Worker | Indiana |
| 29 | Orie J. Murdock | 17 | son | Clerk & Delivery | Indiana |
| 30 | Ina M. Murdock | 15 | daughter | — | Indiana |
| 31 | Ralph J. Murdock | 13 | son | — | Indiana |
| 32 | James V. Murdock | 12 | son | — | Indiana |
| 33 | Edward Dalworth | 30 | head | Carpenter | Tennessee |
| 34 | Bessie A Dalworth | 24 | wife | Assembly Line Worker | Indiana |
| 35 | Ethel | 48 | mother | Housework | Tennessee |
| 36 | Kenneth Maupin | 38 | head | Laborer | Indiana |
| 37 | Margaret Maupin | 29 | wife | — | Indiana |
| 38 | Ruth M. Maupin | 7 | daughter | — | Indiana |
| 39 | Frances L Maupin | 6 | son | — | Indiana |
| 40 | Gilbert H Maupin | 4 | son | — | Indiana |
Related Census Records
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)