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Mary Murdock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cooper-County, Missouri
Our Model Tree links this Mary Murdock across the 1930 and 1940 US Censuses in Cooper-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cooper-County, Missouri |
| Surname | Murdock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | New Franklin |
| 1935 Residence (County) | Howard |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. Rock Quarry |
| Class of Worker | GW |
| Hours Worked | 64 |
| Income (1939) | 480 |
| Highest Grade | H 4 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Boonville City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| J Murdock | Head | — | 60 | ~1880 |
| Mary Murdock | Daughter | — | 23 | ~1917 |
| Charles Murdock | Other | — | 1 | ~1939 |
| Mary Murdock | Daughter | — | 26 | ~1914 |
| Leonora Murdock | Daughter | — | 25 | ~1915 |
| J Murdock | Son | — | 3 | ~1937 |
| Mary Murdock | Spouse | — | 56 | ~1884 |
Census Appearances
1930
Cooper, Missouri
Daughter, age 13
Cooper, Missouri · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murdock |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Cooper-County, Missouri
Daughter, age 23
Cooper-County, Missouri · implied b. ~1917 — 7 household members
| Surname | Murdock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | New Franklin |
| 1935 Residence (County) | Howard |
| Occupation | Laborer |
| Industry | W.P.A. Rock Quarry |
| Class of Worker | GW |
| Hours Worked | 64 |
| Income (1939) | 480 |
| Highest Grade | H 4 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 23 · b. ~1917 · Missouri
★ You are viewing this record
Sibling
J Murdock
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Murdock
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonora Murdock
Sibling · 1940 · age 25
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 — Cooper-County, Missouri
Open full size
1940 US Federal Census — Cooper-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02100-00143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | L. B. Deihl | 61 | Head | Section Foreman | Missouri |
| 42 | Mary Deihl | 58 | Wife | — | Missouri |
| 43 | Loretta Deihl | 31 | Daughter | — | Missouri |
| 44 | Earl Deihl | 28 | Son | Clerk (Shoe) | Missouri |
| 45 | Claud Deihl | 24 | Son | Clerk (Grocery) | Missouri |
| 46 | Wilbur Deihl | 22 | Son | Clerk (Drug Store) | Missouri |
| 47 | Raymond Deihl | 17 | Son | — | Missouri |
| 48 | J. C. Murdock | 60 | Head | Painter & Paper Hanger | Missouri |
| 49 | Mary Ellen Murdock | 56 | Wife | — | Missouri |
| 50 | Mary Margaret Murdock | 26 | Daughter | Waitressing | Missouri |
| 51 | Leonora Murdock | 25 | Daughter | Laborer | Missouri |
| 52 | Mary Murdock THIS PERSON | 23 | Daughter | Laborer | Missouri |
| 53 | J. C. Murdock | 3 | Son | — | Missouri |
| 54 | Charles Lee Murdock | 1 | Grand-son | — | Missouri |
| 55 | H. W. Meyer | 61 | Head | Insurance Agent | Missouri |
| 56 | Elsie Meyer | 47 | Wife | — | Missouri |
| 57 | Earl Meyer | 17 | Son | — | Missouri |
| 58 | Nadine Meyer | 11 | Daughter | — | Missouri |
| 59 | Aliene Meyer | 10 | Daughter | — | Missouri |
| 60 | John Malone | 81 | Uncle | Real Estate Owner | Missouri |
| 61 | Lester Comstock | 22 | Head | Transmission Man | Iowa |
| 62 | Thelma Comstock | 19 | Wife | — | Iowa |
| 63 | Thomas Comstock | 2 | Son | — | Missouri |
| 64 | Miller Kent | 31 | Head | Transmission Man | Missouri |
| 65 | Emma Kent | 25 | Wife | — | Missouri |
| 66 | Charles Kent | 6 | Son | — | Missouri |
| 67 | Joe Mrs. Miller | 70 | Head | Salesman | Missouri |
| 68 | Joe Miller | 33 | Son | Salesman | Missouri |
| 69 | Mary Miller | 50 | Daughter | Bookkeeper | Missouri |
| 70 | T. G. White | 62 | Head | Parts Man | Missouri |
| 71 | Alice White | 60 | Wife | — | Missouri |
| 72 | Pauline White | 23 | Daughter | Salesman | Missouri |
| 73 | Ollie Windleton | 49 | Head | — | Missouri |
| 74 | J. M. Swartz | 50 | Head | Janitor | Missouri |
| 75 | Martha Swartz | 44 | Wife | — | Missouri |
| 76 | Marvin Jr. Swartz | 15 | Son | — | Kansas |
| 77 | Eugene Friedrich | 32 | Head | Owner Of Grocery Store | Missouri |
| 78 | Elizabeth Friedrich | 30 | Wife | Bookkeeper | Missouri |
| 79 | Sam Loganbill | 43 | Head | Owner Of Sharpening Shop | Missouri |
| 80 | Verna Loganbill | 32 | Wife | Nursing | Kansas |
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)