MJ
Mary John — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hickory-County, Missouri
Our Model Tree links this Mary John across the 1930 and 1940 US Censuses in Hickory-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hickory-County, Missouri |
| Surname | John |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Weaubleau |
| 1935 Residence (County) | Hickory |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Weaubleau |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary John | Daughter | — | 11 | ~1929 |
| Edgar John | Son | — | 14 | ~1926 |
| Byron John | Son | — | 17 | ~1923 |
| Marion John | Head | — | 61 | ~1879 |
| Agnes John | Daughter | — | 22 | ~1918 |
| Eva John | Spouse | — | 57 | ~1883 |
| Lloyd John | Son | — | 13 | ~1927 |
| Lorenzo John | Son | — | 19 | ~1921 |
Census Appearances
1930
Hickory, Missouri
Daughter, age 1
Hickory, Missouri · implied b. ~1929 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | John |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Hickory-County, Missouri
Daughter, age 11
Hickory-County, Missouri · implied b. ~1929 — 8 household members
| Surname | John |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Weaubleau |
| 1935 Residence (County) | Hickory |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| 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 John across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary John
Daughter · 1940 · age 11 · b. ~1929 · Missouri
★ You are viewing this record
Sibling
Lorenzo John
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd John
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes John
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Byron John
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar John
Sibling · 1940 · age 14
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 — Hickory-County, Missouri
Open full size
1940 US Federal Census — Hickory-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02111-00787)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ann Berry | 15 | Daughter | — | Missouri |
| 2 | T. Hall | 14 | Son | — | Missouri |
| 3 | Edd Starkey | 63 | Head | Janitor | Missouri |
| 4 | Horace Black | 34 | Head | Barber | Missouri |
| 5 | Geneva L. Black | 34 | Wife | — | Missouri |
| 6 | Charles H. Black | 2 | Son | — | Missouri |
| 7 | Margaret E. Hawkins | 75 | Head | — | Missouri |
| 8 | Janie Buckalew | 88 | Boarder | — | New Jersey |
| 9 | George W. Hatch | 73 | Head | — | Missouri |
| 10 | Mary E. Hatch | 70 | Wife | — | Indiana |
| 11 | Ezekiel K. Hatch | 70 | Brother | — | Oklahoma |
| 12 | Pearl Hatch | 36 | Daughter | House Work | Missouri |
| 13 | Warren O. Miller | 31 | Head | Janitor | Missouri |
| 14 | Pauline H. Miller | 26 | Wife | — | Missouri |
| 15 | Richard L. Miller | 5 | Son | — | Missouri |
| 16 | Mattie E. Servicegood | 73 | Head | — | Missouri |
| 17 | Marion A. John | 61 | Head | Carpenter | Missouri |
| 18 | Eva M. John | 57 | Wife | — | Missouri |
| 19 | Agnes M. John | 22 | Daughter | Trained Nurse | Missouri |
| 20 | Lorenzo D. John | 19 | Son | Laborer | Missouri |
| 21 | Byron D. John | 17 | Son | — | Missouri |
| 22 | Edgar L. John | 14 | Son | — | Missouri |
| 23 | Lloyd B. John | 13 | Son | — | Missouri |
| 24 | Mary L. John THIS PERSON | 11 | Daughter | — | Missouri |
| 25 | Harley E. Short | 37 | Head | Foreman | Missouri |
| 26 | Gladys E. Short | 33 | Wife | — | Missouri |
| 27 | Harold Lee Short | 5 | Son | — | Missouri |
| 28 | Hardie Donnell | 61 | Head | Laborer | Missouri |
| 29 | Faye Donnell | 25 | Wife | — | Missouri |
| 30 | Homer D. Steinhardt | 33 | Head | Clerk | Missouri |
| 31 | Virginia M. Steinhardt | 30 | Wife | House Work | Kansas |
| 32 | James A. Steinhardt | 5 | Son | — | Montana |
| 33 | Fay N. Parker | 31 | Head | Bus Driver | Missouri |
| 34 | Alberta L. Parker | 25 | Wife | — | Missouri |
| 35 | Nelson L. Parker | 8 | Son | — | Missouri |
| 36 | Oscar R. Magnuson | 53 | Head | — | Illinois |
| 37 | Jessie E. Magnuson | 46 | Wife | Sales Lady | Missouri |
| 38 | Oliver B. Whitaker | 70 | Head | — | Missouri |
| 39 | Netta R. Whitaker | 69 | Wife | — | Missouri |
| 40 | J. Bart Owens | 61 | Head | Operator | Missouri |
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)