MP
Mary Post — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boyd-County, Nebraska
Our Model Tree links this Mary Post across the 1930 and 1940 US Censuses in Boyd-County, Nebraska (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boyd-County, Nebraska |
| Surname | Post |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Monowi Village |
| 1935 Residence (County) | Boyd |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Monowi Village |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Frank Post | Head | — | 49 | ~1891 |
| Mildred Post | Daughter | — | 18 | ~1922 |
| La Post | Daughter | — | 20 | ~1920 |
| Edith Post | Spouse | — | 51 | ~1889 |
| Kenneth Post | Son | — | 11 | ~1929 |
| Gordon Post | Son | — | 8 | ~1932 |
| Mary Post | Daughter | — | 12 | ~1928 |
| Dolores Post | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Boyd, Nebraska
Daughter, age 2
Boyd, Nebraska · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | Iowa |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Boyd-County, Nebraska
Daughter, age 12
Boyd-County, Nebraska · implied b. ~1928 — 8 household members
| Surname | Post |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Monowi Village |
| 1935 Residence (County) | Boyd |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Post across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Post
Daughter · 1940 · age 12 · b. ~1928 · Nebraska
★ You are viewing this record
Sibling
Dolores Post
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
La Post
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Post
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Post
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Post
Sibling · 1940 · age 18
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 — Boyd-County, Nebraska
Open full size
1940 US Federal Census — Boyd-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02237-00367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rollin Hiatt | 25 | Head | Farm Hand | Nebraska |
| 2 | Loraine Hiatt | 21 | Wife | — | Nebraska |
| 3 | William Matuzek | 45 | Roomer | Farm Hand | Nebraska |
| 4 | Harry M. Herman | 53 | Head | Store Keeper | Nebraska |
| 5 | Maidie Herman | 51 | Wife | — | Nebraska |
| 6 | Helen Herman | 26 | Daughter | Home Supervisor | Nebraska |
| 7 | Robert Herman | 18 | Son | Forestry Work | Nebraska |
| 8 | Dorothy Herman | 17 | Daughter | — | Nebraska |
| 9 | William H. Mcnulty | 57 | Head | Road Work | Nebraska |
| 10 | Ella Mcnulty | 46 | Wife | — | South Dakota |
| 11 | Helen Mcnulty | 26 | Daughter | — | Nebraska |
| 12 | Frank O. Lewis | 46 | Head | Road Work | Nebraska |
| 13 | Vesta Lewis | 31 | Wife | — | Iowa |
| 14 | Emile Lewis | 13 | Daughter | — | Nebraska |
| 15 | Ruth Lewis | 10 | Daughter | — | Nebraska |
| 16 | Anna Lewis | 8 | Daughter | — | Nebraska |
| 17 | John, Sr. Chvala | 83 | Head | — | Czechoslovakia |
| 18 | Ann Chvala | 78 | Wife | — | Nebraska |
| 19 | Pete Chvala | 33 | Son | Railroad Hand | Nebraska |
| 20 | Mary Chvala | 25 | Daughter-in-law | — | Nebraska |
| 21 | Mary Chvala | 3 | Granddaughter | — | Nebraska |
| 22 | James Chvala | 1 | Grandson | — | Nebraska |
| 23 | Joe Pum | 68 | Head | — | Czechoslovakia |
| 24 | Frank Grieser | 46 | Head | Section Foreman | Nebraska |
| 25 | Minnie Grieser | 45 | Wife | — | Kansas |
| 26 | Delmer Grieser | 17 | Son | — | Nebraska |
| 27 | Leola Grieser | 13 | Daughter | — | Nebraska |
| 28 | Marlyn Grieser | 7 | Son | — | Nebraska |
| 29 | Frank T. Post | 49 | Head | Post Master | South Dakota |
| 30 | Edith Post | 51 | Wife | — | Iowa |
| 31 | La Don Post | 20 | Daughter | School Teacher | Nebraska |
| 32 | Mildred Post | 18 | Daughter | Assistant Postmaster | Nebraska |
| 33 | Dolores Post | 14 | Daughter | — | Nebraska |
| 34 | Mary Lou Post THIS PERSON | 12 | Daughter | — | Nebraska |
| 35 | Kenneth Post | 11 | Son | — | Nebraska |
| 36 | Gordon Post | 8 | Son | — | Nebraska |
| 37 | Robert A. Wisher | 42 | Head | Road Project | Nebraska |
| 38 | Anna Wisher | 41 | Wife | — | Russia |
| 39 | Martin Wisher | 20 | Son | Farm Hand | Nebraska |
| 40 | Leslie Wisher | 15 | Son | Forestry Work | Nebraska |
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)