MD
Mary Dunlap — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Missouri
Our Model Tree links this Mary Dunlap across the 1930 and 1940 US Censuses in Washington-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Missouri |
| Surname | Dunlap |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Bellevue |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Bellevue |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Daniel Dunlap | Son | — | 14 | ~1926 |
| Mary Dunlap | Daughter | — | 16 | ~1924 |
| Velma Dunlap | Daughter | — | 15 | ~1925 |
| Stella Dunlap | Daughter | — | 9 | ~1931 |
| Thomas Dunlap | Son | — | 12 | ~1928 |
| Ollie Dunlap | Spouse | — | 42 | ~1898 |
| Jeanie Dunlap | Daughter | — | 6 | ~1934 |
| Martha Dunlap | Other | — | 72 | ~1868 |
| Steve Dunlap | Head | — | 42 | ~1898 |
Census Appearances
1930
St Francois, …
Daughter, age 6
St Francois, Missouri · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Washington-County, Missouri
Daughter, age 16
Washington-County, Missouri · implied b. ~1924 — 9 household members
| Surname | Dunlap |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Bellevue |
| 1935 Residence (County) | Washington |
| Industry | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same house |
| 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 Dunlap across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dunlap
Daughter · 1940 · age 16 · b. ~1924 · Missouri
★ You are viewing this record
Sibling
Velma Dunlap
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stella Dunlap
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dunlap
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanie Dunlap
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Dunlap
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 — Washington-County, Missouri
Open full size
1940 US Federal Census — Washington-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02163-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vernon Forrester | 14 | Son | — | Missouri |
| 42 | Laurence Forrester | 12 | Son | — | Missouri |
| 43 | Velma Forrester | 10 | Daughter | — | Missouri |
| 44 | Ima Jean Forrester | 7 | Daughter | — | Missouri |
| 45 | Dorothy Forrester | 5 | Daughter | — | Missouri |
| 46 | Jasper Warley | 22 | Nephew | Laborer | Missouri |
| 47 | Emmit Smith | 19 | Step son | New Worker | Missouri |
| 48 | Louis Emling | 65 | Head | Farmer | Missouri |
| 49 | Margaret Emling | 44 | Wife | — | Missouri |
| 50 | John Emling | 22 | Son | Laborer | Missouri |
| 51 | Goldie Emling | 21 | Daughter in law | — | Missouri |
| 52 | Donald Emling | 1 | Grandson | — | Missouri |
| 53 | Sherman Burton | 14 | Lodger | — | Missouri |
| 54 | William Allen | 43 | Head | Farmer | Missouri |
| 55 | Eliza May Allen | 72 | Mother | — | Missouri |
| 56 | Chester Lashley | 43 | Head | Farmer | Missouri |
| 57 | Rosa Lashley | 43 | Wife | — | Missouri |
| 58 | Isaac Lashley | 79 | Father | — | Indiana |
| 59 | Steve Dunlap | 42 | Head | Farmer | Missouri |
| 60 | Ollie Dunlap | 42 | Wife | — | Missouri |
| 61 | Mary Lee Dunlap THIS PERSON | 16 | Daughter | — | Missouri |
| 62 | Velma Dunlap | 15 | Daughter | — | Missouri |
| 63 | Daniel Dunlap | 14 | Son | — | Missouri |
| 64 | Thomas Dunlap | 12 | Son | — | Missouri |
| 65 | Stella Jane Dunlap | 9 | Daughter | — | Missouri |
| 66 | Jeanie Bell Dunlap | 6 | Daughter | — | Missouri |
| 67 | Martha Dunlap | 72 | Mother | — | Missouri |
| 68 | Curtis | 20 | Nephew | Miner | Missouri |
| 69 | John Evers | 63 | Head | Farmer | Indiana |
| 70 | Carrie Evers | 54 | Wife | — | Indiana |
| 71 | Andrew P. French | 60 | Head | Farmer | Tennessee |
| 72 | Clarence Dooley | 44 | Head | Farmer | Illinois |
| 73 | Mattie Dooley | 68 | Mother | — | Illinois |
| 74 | Paul Dooley | 35 | Head | Farmer | Illinois |
| 75 | Marie Dooley | 19 | Wife | — | Iowa |
| 76 | George Grost | 59 | Father in law | Carpenter | Missouri |
| 77 | Dasie Grost | 54 | Mother in law | — | Iowa |
| 78 | Nora La Motte | 43 | Head | — | Illinois |
| 79 | Mildred La Motte | 16 | Daughter | — | Missouri |
| 80 | John Cumrin | 57 | Head | Farmer | Illinois |
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)