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Mary Boyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Missouri
Our Model Tree links this Mary Boyer across the 1920, 1930 and 1940 US Censuses in Washington-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 2-person household.
Age 75
b. ~1865
Female
Head
Born: Missouri
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Missouri |
| Surname | Boyer |
| Given Name | Mary S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | Johnston |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Johnston |
| Est. Birth Year | ~1865 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Boyer | Head | — | 75 | ~1865 |
| Thomas Boyer | Son | — | 36 | ~1904 |
Census Appearances
1920
Washington, Missouri
Spouse, age 56
Washington, Missouri · implied b. ~1864 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Washington, Missouri
Spouse, age 68
Washington, Missouri · implied b. ~1862 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 14 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Washington-County, Missouri
Head, age 75
Washington-County, Missouri · implied b. ~1865 — 2 household members
| Surname | Boyer |
| Given Name | Mary S. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | Johnston |
| 1935 Residence (County) | Washington |
| Industry | 0 |
| Highest Grade | No |
| 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 Boyer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Boyer
Head · 1940 · age 75 · b. ~1865 · Missouri
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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-t0627-02163-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Allen | 17 | Daughter | — | Nebraska |
| 42 | Marian Allen | 15 | Daughter | — | Nebraska |
| 43 | Robert Allen | 13 | Son | — | Nebraska |
| 44 | Charles Allen | 11 | Son | — | Wyoming |
| 45 | Carol Allen | 8 | Daughter | — | Missouri |
| 46 | James Whiteside | 73 | Lodger | — | Illinois |
| 47 | Henry A. Lohman | 71 | Head | Farmer | Missouri |
| 48 | Maggie Lohman | 61 | Wife | — | Missouri |
| 49 | Jacob Lohman | 20 | Son | Off Bearer | Missouri |
| 50 | Chester Lohmann | 25 | Head | Farmer | Missouri |
| 51 | Dollie Lohmann | 25 | Wife | — | Missouri |
| 52 | Daniel Lohmann | 5 | Son | — | Missouri |
| 53 | David Lohmann | 3 | Son | — | Missouri |
| 54 | Chester Lohmann | 1 | Son | — | Missouri |
| 55 | Bob Eads | 36 | Head | Laborer | Missouri |
| 56 | Nell Eads | 32 | Wife | — | Missouri |
| 57 | Mary S. Boyer THIS PERSON | 75 | Head | — | Missouri |
| 58 | Thomas Boyer | 36 | Son | — | Missouri |
| 59 | George S. Hoff | 60 | Head | Farmer | Missouri |
| 60 | Carrie Hoff | 57 | Wife | — | Missouri |
| 61 | Arthur Hoff | 31 | Son | Laborer | Missouri |
| 62 | Walter Griffith | 30 | Head | Laborer | Missouri |
| 63 | Lizzie Griffith | 28 | Wife | — | Missouri |
| 64 | Carl Griffith | 4 | Son | — | Missouri |
| 65 | Jerry Griffith | 2 | Son | — | Missouri |
| 66 | Curtis Griffith | 0 | Son | — | Missouri |
| 67 | Andrew Harmon | 57 | Head | Farmer | Missouri |
| 68 | Sara Harmon | 55 | Wife | — | Missouri |
| 69 | Jesse Harmon | 34 | Son | Laborer | Missouri |
| 70 | Troy Harmon | 23 | Son | Laborer | Missouri |
| 71 | Cecil Harmon | 19 | Daughter | Teacher | Missouri |
| 72 | Branford Harmon | 17 | Son | — | Missouri |
| 73 | Ross Harmon | 14 | Son | — | Missouri |
| 74 | Frances Harmon | 12 | Daughter | — | Missouri |
| 75 | Charley Miller | 68 | Head | — | Missouri |
| 76 | Emma Miller | 74 | Wife | — | Missouri |
| 77 | Thelma Humphrey | 32 | Head | — | Missouri |
| 78 | Walter Miller | 32 | Head | Laborer | Missouri |
| 79 | Iva Miller | 39 | Wife | — | Tennessee |
| 80 | Virgil Miller | 12 | Son | — | 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)