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Mary Boyer — 1940 US Census Record
Model Tree available1940 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), with identified parents Abner & Lula — first a spouse (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Missouri |
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Breton Township |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Boyer | Spouse | — | 21 | ~1919 |
| Doris Boyer | Daughter | — | 1 | ~1939 |
| Ralph Boyer | Head | — | 26 | ~1914 |
Census Appearances
1920
Washington, Missouri
Daughter, age
Washington, Missouri · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Washington, Missouri
Daughter, age 11
Washington, Missouri · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Washington-County, Missouri
Spouse, age 21
Washington-County, Missouri · implied b. ~1919 — 3 household members
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 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 Boyer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Abner Boyer (~0.92 confidence) and mother Lula Boyer (~0.92 confidence) and father Edward Boyer (~0.92 confidence) and mother Nellie Boyer (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abner Boyer
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Lula Boyer
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Edward Boyer
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Nellie Boyer
b. ~1904
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Boyer
Spouse · 1940 · age 21 · b. ~1919 · Missouri
★ You are viewing this record
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-t0627-02163-00156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John O. Hochstatter | 66 | Head | Farmer | Missouri |
| 42 | John Hochstatter | 41 | Son | Farm Hand | Missouri |
| 43 | Marvin Hochstatter | 18 | Son | Farm Hand | Missouri |
| 44 | John D. Mizner | 53 | Head | Farmer | Nebraska |
| 45 | Lena Mizner | 54 | Wife | — | Nebraska |
| 46 | Marna Mizner | 15 | Daughter | — | Nebraska |
| 47 | Michael Fitton | 36 | Head | Foreman | Missouri |
| 48 | Pearl D. Fitton | 34 | Wife | — | Missouri |
| 49 | Norma Fitton | 13 | Daughter | — | Missouri |
| 50 | Donald Fitton | 7 | Son | — | Missouri |
| 51 | Harry Switzer | 32 | Head | Technical Foreman | Minnesota |
| 52 | Hazel D. Switzer | 33 | Wife | — | Michigan |
| 53 | Harry Switzer | 3 | Son | 0 | Missouri |
| 54 | Ralph D. Boyer | 26 | Head | Draft Operator | Missouri |
| 55 | Mary Boyer THIS PERSON | 21 | Wife | — | Missouri |
| 56 | Doris Boyer | 1 | Daughter | 0 | Missouri |
| 57 | Raymond Pettigrew | 53 | Head | Clerk | Missouri |
| 58 | Margaret D. Pettigrew | 47 | Wife | — | Missouri |
| 59 | Helen Pettigrew | 16 | Daughter | — | Missouri |
| 60 | Stanley Pettigrew | 10 | Son | — | Missouri |
| 61 | Darlene Pettigrew | 7 | Daughter | — | Missouri |
| 62 | Charles Lee | 64 | Head | Laborer | Missouri |
| 63 | Howard Lee | 22 | Son | Laborer | Missouri |
| 64 | Dave Morgan | 32 | Head | Truck Driver | Missouri |
| 65 | Gracie D. Morgan | 23 | Wife | — | Missouri |
| 66 | Raymond Morgan | 4 | Son | 0 | Missouri |
| 67 | Roy Morgan | 2 | Son | 0 | Missouri |
| 68 | Nellie D. Heeter | 57 | Head | Cook | Missouri |
| 69 | Mildred Heeter | 18 | Daughter | Cook | Missouri |
| 70 | Paul Heeter | 16 | Son | Laborer | Missouri |
| 71 | Alfred D. Bone | 43 | Head | Laborer | Missouri |
| 72 | Elna Bone | 39 | Wife | — | Missouri |
| 73 | Leon Bone | 16 | Son | Laborer | Missouri |
| 74 | Leonard Bone | 13 | Son | — | Missouri |
| 75 | Carl Bone | 10 | Son | — | Missouri |
| 76 | Kathryn Bone | 2 | Daughter | 0 | Missouri |
| 77 | Arthur D. Riehl | 57 | Head | Farmer | Missouri |
| 78 | Carrie Riehl | 53 | Wife | — | Missouri |
| 79 | Harry Riehl | 25 | Son | Farm Hand | Missouri |
| 80 | Margaret Riehl | 20 | Daughter | — | Missouri |
Pedigree Summary
Mary
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)