MB
Mary Boyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Mary Boyer across the 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 6-person household.
Age 36
b. ~1904
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #9 |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 9 |
| Est. Birth Year | ~1904 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Grover Boyer | Son | — | 1 | ~1939 |
| David Boyer | Son | — | 15 | ~1925 |
| Mary Boyer | Daughter | — | 4 | ~1936 |
| Allen Boyer | Head | — | 43 | ~1897 |
| Dolly Boyer | Daughter | — | 13 | ~1927 |
| Mary Boyer | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Washington, Maryland
Spouse, age 26
Washington, Maryland · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyer |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Spouse, age 36
Washington-County, Maryland · implied b. ~1904 — 6 household members
| Surname | Boyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #9 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Boyer
Spouse · 1940 · age 36 · b. ~1904 · Maryland
★ 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, Maryland
Open full size
1940 US Federal Census — Washington-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01562-00256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Constance Ziegler | 18 | Wife | — | Maryland |
| 42 | Donald Ziegler | 1 | Son | — | Maryland |
| 43 | Charles W. Reynolds | 71 | Head | — | Maryland |
| 44 | Ida Reynolds | 69 | Wife | — | Maryland |
| 45 | V. Charles Myers | 44 | Head | Laborer | Maryland |
| 46 | Julia Myers | 43 | Wife | — | Maryland |
| 47 | Walter Myers | 16 | Son | — | Maryland |
| 48 | Charles Jr. Myers | 20 | Son | Laborer | Maryland |
| 49 | Cathleen Myers | 20 | Daughter in law | — | Penna |
| 50 | Donald Myers | 1 | Grandson | — | Maryland |
| 51 | C. Charles Anderson | 35 | Head | Laborer | Maryland |
| 52 | Mary Anderson | 33 | Wife | Machinist | Maryland |
| 53 | D. Blair Worman | 73 | Head | Minister | Ohio |
| 54 | Olive Worman | 67 | Wife | — | Indiana |
| 55 | Harold Dusenberry | 15 | Head | — | Maryland |
| 56 | Eugene Dusenberry | 13 | Grandson | — | Maryland |
| 57 | Victor Martin | 44 | Head | Pipe Fitter | Maryland |
| 58 | Eleanor Martin | 36 | Wife | Saleswoman | New Jersey |
| 59 | Dorothy Martin | 15 | Daughter | — | New Jersey |
| 60 | Joseph Martin | 71 | Father | — | Maryland |
| 61 | Sheridan Hallingalante | 36 | Head | Welder | Maryland |
| 62 | Mary Hallingalante | 39 | Wife | Machinist | Maryland |
| 63 | R. Walter Hallingalante | 16 | Son | — | Maryland |
| 64 | Donald Hallingalante | 8 | Son | — | Maryland |
| 65 | B. Walter Newcomer | 78 | Head | Sexton | Maryland |
| 66 | Alice Newcomer | 78 | Wife | — | Maryland |
| 67 | Clair S. Thompson | 38 | Head | Clerk | Penna |
| 68 | Mary Thompson | 36 | Wife | — | Penna |
| 69 | Richard Thompson | 15 | Son | — | Maryland |
| 70 | Ruth Thompson | 7 | Daughter | — | Maryland |
| 71 | Shirley Thompson | 4 | Daughter | — | Maryland |
| 72 | J. John Fohmon | 67 | Father in law | Helper | Maryland |
| 73 | Allen Boyer | 43 | Head | Machinist | Maryland |
| 74 | Mary Boyer THIS PERSON | 36 | Wife | — | Maryland |
| 75 | David Boyer | 15 | Son | — | Maryland |
| 76 | Dolly Boyer | 13 | Daughter | — | Maryland |
| 77 | Mary Boyer | 4 | Daughter | — | Maryland |
| 78 | Grover Boyer | 1 | Son | — | Maryland |
| 79 | Charles Unklesbee | 53 | Head | Janitor | Maryland |
| 80 | James E. Boyer | 67 | Head | Laborer | Maryland |
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)