MW
Mary Washington — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dorchester-County, Maryland
Our Model Tree links this Mary Washington across the 1920, 1930 and 1940 US Censuses in Dorchester-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 3-person household.
Age 43
b. ~1897
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dorchester-County, Maryland |
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 2 |
| 1935 Residence (County) | Caroline |
| Additional Details | |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 2 |
| Est. Birth Year | ~1897 |
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 |
|---|---|---|---|---|
| Thomas Washington | Head | — | 44 | ~1896 |
| Emerson Washington | Son | — | 23 | ~1917 |
| Mary Washington | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Dorchester, Maryland
Spouse, age 24
Dorchester, Maryland · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Dorchester, Maryland
Spouse, age 36
Dorchester, Maryland · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 15 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Foreman |
| Industry | Lumber mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Dorchester-County, Maryland
Spouse, age 43
Dorchester-County, Maryland · implied b. ~1897 — 3 household members
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 2 |
| 1935 Residence (County) | Caroline |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| 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 Washington across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Washington
Spouse · 1940 · age 43 · b. ~1897 · Maryland
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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 — Dorchester-County, Maryland
Open full size
1940 US Federal Census — Dorchester-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01547-00030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph L Kester | 16 | Ward | Machine Operator | Maryland |
| 42 | Edward Rothamel | 35 | Head | Machine Operator | New Jersey |
| 43 | Leona Rothamel | 37 | Wife | — | New Jersey |
| 44 | Dorothy Rothamel | 17 | Daughter | — | New Jersey |
| 45 | Lillian Rothamel | 15 | Daughter | — | New Jersey |
| 46 | Edward Rothamel | 12 | Son | — | New Jersey |
| 47 | Leon Rothamel | 10 | Son | — | New Jersey |
| 48 | Albie Moore | 59 | Head | Farm Laborer | Maryland |
| 49 | Martha P Moore | 54 | Wife | — | Maryland |
| 50 | Thelma Maubery | 14 | Niece | — | Maryland |
| 51 | William Willon | 35 | Head | Truck Driver | Maryland |
| 52 | Edith Willon | 35 | Wife | — | Maryland |
| 53 | Hazel Willon | 14 | Daughter | — | Maryland |
| 54 | Dorothy Willon | 12 | Daughter | — | Maryland |
| 55 | Wallace Willon | 10 | Son | — | Maryland |
| 56 | Clarence E Bowdle | 46 | Head | Laborer | Maryland |
| 57 | Mary E Bowdle | 44 | Wife | — | Maryland |
| 58 | Louis L Bowdle | 18 | Daughter | — | Maryland |
| 59 | Tilghman W Moore | 55 | Head | Farmer | Maryland |
| 60 | Sarah E Moore | 49 | Wife | — | Maryland |
| 61 | John William Moore | 13 | Son | — | Maryland |
| 62 | James C Davis | 65 | Head | Farmer | Maryland |
| 63 | Carry M Davis | 47 | Wife | — | Maryland |
| 64 | Ernest Davis | 32 | Son | Truck Driver | Maryland |
| 65 | Tillis Willon | 45 | Boarder | Laborer | Maryland |
| 66 | Lewis Smiler | 40 | Hired man | Laborer | Maryland |
| 67 | Thomas Washington | 44 | Head | Laborer | Maryland |
| 68 | Mary Washington THIS PERSON | 43 | Wife | — | Maryland |
| 69 | Emerson Washington | 23 | Son | Laborer | Maryland |
| 70 | John E Towers | 65 | Head | Laborer | Maryland |
| 71 | Millie Towers | 60 | Wife | — | Maryland |
| 72 | Lawrence Towers | 24 | Son | Laborer | Maryland |
| 73 | Blanche Towers | 22 | Daughter | Shorts Button | Maryland |
| 74 | James Roland Towers | 20 | Son | Laborer | Maryland |
| 75 | C. D. Iler | 65 | Head | — | Canada |
| 76 | Stella M. Iler | 57 | Wife | Sorter | Kent |
| 77 | Ida Lane | 60 | Head | — | Maryland |
| 78 | Esther Lane | 34 | Daughter | — | Maryland |
| 79 | Bernice Lane | 32 | Daughter | Waitress | Maryland |
| 80 | Edward E Adams | 70 | Head | — | 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)