MW
Mary Washington — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Mary Washington across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 14-person household.
Age 34
b. ~1906
Female
Spouse
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | House work |
| Industry | at Home |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same Place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | House Work |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1906 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Goodman | Daughter | — | 17 | ~1923 |
| Dorothy Washington | Daughter | — | 3 | ~1937 |
| Mary Goodman | Daughter | — | 13 | ~1927 |
| Eliza Washington | Head | — | 33 | ~1907 |
| Rudolph Trinkle | Other | — | 8 | ~1932 |
| Robert Trinkle | Other | — | 7 | ~1933 |
| Alice Trinkle | Other | — | 8 | ~1932 |
| John Goodman | Son | — | 15 | ~1925 |
| Charles Goodman | Son | — | 10 | ~1930 |
| Eliza Washington | Son | — | 4 | ~1936 |
| Richard Goodman | Son | — | 16 | ~1924 |
| Melvin Washington | Son | — | 1 | ~1939 |
| Alvin Washington | Son | — | 2 | ~1938 |
| Mary Washington | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Baltimore, Maryland
Spouse, age 26
Baltimore, Maryland · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 16 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Baltimore-City-County, Maryland
Spouse, age 34
Baltimore-City-County, Maryland · implied b. ~1906 — 14 household members
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Occupation | House work |
| Industry | at Home |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same Place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Washington
Spouse · 1940 · age 34 · b. ~1906 · 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01510-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alfred Brown | 12 | Grandson | — | Maryland |
| 42 | Anthea Brown | 18 | Daughter | House Work | Maryland |
| 43 | Cynthia Harris | 3 | Daughter | — | Maryland |
| 44 | Nadine Harris | 1 | Daughter | — | Maryland |
| 45 | Donald Brown | 8 | Grandson | — | Maryland |
| 46 | Jessie Maxwell | 66 | Head | House Work | Georgia |
| 47 | Edward Rhodes | 56 | Lodger | Laborer | Pennsylvania |
| 48 | Ernest Smith | 65 | Head | Janitor | Maryland |
| 49 | Eliza Washington | 33 | Head | Sheet Metal Worker | So. Carolina |
| 50 | Mary Washington THIS PERSON | 34 | Wife | House Work | Virginia |
| 51 | Helen Goodman | 17 | Daughter | — | Virginia |
| 52 | Richard Goodman | 16 | Son | — | Virginia |
| 53 | John Goodman | 15 | Son | — | Virginia |
| 54 | Mary Goodman | 13 | Daughter | — | Maryland |
| 55 | Charles Goodman | 10 | Son | — | Maryland |
| 56 | Eliza J. Washington | 4 | Son | — | Maryland |
| 57 | Dorothy Washington | 3 | Daughter | — | Maryland |
| 58 | Alvin Washington | 2 | Son | — | Maryland |
| 59 | Melvin Washington | 1 | Son | — | Maryland |
| 60 | Alice Trinkle | 8 | Cousin | — | Maryland |
| 61 | Rudolph Trinkle | 8 | Cousin | — | Maryland |
| 62 | Robert Trinkle | 7 | Cousin | — | Maryland |
| 63 | Louis Brown | 57 | Head | Janitor | Maryland |
| 64 | Lena Brown | 50 | Wife | House Work | Maryland |
| 65 | Louis Jr. Brown | 23 | Son | Mechanic | Maryland |
| 66 | Leroy Brown | 20 | Son | Presser | Maryland |
| 67 | Andrew Brown | 73 | Head | Barber | Virginia |
| 68 | Alice Gray | 59 | Head | Maid | Maryland |
| 69 | Charles Dennis | 53 | Brother | Porter | Maryland |
| 70 | Levine Smith | 30 | Head | Packer | Virginia |
| 71 | David Smith | 12 | Son | — | Maryland |
| 72 | Alexander Raines | 57 | Head | Fire Man | Maryland |
| 73 | Florence Mccoy | 32 | Sister | Maid | Maryland |
| 74 | Floyd Dean | 38 | Head | Laborer | Virginia |
| 75 | Lillian Dean | 34 | Wife | House Work | Virginia |
| 76 | Floyd Jr. Dean | 13 | Son | — | Virginia |
| 77 | Alice Dean | 11 | Daughter | — | Virginia |
| 78 | Samuel Dean | 9 | Son | — | Virginia |
| 79 | Alfred Dean | 7 | Son | — | Virginia |
| 80 | Mildred Dean | 6 | Daughter | — | Virginia |
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)