MV
Mary Vincent — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Mary Vincent across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 4-person household.
Age 64
b. ~1876
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Vincent |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 15 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 15 |
| Est. Birth Year | ~1876 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Benjamin Vincent | Other | — | 51 | ~1889 |
| Mary Vincent | Spouse | — | 64 | ~1876 |
| John Vincent | Head | — | 61 | ~1879 |
| Ethel Vincent | Daughter | — | 33 | ~1907 |
Census Appearances
1920
Baltimore, Maryland
Spouse, age 42
Baltimore, Maryland · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vincent |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 52
Baltimore, Maryland · implied b. ~1878 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vincent |
| Given Name | Mary R. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 24 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Spouse, age 64
Baltimore-County, Maryland · implied b. ~1876 — 4 household members
| Surname | Vincent |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 15 |
| 1935 Residence (County) | Baltimore |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | Hs 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 Vincent 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 Vincent
Spouse · 1940 · age 64 · b. ~1876 · 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-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01507-00007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles H. Coursey | 32 | Head | Catcher | Maryland |
| 2 | Marie E. Coursey | 32 | Wife | — | Maryland |
| 3 | Helen E. Coursey | 5 | Daughter | — | Maryland |
| 4 | Marvin C. Coursey | 2 | Son | — | Maryland |
| 5 | George C. Merryman | 28 | Head | Laborer | Maryland |
| 6 | Ethel S. Merryman | 31 | Wife | — | Maryland |
| 7 | Ethel E. Merryman | 8 | Daughter | — | Maryland |
| 8 | George C. Jr. Merryman | 7 | Son | — | Maryland |
| 9 | Shirley Ann Merryman | 4 | Daughter | — | Maryland |
| 10 | Benjamin B. Merryman | 3 | Son | — | Maryland |
| 11 | John Jakum | 31 | Head | Mechanic | Maryland |
| 12 | Barbara Jakum | 33 | Wife | — | Germany |
| 13 | John S. Vincent | 61 | Head | Florist | Maryland |
| 14 | Mary R. Vincent THIS PERSON | 64 | Wife | — | Maryland |
| 15 | Ethel V. Vincent | 33 | Daughter | Helper | Maryland |
| 16 | Benjamin Vincent | 51 | Brother-in-law | — | Maryland |
| 17 | Charles W. Gambrill | 45 | Head | Florist | Maryland |
| 18 | Grace B. Gambrill | 37 | Wife | — | Maryland |
| 19 | Charles W. Jr. Gambrill | 17 | Son | — | Maryland |
| 20 | Richard V. Gambrill | 14 | Son | — | Maryland |
| 21 | Richard H. Vincent | 27 | Brother-in-law | Salesman | Maryland |
| 22 | Laurence H. Shields | 36 | Head | Laborer | West Virginia |
| 23 | Frances L. Shields | 33 | Wife | — | West Virginia |
| 24 | Howard Shields | 14 | Son | — | West Virginia |
| 25 | Thomas R. Shields | 12 | Son | — | West Virginia |
| 26 | Dorothy J. Shields | 11 | Daughter | — | Ohio |
| 27 | Clarence Shields | 8 | Daughter | — | Maryland |
| 28 | Pearl Shields | 5 | Daughter | — | Maryland |
| 29 | Lawrence H. Jr. Shields | 1 | Son | — | Maryland |
| 30 | Patricia M. Shields | 1 | Daughter | — | Maryland |
| 31 | George J. Myers | 62 | Head | Operator | Maryland |
| 32 | Mary J. Myers | 55 | Wife | — | Maryland |
| 33 | W. Sterling Myers | 31 | Son | Carpenter | Maryland |
| 34 | Barbara E. Myers | 29 | Daughter-in-law | — | Maryland |
| 35 | Marvin Myers | 4 | Son | — | Maryland |
| 36 | Robert C. Brickert | 35 | Head | Bill Poster | Pennsylvania |
| 37 | Amanda M. Brickert | 35 | Wife | — | Maryland |
| 38 | Mary L. Brickert | 14 | Daughter | — | Maryland |
| 39 | Harry F. Brickert | 12 | Son | — | Maryland |
| 40 | Elizabeth M. Brickert | 11 | Daughter | — | Maryland |
Related Census Records
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)