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Marie Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Marie Lewis across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 14-person household.
Age 15
b. ~1925
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Lewis |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1925 |
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 Marie | Age | Birth yr |
|---|---|---|---|---|
| James Lewis | Head | — | 49 | ~1891 |
| Elmer Lewis | Son | — | 8 | ~1932 |
| Herbert Lewis | Son | — | 1 | ~1939 |
| Thelma Lewis | Daughter | — | 8 | ~1932 |
| Elizabeth Lewis | Daughter | — | 3 | ~1937 |
| Evelyn Lewis | Daughter | — | 7 | ~1933 |
| Frank Lewis | Son | — | 12 | ~1928 |
| Betty Lewis | Daughter | — | 11 | ~1929 |
| Walter Lewis | Son | — | 16 | ~1924 |
| Georgia Lewis | Spouse | — | 36 | ~1904 |
| Ida Lewis | Daughter | — | 4 | ~1936 |
| Marie Lewis | Daughter | — | 15 | ~1925 |
| James Lewis | Son | — | 18 | ~1922 |
| William Lewis | Son | — | 13 | ~1927 |
Census Appearances
1930
Baltimore, Maryland
Other, age 5
Baltimore, Maryland · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Marie |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 15
Baltimore-City-County, Maryland · implied b. ~1925 — 14 household members
| Surname | Lewis |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | No 7 |
| 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 Marie Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Lewis
Daughter · 1940 · age 15 · b. ~1925 · Maryland
★ You are viewing this record
Sibling
Evelyn Lewis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Lewis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Lewis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Lewis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Lewis
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Lewis
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lewis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lewis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Lewis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Lewis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Lewis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01530-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ursaline Jenkins | 15 | Niece | — | Washington D.C. |
| 42 | Roland Gunn | 33 | Head | Laborer | Washington D.C. |
| 43 | Alice Gunn | 22 | Wife | Laundress | South Carolina |
| 44 | Ruth Williams | 15 | Step-dau | — | Maryland |
| 45 | James Williams | 14 | Step-son | — | Maryland |
| 46 | Naomi Dodson | 47 | Head | Laundress | Maryland |
| 47 | Blondell Dodson | 22 | Daughter | Servant | Maryland |
| 48 | Marie Dodson | 22 | Daughter | Maid | Maryland |
| 49 | Vincent Dodson | 21 | Son | Laborer | Maryland |
| 50 | Richard Poffut | 47 | Lodger | Laborer | Maryland |
| 51 | James Lewis | 49 | Head | — | Virginia |
| 52 | Georgia Lewis | 36 | Wife | — | Virginia |
| 53 | James Lewis | 18 | Son | Laborer | Virginia |
| 54 | Walter Lewis | 16 | Son | — | Maryland |
| 55 | Marie Lewis THIS PERSON | 15 | Daughter | — | Maryland |
| 56 | William Lewis | 13 | Son | — | Maryland |
| 57 | Frank Lewis | 12 | Son | — | Maryland |
| 58 | Betty Lewis | 11 | Daughter | — | Maryland |
| 59 | Elmer Lewis | 8 | Son | — | Maryland |
| 60 | Thelma Lewis | 8 | Daughter | — | Maryland |
| 61 | Evelyn Lewis | 7 | Daughter | — | Maryland |
| 62 | Ida Lewis | 4 | Daughter | — | Maryland |
| 63 | Elizabeth Lewis | 3 | Daughter | — | Maryland |
| 64 | Herbert Lewis | 1 | Son | — | Maryland |
| 65 | Arthur Bibbs | 50 | Head | — | Virginia |
| 66 | Lucy Bibbs | 47 | Wife | — | Virginia |
| 67 | Archie King | 41 | Head | Laborer | North Carolina |
| 68 | Minnie King | 41 | Wife | — | Virginia |
| 69 | James Alvis | 22 | Step-son | Laborer | Virginia |
| 70 | Mamie Alvis | 20 | Daughter | New Worker | Virginia |
| 71 | Fannie Lipscomb | 63 | Head | — | Virginia |
| 72 | John Ross | 25 | Son | Laborer | Virginia |
| 73 | Leroy Brown | 8 | Grandson | — | New York |
| 74 | William Ruff | 75 | Head | — | Maryland |
| 75 | Jennie Ruff | 65 | Wife | — | Maryland |
| 76 | Ernest Ruff | 44 | Son | Dishwasher | Maryland |
| 77 | Oprie Ruff | 20 | Daughter | Housework | Maryland |
| 78 | Dermyton Taylor | 11 | Grandson | — | Maryland |
| 79 | Venetta Ryan | 34 | Head | — | Maryland |
| 80 | Ethel Hammond | 25 | Daughter | Proprietor | 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)