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Marie Adams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Marie Adams across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Female
Daughter
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Adams |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Layfield Adams | Son | — | 10 | ~1930 |
| Jameson Adams | Son | — | 8 | ~1932 |
| John Adams | Son | — | 6 | ~1934 |
| Harry Adams | Son | — | 13 | ~1927 |
| Carrie Adams | Spouse | — | 37 | ~1903 |
| Layfield Adams | Head | — | 41 | ~1899 |
| Marie Adams | Daughter | — | 11 | ~1929 |
| Rudolph Adams | Son | — | 5 | ~1935 |
| Theodore Adams | Son | — | 2 | ~1938 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 1
Baltimore, Maryland · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Baltimore-City-County, Maryland
Daughter, age 11
Baltimore-City-County, Maryland · implied b. ~1929 — 9 household members
| Surname | Adams |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Adams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Adams
Daughter · 1940 · age 11 · b. ~1929 · Maryland
★ You are viewing this record
Sibling
Rudolph Adams
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Adams
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jameson Adams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Layfield Adams
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Adams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Adams
Sibling · 1940 · age 2
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-t0627-01534-00204)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sophia Lee Myers | 25 | daughter | — | Maryland |
| 42 | Vernon Myers | 15 | son | — | Maryland |
| 43 | James Johnson | 61 | Head | Laborer | Maryland |
| 44 | Ella Johnson | 60 | Wife | — | Maryland |
| 45 | Mary Johnson | 15 | daughter | — | Maryland |
| 46 | Mary Daly | 67 | Head | — | Maryland |
| 47 | Henry Daly | 34 | son | Laborer | Maryland |
| 48 | Maggie Johnson | 54 | Head | Dishwasher | Maryland |
| 49 | Howard Johnson | 25 | son | Laborer | Maryland |
| 50 | Emma Johnson | 18 | daughter | Domestic | Maryland |
| 51 | Mae Johnson | 13 | daughter | — | Maryland |
| 52 | Layfield Adams | 41 | Head | Laborer | Maryland |
| 53 | Carrie Adams | 37 | wife | — | Virginia |
| 54 | Harry Adams | 13 | son | — | Delaware |
| 55 | Marie Adams THIS PERSON | 11 | daughter | — | Delaware |
| 56 | Layfield Jr Adams | 10 | son | — | Maryland |
| 57 | Jameson Adams | 8 | son | — | Maryland |
| 58 | John Adams | 6 | son | — | Maryland |
| 59 | Rudolph Adams | 5 | son | — | Maryland |
| 60 | Theodore Adams | 2 | son | — | Maryland |
| 61 | Minnie Mclean | 56 | Head | — | N. Carolina |
| 62 | Alice Mclean | 17 | daughter | — | N. Carolina |
| 63 | James Mclean | 14 | son | — | N. Carolina |
| 64 | Flora Griffin | 25 | daughter | — | N. Carolina |
| 65 | Harvey Lee Griffin | 8 | grandson | — | N. Carolina |
| 66 | Daniel Griffin | 6 | grandson | — | N. Carolina |
| 67 | Archie Young | 26 | Head | Trackman | Maryland |
| 68 | Ruth Young | 27 | wife | Dishwasher | Maryland |
| 69 | Edward Mccarter | 36 | lodger | Truck Driver | Maryland |
| 70 | Geneva Mccarter | 29 | lodger wife | Dishwasher | Maryland |
| 71 | Margaret Ford | 57 | Head | Domestic | Maryland |
| 72 | Arnold J. Ford | 25 | son | — | Maryland |
| 73 | Lawrence E Dorsey | 20 | grandson | Handy Man | Maryland |
| 74 | Clifton Hatcher | 42 | Head | Night Watchman | Alabama |
| 75 | James Mathews | 50 | lodger | Laborer | Virginia |
| 76 | Richard Williams | 52 | Head | Laborer | Maryland |
| 77 | Elizabeth Williams | 42 | Wife | — | Maryland |
| 78 | Mildred Rollins | 22 | daughter | Maid | Maryland |
| 79 | Victoria Williams | 20 | daughter | — | Maryland |
| 80 | Richard Jr Williams | 15 | son | Truck Driver Helper | 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)