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Mary Adams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Mary Adams across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 6-person household.
Age 42
b. ~1898
Female
Head
Born: Alabama
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Adams |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1898 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Adams | Daughter | — | 17 | ~1923 |
| Mary Adams | Head | — | 42 | ~1898 |
| Cora Henna | Other | — | 1 | ~1939 |
| William Adams | Son | — | 15 | ~1925 |
| John Adams | Son | — | 6 | ~1934 |
| Mchenley Adams | Son | — | 10 | ~1930 |
Census Appearances
1920
Jefferson, Alabama
Other, age 21
Jefferson, Alabama · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Mary |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Other, age 32
Jefferson, Alabama · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Marie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 16 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 42
Jefferson-County, Alabama · implied b. ~1898 — 6 household members
| Surname | Adams |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Adams
Head · 1940 · age 42 · b. ~1898 · Alabama
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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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00095-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James D. Stringer | 52 | Head | — | Alabama |
| 42 | Vandie Stringer | 35 | Wife | Wash Woman | Alabama |
| 43 | Nathan Stringer | 9 | Son | — | Alabama |
| 44 | Tom Stringer | 7 | Son | — | Alabama |
| 45 | Susie Cross | 66 | Head | — | Tennessee |
| 46 | Lena Williams | 40 | Daughter | Maid In Private House | Tennessee |
| 47 | Joe Perry | 56 | Head | Laborer | Alabama |
| 48 | Annie Perry | 45 | Wife | Maid | Alabama |
| 49 | Will Cross | 40 | Lodger | Laborer | Alabama |
| 50 | Mary Cross | 17 | Lodger | — | Alabama |
| 51 | Buford Perry | 25 | Lodger | — | Alabama |
| 52 | Howard Vaughan | 30 | Head | Laborer | Alabama |
| 53 | Laura Vaughan | 25 | Wife | — | Mississippi |
| 54 | Ida Vaughan | 8 | Daughter | — | Alabama |
| 55 | Lillian Vaughan | 6 | Daughter | — | Alabama |
| 56 | Carrie Vaughan | 4 | Daughter | — | Alabama |
| 57 | Walter Johnson | 57 | Head | Laborer | Mississippi |
| 58 | Ida Johnson | 51 | Wife | — | Mississippi |
| 59 | Jimmie Philpot | 38 | Head | Laborer | Alabama |
| 60 | Mary Philpot | 36 | Wife | — | Mississippi |
| 61 | John Philpot | 18 | Son | — | Alabama |
| 62 | Maggie Pollard | 67 | Head | — | Alabama |
| 63 | John Topps | 71 | Lodger | Laborer | Mississippi |
| 64 | Corine Taylor | 35 | Head | Maid | Alabama |
| 65 | Henry Taylor | 17 | Son | Delivery Boy | Alabama |
| 66 | Charlie Taylor | 15 | Son | Delivery Boy | Alabama |
| 67 | Mary Adams THIS PERSON | 42 | Head | — | Alabama |
| 68 | Mary Adams | 17 | Daughter | Maid | Alabama |
| 69 | William Adams | 15 | Son | Drayman | Alabama |
| 70 | Mchenley Adams | 10 | Son | — | Alabama |
| 71 | John Adams | 6 | Son | — | Alabama |
| 72 | Cora Henna | 1 | Grand-daughter | — | Alabama |
| 73 | Alabama Foster | 32 | Head | — | Alabama |
| 74 | Cora Powell | 32 | Head | Maid | Alabama |
| 75 | Wyle C. Barber | 52 | Head | Locomotive Engineer | Georgia |
| 76 | Florence Barber | 43 | Wife | — | Virginia |
| 77 | Florence Tony | 33 | Head | Telephone Operator | Georgia |
| 78 | Claude Tony | 18 | Son | — | Alabama |
| 79 | Maude Eggler | 83 | Mother | — | Georgia |
| 80 | Francis Goodwin | 60 | Head | Collector | Alabama |
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)