AK
Alice Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Alice Knight across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 2-person household.
Age 49
b. ~1891
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Knight |
| Given Name | Alice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1891 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Donald Knight | Son | — | 20 | ~1920 |
| Alice Knight | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Jefferson, Alabama
Head, age 35
Jefferson, Alabama · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Annie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
Head, age 41
Jefferson, Alabama · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Annie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| Age at First Marriage | 20 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laundress |
| Industry | At Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1200 |
| Radio Set | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Spouse, age 49
Jefferson-County, Alabama · implied b. ~1891 — 2 household members
| Surname | Knight |
| Given Name | Alice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 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 Alice Knight across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Alice Knight
Spouse · 1940 · age 49 · b. ~1891 · 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
8 people indexed on this census page (nara:1940:m-t0627-00091-00334)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Knight THIS PERSON | 49 | Wife | — | Alabama |
| 2 | Donald Knight | 20 | Son | — | Alabama |
| 3 | J. B. Downey | 48 | Head | Conductor | Alabama |
| 4 | Retta Downey | 47 | Wife | Wrapper | Alabama |
| 5 | Joseph B. Downey | 26 | Son | Helper | Alabama |
| 6 | Charles Whitehead | 23 | Son-in-law | Truck Driver | Alabama |
| 7 | Doris Whitehead | 22 | Daughter | — | Alabama |
| 8 | Charlotte Whitehead | 0 | Daughter | — | Alabama |
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)