MS
Mamie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tuscaloosa-County, Alabama
Our Model Tree links this Mamie Smith across the 1920, 1930 and 1940 US Censuses in Tuscaloosa-County, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tuscaloosa-County, Alabama |
| Surname | Smith |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Tuscaloosa |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 11 |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Viola Smith | Daughter | — | 13 | ~1927 |
| John Smith | Head | — | 42 | ~1898 |
| Johnnie Smith | Son | — | 18 | ~1922 |
| Mamie Smith | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Tuscaloosa, Alabama
Spouse, age 19
Tuscaloosa, Alabama · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Minnie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Boats |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
Spouse, age 30
Tuscaloosa, Alabama · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Minnie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 24 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Tuscaloosa-County, Alabama
Spouse, age 42
Tuscaloosa-County, Alabama · implied b. ~1898 — 4 household members
| Surname | Smith |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Tuscaloosa |
| Industry | 0 |
| Highest Grade | No 4 |
| 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 Mamie Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mamie Smith
Spouse · 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 — Tuscaloosa-County, Alabama
Open full size
1940 US Federal Census — Tuscaloosa-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00084-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard Rogers | 18 | Son | Miner | Alabama |
| 2 | Margurite Rogers | 16 | Daughter | — | Alabama |
| 3 | Donnell Mccarroll | 21 | Head | Laborer | Alabama |
| 4 | Ruth L. Mccarroll | 18 | Wife | — | Alabama |
| 5 | Lucile Mccarroll | 10 | Sister | — | Alabama |
| 6 | Sarah A. Booth | 47 | Mother-in-law | — | Alabama |
| 7 | Edd Johnson | 39 | Head | Miner | Alabama |
| 8 | Marshall Johnson | 32 | Wife | — | Alabama |
| 9 | Milton Smith | 54 | Uncle | Miner | Alabama |
| 10 | Ulsey Mcdowell | 49 | Head | Miner | Alabama |
| 11 | Susanna Mcdowell | 53 | Wife | — | Alabama |
| 12 | Tyre Samuel | 48 | Head | Miner | Alabama |
| 13 | Bethinia Samuel | 49 | Wife | — | Alabama |
| 14 | Jon Thompson | 76 | Head | — | Alabama |
| 15 | Alvin Kemp | 40 | Head | Miner | Alabama |
| 16 | Ervin, Jamie L. Kemp | 13 | Nephew | — | Alabama |
| 17 | George, Angeline Kemp | 28 | Niece | — | Alabama |
| 18 | Mattie M. Poindexter | 15 | Lodger | — | Alabama |
| 19 | Johnnie J. Pruett | 13 | Lodger | — | Alabama |
| 20 | John Smith | 42 | Head | Miner | Alabama |
| 21 | Mamie Smith THIS PERSON | 42 | Wife | — | Alabama |
| 22 | Johnnie B. Smith | 18 | Son | Laborer | Alabama |
| 23 | Viola Smith | 13 | Daughter | — | Alabama |
| 24 | Theo Washington | 25 | Head | Miner | Mississippi |
| 25 | Gertrude Washington | 68 | Mother | — | Alabama |
| 26 | Lester Davis | 11 | Nephew | — | Alabama |
| 27 | Willie D. Davis | 9 | Niece | — | Alabama |
| 28 | Marshall Davis | 7 | Nephew | — | Alabama |
| 29 | Doc Manuel | 48 | Head | Miner | Alabama |
| 30 | Rosa Manuel | 35 | Wife | — | Alabama |
| 31 | Lizzie B. Williams | 20 | Niece | — | Alabama |
| 32 | Minnie L. Sewell | 17 | Niece | — | Alabama |
| 33 | Donnie L. Sewell | 7 | Niece | — | Alabama |
| 34 | Jack Mixon | 59 | Head | — | Alabama |
| 35 | Katherine Mixon | 45 | Wife | — | Alabama |
| 36 | Jack Jr. Mixon | 5 | Son | — | Alabama |
| 37 | Stella Mixon | 5 | Daughter | — | Alabama |
| 38 | Jannie Mixon | 3 | Son | — | Alabama |
| 39 | Will Edmond | 15 | Step Son | New Worker | Alabama |
| 40 | Rosa L. Edmond | 12 | 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)