MS
Mamie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this Mamie Smith across the 1920, 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 2-person household.
Age 60
b. ~1880
Female
Head
Born: South Carolina
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Smith |
| Given Name | Mamie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia City |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Occupation | pratice nurse |
| Industry | private pratice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Pratice Nurse |
| Township / Ward | Columbia City |
| Est. Birth Year | ~1880 |
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 Mamie | Age | Birth yr |
|---|---|---|---|---|
| Mamie Smith | Head | — | 60 | ~1880 |
| Lonnie Smith | Son | — | 8 | ~1932 |
Census Appearances
1920
Richland, South …
Spouse, age 35
Richland, South Carolina · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Richland, South …
Head, age 48
Richland, South Carolina · implied b. ~1882
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Smith |
| Given Name | Mamie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | South Carolina |
| Age at First Marriage | 17 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laundress |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 6 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Head, age 60
Richland-County, South Carolina · implied b. ~1880 — 2 household members
| Surname | Smith |
| Given Name | Mamie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia City |
| 1935 Residence (County) | Richland |
| Occupation | pratice nurse |
| Industry | private pratice |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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.
Show:
This person
Anchor record
Mamie Smith
Head · 1940 · age 60 · b. ~1880 · South Carolina
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Richland-County, South Carolina
Open full size
1940 US Federal Census — Richland-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03833-00812)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank H. Brener | 37 | Head | Janitor | South Carolina |
| 2 | Rosy Lee Brener | 27 | Wife | — | South Carolina |
| 3 | Hattie S. Brener | 4 | daughter | — | South Carolina |
| 4 | Frank W. Brener | 3 | son | — | South Carolina |
| 5 | Solomon Brener | 0 | son | — | South Carolina |
| 6 | Hattie Lee Gordon | 65 | mother | — | South Carolina |
| 7 | Margaret Gordon | 11 | lodger | — | South Carolina |
| 8 | Joe Respass | 41 | Head | Gardener | South Carolina |
| 9 | Zolona Respass | 36 | Wife | Maid | South Carolina |
| 10 | Mary Respass | 18 | daughter | — | South Carolina |
| 11 | Inez Respass | 16 | daughter | — | South Carolina |
| 12 | Ruth Respass | 14 | daughter | — | South Carolina |
| 13 | Margaret Respass | 9 | daughter | — | South Carolina |
| 14 | Joe Jr. Respass | 4 | son | — | South Carolina |
| 15 | Bertha White | 53 | Head | — | South Carolina |
| 16 | Cyp White | 19 | son | — | South Carolina |
| 17 | Olean White | 17 | daughter | — | South Carolina |
| 18 | Albeta White | 13 | daughter | — | South Carolina |
| 19 | Margertia White | 10 | daughter | — | South Carolina |
| 20 | Cairnest White | 8 | son | — | South Carolina |
| 21 | H. C. Tayler | 65 | Head | Preacher | South Carolina |
| 22 | Mable C. Tayler | 50 | wife | — | South Carolina |
| 23 | Melvin Brown | 30 | Head | — | South Carolina |
| 24 | Wilimenia Brown | 26 | wife | — | South Carolina |
| 25 | Dorthy Jackson | 14 | niece | Nurse | South Carolina |
| 26 | Mamie Smith THIS PERSON | 60 | Head | Pratice Nurse | South Carolina |
| 27 | Lonnie Smith | 8 | son | — | South Carolina |
| 28 | R. A. Johnson | 54 | Head | Preacher | South Carolina |
| 29 | Mary Johnson | 45 | wife | — | South Carolina |
| 30 | Sam Johnston | 65 | Head | Janitor | South Carolina |
| 31 | Emma Johnston | 68 | Sister | Cook | South Carolina |
| 32 | Hattie Mitchell | 46 | Head | Cook | South Carolina |
| 33 | Mary Mitchell | 27 | daughter | Cook | South Carolina |
| 34 | Julius Mitchell | 22 | son | Laborer | South Carolina |
| 35 | Franklin Mitchell | 18 | son | Delivery Boy | South Carolina |
| 36 | Clouria West | 30 | Lodger | Cook | South Carolina |
| 37 | Claudia West | 39 | Lodger | Cook | South Carolina |
| 38 | Tim Ashford | 27 | Head | Laborer | South Carolina |
| 39 | Bertha Ashford | 24 | wife | Cook | South Carolina |
| 40 | Tommy Taylor | 37 | Cousin | Laborer | South Carolina |
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)