TS
Thelma Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Concordia-County, Louisiana
Our Model Tree links this Thelma Smith across the 1920, 1930 and 1940 US Censuses in Concordia-County, Louisiana (XGBoost, ~Confirmed), with identified parents Ella & Ella — first a daughter (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Concordia-County, Louisiana |
| Surname | Smith |
| Given Name | Thelma |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (County) | Concordia |
| Additional Details | |
| Highest Grade | No 0 |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Lismore |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Smith | Daughter | — | 31 | ~1909 |
| Joseph Smith | Head | — | 51 | ~1889 |
| Liza Smith | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Concordia, Louisiana
Daughter, age 11
Concordia, Louisiana · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Thelma Josephine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Concordia, Louisiana
Daughter, age 21
Concordia, Louisiana · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Farm Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | 85 |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Concordia-County, Louisiana
Daughter, age 31
Concordia-County, Louisiana · implied b. ~1909 — 3 household members
| Surname | Smith |
| Given Name | Thelma |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (County) | Concordia |
| Highest Grade | No 0 |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Thelma Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ella Smith (~0.92 confidence) and mother Ella Smith (~0.92 confidence) and mother Liza Smith (~0.92 confidence) and father David Smith (~0.92 confidence) and father Isaiah Smith (~0.92 confidence) and father Joseph Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ella Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Ella Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Liza Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
David Smith
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Isaiah Smith
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Joseph Smith
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thelma Smith
Daughter · 1940 · age 31 · b. ~1909 · Louisiana
★ 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 — Concordia-County, Louisiana
Open full size
1940 US Federal Census — Concordia-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01394-00348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norma J. Ellis | 3 | daughter | — | Louisiana |
| 42 | Joseph L. Smith | 51 | head | Farm Laborer | Louisiana |
| 43 | Liza Smith | 52 | wife | — | Louisiana |
| 44 | Thelma Smith THIS PERSON | 31 | daughter | — | Louisiana |
| 45 | Smith | 4 | grandson | — | Louisiana |
| 46 | Tom Williams | 37 | head | Hired Laborer | Louisiana |
| 47 | Bertha Williams | 31 | wife | — | Louisiana |
| 48 | Jr. Tom Williams | 7 | son | — | Louisiana |
| 49 | Lotta B. Williams | 4 | daughter | — | Louisiana |
| 50 | Ora Lee Williams | 1 | son | — | Louisiana |
| 51 | Willie Hatten | 27 | head | Hired Laborer | Louisiana |
| 52 | Elizabeth Hatten | 22 | wife | — | Louisiana |
| 53 | Lidge Walker | 30 | head | Hired Laborer | Louisiana |
| 54 | Emma Walker | 29 | wife | — | Louisiana |
| 55 | Johnie Walker | 10 | son | — | Louisiana |
| 56 | Jr. Lidge Walker | 5 | son | — | Louisiana |
| 57 | Jimmie Walker | 4 | son | — | Louisiana |
| 58 | Dizat Walker | 2 | son | — | Louisiana |
| 59 | Oliver Wilson | 32 | head | Hired Laborer | Louisiana |
| 60 | Josephine Wilson | 56 | mother | — | Louisiana |
| 61 | Ernest Gilmore | 46 | head | Hired Laborer | Louisiana |
| 62 | Lota Gilmore | 43 | wife | — | Louisiana |
| 63 | Ida Williams | 66 | head | 40 | Louisiana |
| 64 | Milmon Clarence Williams | 8 | grandson | — | Louisiana |
| 65 | Sandy Wiggins | 47 | head | Hired Laborer | Louisiana |
| 66 | Alberta Wiggins | 46 | wife | — | Louisiana |
| 67 | Augustine Wiggins | 16 | daughter | Hired Laborer | Louisiana |
| 68 | Celestine Wiggins | 14 | daughter | Family Helper | Louisiana |
| 69 | Leroy Walker | 32 | head | Hired Laborer | Louisiana |
| 70 | Lula Walker | 21 | wife | — | Louisiana |
| 71 | J. Miller Wilson | 55 | head | Farming | Louisiana |
| 72 | Ben Coleman | 38 | head | Farming | Louisiana |
| 73 | Luvenia Coleman | 36 | wife | — | Louisiana |
| 74 | Emma Lee Coleman | 10 | daughter | — | Louisiana |
| 75 | Walter Coleman | 7 | son | — | Louisiana |
| 76 | Bertha Mae Coleman | 6 | daughter | — | Louisiana |
| 77 | J. Ben Coleman | 4 | son | — | Louisiana |
| 78 | Lidith Coleman | 2 | daughter | — | Louisiana |
| 79 | Leroy Coleman | 4 | son | — | Louisiana |
| 80 | Mary Tillman | 46 | head | Hired Laborer | Louisiana |
Pedigree Summary
Thelma
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
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)