LS
Lawrence Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Caldwell-County, Texas
Our Model Tree links this Lawrence Smith across the 1920, 1930 and 1940 US Censuses in Caldwell-County, Texas (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Son
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Caldwell-County, Texas |
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Lockhart City |
| 1935 Residence (County) | Caldwell |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 230 |
| Highest Grade | no 8 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Laborer |
| Township / Ward | Lockhart City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Mae Smith | Daughter | — | 29 | ~1911 |
| Fred Smith | Head | — | 63 | ~1877 |
| Roger Smith | Son | — | 22 | ~1918 |
| Lawrence Smith | Son | — | 31 | ~1909 |
| Bertie Smith | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Caldwell, Texas
Son, age 11
Caldwell, Texas · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Caldwell, Texas
Son, age 21
Caldwell, Texas · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | Laborer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Caldwell-County, Texas
Son, age 31
Caldwell-County, Texas · implied b. ~1909 — 5 household members
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Lockhart City |
| 1935 Residence (County) | Caldwell |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 230 |
| Highest Grade | no 8 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Lawrence Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Smith (~0.92 confidence) and father Fred Smith (~0.92 confidence) and mother Bertie Smith (~0.92 confidence) and mother Bertie Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Fred Smith
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Bertie Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Bertie Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Smith
Son · 1940 · age 31 · b. ~1909 · Texas
★ You are viewing this record
Sibling
Roger Smith
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mae Smith
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Caldwell-County, Texas
Open full size
1940 US Federal Census — Caldwell-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03996-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peggy June Rector | 5 | Daughter | — | Texas |
| 2 | Hazel Ann Rector | 1 | Daughter | — | Texas |
| 3 | James M. Wimberley | 47 | Head | Machinist | Texas |
| 4 | Carrie E. Wimberley | 42 | Wife | — | Texas |
| 5 | Evelyn Ruth Wimberley | 15 | Daughter | — | Texas |
| 6 | Rubie W. Koehler | 32 | Head | Salesman | Texas |
| 7 | Minnie Koehler | 27 | Wife | Bookkeeper | Texas |
| 8 | Paul Ray Lott | 21 | Head | Carpenter | Texas |
| 9 | Mary Francis Lott | 21 | Wife | — | Texas |
| 10 | Paul Ray Jr. Lott | 2 | Son | — | Texas |
| 11 | William E. Branyon | 55 | Head | Carpenter | Texas |
| 12 | Essie Branyon | 52 | Wife | — | Texas |
| 13 | Dovie Terry | 48 | Head | Janitor Clerk | Tennessee |
| 14 | Wilma Terry | 20 | Daughter | Stenographer | Texas |
| 15 | Wilson Terry | 20 | Son | — | Texas |
| 16 | Ralph Terry | 18 | Son | — | Texas |
| 17 | Lorraine Terry | 16 | Daughter | — | Texas |
| 18 | John Henry Martindale | 41 | Head | Justice Of Peace | Texas |
| 19 | Callie Martindale | 33 | Wife | — | Texas |
| 20 | Tallulah S. Martindale | 8 | Daughter | — | Texas |
| 21 | Mary Anna Martindale | 5 | Daughter | — | Texas |
| 22 | Parker Herridge | 20 | Nephew | Painter | Texas |
| 23 | Mammie Horner | 61 | Head | — | Texas |
| 24 | Volcie Horner | 39 | Daughter | — | Texas |
| 25 | Ruby Lee Horner | 34 | Daughter | — | Texas |
| 26 | Lillian Lorine Horner | 27 | Daughter | Junior Clerk | Texas |
| 27 | James Arthur Laney | 59 | Head | City Carrier | Texas |
| 28 | Mary Laney | 58 | Wife | — | Texas |
| 29 | Arthur W. Laney | 24 | Son | — | Texas |
| 30 | Frieda Mueller | 56 | Head | — | Texas |
| 31 | Fred L. Smith | 63 | Head | Truck Driver | Texas |
| 32 | Bertie Smith | 57 | Wife | — | Texas |
| 33 | Roger Smith | 22 | Son | — | Texas |
| 34 | Lawrence Smith THIS PERSON | 31 | Son | Laborer | Texas |
| 35 | Mae Smith | 29 | Daughter | — | Texas |
| 36 | Granville E. Horner | 46 | Head | Monument Maker | Texas |
| 37 | Lula Pearl Horner | 40 | Wife | — | Texas |
| 38 | Irene Adele Horner | 14 | Daughter | — | Texas |
| 39 | Carl Linsey Bergen | 45 | Head | Watcher | Texas |
| 40 | Ida Louise Bergen | 38 | Wife | — | Texas |
Pedigree Summary
Lawrence + 2 siblings
Gen 1 · 5 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)