LS
Lawrence Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rush-County, Indiana
Our Model Tree links this Lawrence Smith across the 1910, 1920, 1930 and 1940 US Censuses in Rush-County, Indiana (XGBoost, ~Confirmed), with identified parents Otis & Ed — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rush-County, Indiana |
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Rushville |
| 1935 Residence (County) | Rush |
| Additional Details | |
| Occupation | W.P.A. Project |
| Industry | W.P.A. |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 432 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | W.P.A. Project |
| Township / Ward | Rushville |
| Est. Birth Year | ~1910 |
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 Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Smith | Daughter | — | 5 | ~1935 |
| Lawrence Smith | Head | — | 30 | ~1910 |
| Otis Smith | Other | — | 61 | ~1879 |
| Freda Smith | Spouse | — | 30 | ~1910 |
Census Appearances
1910
Rush, Indiana
Son, age
Rush, Indiana · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Rush, Indiana
Son, age 10
Rush, Indiana · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Rush, Indiana
Son, age 20
Rush, Indiana · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Rush-County, Indiana
Head, age 30
Rush-County, Indiana · implied b. ~1910 — 4 household members
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Rushville |
| 1935 Residence (County) | Rush |
| Occupation | W.P.A. Project |
| Industry | W.P.A. |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 432 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otis Smith (~0.92 confidence) and father Ed Smith (~0.92 confidence) and mother David Smith (~0.92 confidence) and mother Maude Smith (~0.92 confidence) and father Olin Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otis Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Ed Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
David Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Maude Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Olin Smith
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Smith
Head · 1940 · age 30 · b. ~1910 · Indiana
★ 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 — Rush-County, Indiana
Open full size
1940 US Federal Census — Rush-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01091-00432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clifford Wayt | 16 | son | — | Indiana |
| 42 | Ruth Wayt | 13 | daughter | — | Indiana |
| 43 | John Kephart | 40 | Head | Trucker | Indiana |
| 44 | Mary Kephart | 29 | wife | — | Indiana |
| 45 | Esther Kephart | 15 | daughter | — | Indiana |
| 46 | Annabell Kephart | 9 | daughter | — | Indiana |
| 47 | Edna Kephart | 3 | daughter | — | Indiana |
| 48 | Virginia Kephart | 0 | daughter | — | Indiana |
| 49 | Cleatus Leisure | 51 | Head | Section Hand | Indiana |
| 50 | Florence Leisure | 53 | wife | — | Indiana |
| 51 | Howard Leisure | 16 | son | — | Indiana |
| 52 | Bonnie Leisure | 11 | daughter | — | Indiana |
| 53 | Samuel Idle | 82 | Father | Old Age Pension | Ohio |
| 54 | Harold Mcfarland | 43 | Head | Section Hand | Indiana |
| 55 | Gladys Mcfarland | 42 | wife | — | Indiana |
| 56 | Harold Jr. Mcfarland | 10 | son | — | Indiana |
| 57 | Gerald Mcfarland | 2 | son | — | Indiana |
| 58 | Carroll Hazelbaker | 19 | son-in-law | Trucker | Indiana |
| 59 | Harry Kessler | 48 | Head | Foreman Machine Room | Indiana |
| 60 | Cecile Kessler | 47 | wife | — | Indiana |
| 61 | Merle Kessler | 24 | son | Machinist | Indiana |
| 62 | Frances Kessler | 19 | daughter | — | Indiana |
| 63 | Victor Pope | 26 | Head | Extra Help | Indiana |
| 64 | Mary Pope | 27 | wife | — | Indiana |
| 65 | Jane Ann Pope | 0 | daughter | — | Indiana |
| 66 | Zelda Stevens | 49 | Head | Laundress | Indiana |
| 67 | Leo Stevens | 25 | son | Odd Jobs | Indiana |
| 68 | Albert Stevens | 20 | son | Stone Mason | Indiana |
| 69 | Mary Katherine Stevens | 15 | daughter | — | Indiana |
| 70 | Lawrence Smith THIS PERSON | 30 | Head | W.P.A. Project | Indiana |
| 71 | Freda Smith | 30 | wife | — | Indiana |
| 72 | Dorothy Smith | 5 | daughter | — | Indiana |
| 73 | Otis Smith | 61 | Father | Landscape | Indiana |
| 74 | Lee Abernathy | 65 | Head | — | Indiana |
| 75 | Harry Abernathy | 59 | brother | — | Indiana |
| 76 | Grace Abernathy | 52 | sister | — | Indiana |
| 77 | Ada Abernathy | 50 | sister | Clerk | Indiana |
| 78 | Robert Laughlin | 48 | Head | Odd Jobs | Indiana |
| 79 | Mary Laughlin | 46 | wife | — | Indiana |
| 80 | Harry Nigh | 47 | Head | Blind Assistant | Indiana |
Pedigree Summary
Lawrence
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)