LS
Lawrence Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this Lawrence Smith across the 1920, 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed), with identified parents Harold & Lawrence — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | KANSAS CITY |
| 1935 Residence (County) | JACKSON |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | S 2 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Betty Smith | Daughter | — | 14 | ~1926 |
| Barbara Smith | Daughter | — | 8 | ~1932 |
| Harold Smith | Head | — | 43 | ~1897 |
| Lawrence Smith | Son | — | 20 | ~1920 |
| Faye Smith | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Jackson, Missouri
Son, age 1
Jackson, Missouri · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jackson, Missouri
Son, age 11
Jackson, Missouri · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Son, age 20
Jackson-County, Missouri · implied b. ~1920 — 5 household members
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | KANSAS CITY |
| 1935 Residence (County) | JACKSON |
| Income (1939) | 0 |
| Highest Grade | S 2 |
| 1935 Residence | Same House |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Harold Smith (~0.92 confidence) and father Lawrence Smith (~0.92 confidence) and mother Louise Smith (~0.92 confidence) and mother Mable Smith (~0.92 confidence) and mother Faye Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harold Smith
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Lawrence Smith
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Louise Smith
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Mable Smith
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Faye Smith
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Smith
Son · 1940 · age 20 · b. ~1920 · Missouri
★ You are viewing this record
Sibling
Barbara Smith
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Smith
Sibling · 1940 · age 14
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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02172-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Smith | 43 | Head | President | Missouri |
| 42 | Faye Smith | 40 | Wife | — | Illinois |
| 43 | Lawrence Smith THIS PERSON | 20 | Son | — | Missouri |
| 44 | Betty Faye Smith | 14 | Daughter | — | Missouri |
| 45 | Barbara Ann Smith | 8 | Daughter | — | Missouri |
| 48 | Paul M Fogel | 48 | Head | Contractor | Nebraska |
| 49 | Ruth S Fogel | 48 | Wife | — | Nebraska |
| 50 | William B. Prugh | 46 | Head | President | Pennsylvania |
| 51 | Vivian Prugh | 44 | Wife | — | Mississippi |
| 52 | Byron Prugh | 20 | Son | — | Missouri |
| 53 | Erma Terry | 55 | Head | — | Pennsylvania |
| 54 | Elmily A. Buersted | 80 | Mother | — | New York |
| 55 | Louis Kleeman | 78 | Head | — | Illinois |
| 56 | Eleanor Kleeman | 49 | Wife | Teacher | Ohio |
| 57 | Elizabeth Larsen | 63 | Maid | Maid-Cook | Colorado |
| 58 | Ethel M Donovan | 44 | Head | — | Missouri |
| 59 | James Donovan | 18 | Son | — | Missouri |
| 60 | Robert Donovan | 15 | Son | — | Missouri |
| 61 | Mary Ann Donovan | 7 | Daughter | — | Kentucky |
| 62 | Eugene Klose | 33 | Head | Pilot | Nebraska |
| 63 | Fern Klose | 30 | Wife | — | Missouri |
| 64 | Cheney Klose | 11 | Son | — | Missouri |
| 65 | Nellie Jane Klose | 5 | Daughter | — | New Jersey |
| 66 | John Klose | 4 | Son | — | New York |
| 67 | Ruby Cade | 28 | Maid | Maid-Cook | Texas |
| 68 | Horace Ward | 51 | Head | Vice President | Massachusetts |
| 69 | Electa Ward | 51 | Wife | — | Ohio |
| 70 | Patricia Ward | 12 | Daughter | — | Missouri |
| 71 | Anna Thomas | 21 | Servant | Maid-Cook | Missouri |
| 72 | Audley Norris | 43 | Head | Manager | Missouri |
| 73 | Louise Norris | 43 | Wife | Manager | Illinois |
| 74 | William Norris | 19 | Son | Bookkeeper | Missouri |
| 75 | Phyllis Norris | 19 | Daughter-in-law | — | Missouri |
| 76 | Monte Prewitt | 54 | Head | Attorney | Missouri |
| 77 | Mamie Prewitt | 45 | Wife | — | Kansas |
| 78 | Adalee Kinerd | 46 | Head | — | Missouri |
| 79 | Kerwin P. Kinerd | 21 | Son | — | Missouri |
| 80 | Adalee V Kinerd | 17 | Daughter | — | Missouri |
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)