LM
Lawrence Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dickinson-County, Kansas
Our Model Tree links this Lawrence Martin across the 1920, 1930 and 1940 US Censuses in Dickinson-County, Kansas (XGBoost, ~Confirmed), with identified parents Grover & Irvin — first a son (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dickinson-County, Kansas |
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Herington City |
| Additional Details | |
| Occupation | Laborer |
| Industry | Coca Cola Bottling Works |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 865 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | Herington City |
| Est. Birth Year | ~1911 |
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 Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Martin | Son | — | 29 | ~1911 |
| Irvin Martin | Head | — | 54 | ~1886 |
| Ida Martin | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Dickinson, Kansas
Son, age 9
Dickinson, Kansas · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Can Write | Yes |
| Speaks English | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Dickinson, Kansas
Son, age 19
Dickinson, Kansas · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Dickinson-County, Kansas
Son, age 29
Dickinson-County, Kansas · implied b. ~1911 — 3 household members
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Herington City |
| Occupation | Laborer |
| Industry | Coca Cola Bottling Works |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 865 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Grover Martin (~0.92 confidence) and father Irvin Martin (~0.92 confidence) and father Irvin Martin (~0.92 confidence) and mother Ida Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Grover Martin
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Irvin Martin
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Irvin Martin
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Ida Martin
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Martin
Son · 1940 · age 29 · b. ~1911 · Kansas
★ 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 — Dickinson-County, Kansas
Open full size
1940 US Federal Census — Dickinson-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01228-00602)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Helen Albright | 14 | Daughter | — | Oklahoma |
| 2 | Emil Albright | 56 | Head | Laborer | Kansas |
| 3 | Martha Albright | 49 | Wife | — | Kansas |
| 4 | Meta Albright | 22 | Daughter | Stenographer | Kansas |
| 5 | Edna Albright | 20 | Daughter | — | Kansas |
| 6 | Harry Albright | 17 | Son | — | Kansas |
| 7 | Lawrence Albright | 11 | Son | — | Kansas |
| 8 | Harry La Rue | 39 | Head | Locomotive Fireman | Kansas |
| 9 | Nora La Rue | 39 | Wife | — | Kansas |
| 10 | Marvin La Rue | 18 | Son | — | Kansas |
| 11 | Amos C. Orr | 63 | Head | — | Nebraska |
| 12 | Betty Orr | 67 | Wife | — | Germany |
| 13 | Charles J. Weld | 68 | Head | Telegrapher | Iowa |
| 14 | Cora Lou Weld | 60 | Wife | — | Illinois |
| 15 | Mary E. Clark | 67 | Sister-in-law | — | Illinois |
| 16 | Archie W. Hunt | 31 | Head | Part Owner & Editor | Kansas |
| 17 | Ruth Hunt | 30 | Wife | — | Missouri |
| 18 | Betty Ruth Hunt | 10 | Daughter | — | Kansas |
| 19 | Nancy Jean Hunt | 8 | Daughter | — | Kansas |
| 20 | Arch Billy Hunt | 3 | Son | — | Kansas |
| 21 | Larry Hunt | 1 | Son | — | Kansas |
| 22 | Avery C. Stitt | 32 | Head | Locomotive Fireman | Kansas |
| 23 | Opal L. Stitt | 31 | Wife | — | Kansas |
| 24 | Charles L. Stitt | 9 | Son | — | Kansas |
| 25 | Yvonne Stitt | 8 | Daughter | — | Kansas |
| 26 | Marvin Obermeyer | 22 | Head | Salesman | Kansas |
| 27 | Esther Obermeyer | 22 | Wife | — | Kansas |
| 28 | Eileen Obermeyer | 0 | Daughter | — | Kansas |
| 29 | Joe R. Morphew | 50 | Head | Bulk Agent | Illinois |
| 30 | Marion Morphew | 38 | Wife | — | Missouri |
| 31 | Margaret A. Morphew | 17 | Daughter | Stenographer | Missouri |
| 32 | Irvin J. Martin | 54 | Head | Brakeman (Train Service) | Missouri |
| 33 | Ida Martin | 51 | Wife | — | Iowa |
| 34 | Lawrence Martin THIS PERSON | 29 | Son | Laborer | Kansas |
| 35 | John Meanor | 41 | Head | Locomotive Fireman | Missouri |
| 36 | Helen Meanor | 32 | Wife | — | Kansas |
| 37 | Audrey Meanor | 9 | Daughter | — | Kansas |
| 38 | Gerald Meanor | 8 | Son | — | Kansas |
| 39 | Vance Weeks | 43 | Head | Implement Dealer | Kansas |
| 40 | Beatrice Weeks | 43 | Wife | — | Kansas |
Related Census Records
Pedigree Summary
Lawrence
Gen 1 · 4 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)