LM
Lawrence Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pike-County, Kentucky
Our Model Tree links this Lawrence Martin across the 1920, 1930 and 1940 US Censuses in Pike-County, Kentucky (XGBoost, ~Confirmed), with identified parents Harry & Henry — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pike-County, Kentucky |
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Some place |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grocery store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | No Hs 1 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Clerk |
| Township / Ward | Toler Comp |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Glenna Martin | Daughter | — | 15 | ~1925 |
| Lawrence Martin | Son | — | 21 | ~1919 |
| Lucille Martin | Other | — | 17 | ~1923 |
| Pearl Martin | Daughter | — | 19 | ~1921 |
| Sarah Martin | Spouse | — | 48 | ~1892 |
| Henry Martin | Head | — | 53 | ~1887 |
Census Appearances
1920
Pike, Kentucky
Son, age
Pike, Kentucky · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Pike, Kentucky
Son, age 11
Pike, Kentucky · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Pike-County, Kentucky
Son, age 21
Pike-County, Kentucky · implied b. ~1919 — 6 household members
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Some place |
| Occupation | Clerk |
| Industry | Grocery store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | No Hs 1 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Harry Martin (~0.92 confidence) and father Henry Martin (~0.92 confidence) and father Henry Martin (~0.92 confidence) and mother Sarah Martin (~0.92 confidence) and mother Sarah Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Martin
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Henry Martin
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Henry Martin
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Sarah Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Sarah Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Martin
Son · 1940 · age 21 · b. ~1919 · Kentucky
★ You are viewing this record
Sibling
Pearl Martin
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenna Martin
Sibling · 1940 · age 15
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 — Pike-County, Kentucky
Open full size
1940 US Federal Census — Pike-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01351-00326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ray Wiggins | 36 | Head | Assistant Farmer | West Va. |
| 42 | Dora Wiggins | 23 | Wife | — | Kentucky |
| 43 | James Ray Wiggins | 7 | Son | — | Kentucky |
| 44 | Douglas Lee Wiggins | 4 | Son | — | Kentucky |
| 45 | Erma Spriggs | 18 | Sister-in-law | New Worker | West Virginia |
| 46 | John Robinette | 28 | Head | Cake Shop | West Va. |
| 47 | Edna V. Robinette | 27 | Wife | — | Kentucky |
| 48 | Billy Gene Robinette | 8 | Son | — | Kentucky |
| 49 | Bobby Ray Robinette | 6 | Son | — | Kentucky |
| 50 | Henry Martin | 53 | Head | Miner | Kentucky |
| 51 | Sarah V. Martin | 48 | Wife | — | Kentucky |
| 52 | Pearl Martin | 19 | Daughter | — | Kentucky |
| 53 | Glenna May Martin | 15 | Daughter | — | Kentucky |
| 54 | Lawrence Martin THIS PERSON | 21 | Son | Clerk | Kentucky |
| 55 | Lucille Martin | 17 | Daughter-in-law | — | West Va. |
| 56 | Delbert Wiggins | 19 | Head | Dough Mixer | Kentucky |
| 57 | Rena V. Wiggins | 20 | Wife | — | Virginia |
| 58 | W. H. Alfrey | 47 | Head | Miner | Tennessee |
| 59 | Betty V. Alfrey | 38 | Wife | — | Tennessee |
| 60 | Luther Alfrey | 19 | Son | New Worker | Tennessee |
| 61 | Charles Alfrey | 14 | Son | — | Tennessee |
| 62 | Ethel Alfrey | 13 | Daughter | — | Kentucky |
| 63 | Willie Jean Alfrey | 6 | Son | — | Kentucky |
| 64 | Earl V. Jonnin | Tonnin | 42 | Head | Miner | Kentucky |
| 65 | Ida Jonnin | Tonnin | 35 | Wife | — | Virginia |
| 66 | Dorothy May Jonnin | Tonnin | 8 | Daughter | — | Kentucky |
| 67 | Delmer Lee | 36 | Head | Miner | Kentucky |
| 68 | Bessie V. Lee | 35 | Wife | — | Kentucky |
| 69 | Bruce Lee | 11 | Son | — | Indiana |
| 70 | Delmer Jr. Lee | 8 | Son | — | Kentucky |
| 71 | Juanita Lee | 5 | Daughter | — | Kentucky |
| 72 | Johnny Robert Lee | 3 | Son | — | Kentucky |
| 73 | Patty Sue Lee | 2 | Daughter | — | Kentucky |
| 74 | Carl Hoffman | 52 | Head | Miner | Germany |
| 75 | Catherine Hoffman | 42 | Wife | — | Germany |
| 76 | Carl Jr. Hoffman | 21 | Son | Runs Molding Machine | Kentucky |
| 77 | Algeria Hoffman | 19 | Daughter | — | Kentucky |
| 78 | Paul Hoffman | 12 | Son | — | Kentucky |
| 79 | Colleen Hoffman | 7 | Daughter | — | Kentucky |
| 80 | Phyllis Hoffman | 6 | Daughter | — | Kentucky |
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)