LM
Lawrence Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Lawrence Martin across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 5-person household.
Age 68
b. ~1872
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Wilkesbarre City |
| Est. Birth Year | ~1872 |
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 |
|---|---|---|---|---|
| Lawrence Martin | Head | — | 68 | ~1872 |
| Ralph Martin | Son | — | 38 | ~1902 |
| Margaret Martin | Daughter | — | 43 | ~1897 |
| Margaret Martin | Spouse | — | 65 | ~1875 |
| William Martin | Son | — | 41 | ~1899 |
Census Appearances
1920
Luzerne, Pennsylvania
Head, age 47
Luzerne, Pennsylvania · implied b. ~1873 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Boilermaker |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Head, age 56
Luzerne, Pennsylvania · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Labor |
| Industry | Rail Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Head, age 68
Luzerne-County, Pennsylvania · implied b. ~1872 — 5 household members
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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.
Show:
This person
Anchor record
Lawrence Martin
Head · 1940 · age 68 · b. ~1872 · Pennsylvania
★ 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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03564-00113)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lawrence Martin THIS PERSON | 68 | Head | — | Pennsylvania |
| 2 | Margaret Martin | 65 | Wife | — | Pennsylvania |
| 3 | William Martin | 41 | Son | Laborer | Pennsylvania |
| 4 | Ralph Martin | 38 | Son | Secretary | Pennsylvania |
| 5 | Margaret Martin | 43 | Daughter | Saleslady | Pennsylvania |
| 6 | George Whipple | 62 | Head | Glazier | Pennsylvania |
| 7 | Stella Whipple | 58 | Wife | — | Pennsylvania |
| 8 | Ruth Thomas | 25 | Daughter | — | Pennsylvania |
| 9 | Howell Thomas | 26 | Son-in-law | Truck Driver | Pennsylvania |
| 10 | George Trout | 36 | Head | Miner | Pennsylvania |
| 11 | Kathleen Trout | 40 | Wife | — | Pennsylvania |
| 12 | John Emmert | 29 | Head | Machine Runner | Pennsylvania |
| 13 | Harold Lauer | 29 | Head | Laborer | Pennsylvania |
| 14 | Helen Lauer | 25 | Wife | — | Pennsylvania |
| 15 | Harold Jr. Lauer | 9 | Son | — | Pennsylvania |
| 16 | Charles Lauer | 7 | Son | — | Pennsylvania |
| 17 | Joan Lauer | 4 | Daughter | — | Pennsylvania |
| 18 | Barbara Lauer | 0 | Daughter | — | Pennsylvania |
| 19 | Gerald Gardner | 24 | Sister | — | Pennsylvania |
| 20 | Blanche Gardner | 5 | Niece | — | Pennsylvania |
| 21 | Elinore Gardner | 3 | Niece | — | Pennsylvania |
| 22 | — | None | — | — | — |
| 23 | Margaret Mchugh | 54 | Head | — | Pennsylvania |
| 24 | Marion Mchugh | 28 | Daughter | Saleslady | Pennsylvania |
| 25 | Stephen Mchugh | 24 | Son | Laborer | Pennsylvania |
| 26 | James Brawley | 37 | Head | Laborer | Pennsylvania |
| 27 | Elizabeth Brawley | 34 | Wife | — | Pennsylvania |
| 28 | Mary Brawley | 9 | Daughter | — | Pennsylvania |
| 29 | James Jr. Brawley | 5 | Son | — | Pennsylvania |
| 30 | George Savage | 65 | Head | Laborer | New York |
| 31 | Mary Davis | 52 | Sister | — | Pennsylvania |
| 32 | Thomas Davis | 28 | Uncle | Construction | Pennsylvania |
| 33 | Charles Kirwan | 47 | Head | Laborer | Pennsylvania |
| 34 | Margaret Kirwan | 46 | Wife | — | Pennsylvania |
| 35 | Margaret Kirwan | 18 | Daughter | New Worker | Pennsylvania |
| 36 | Helen Kirwan | 16 | Daughter | — | Pennsylvania |
| 37 | George Kirwan | 11 | Son | — | Pennsylvania |
| 38 | Samuel Dunar | 61 | Head | Proprietor | Czechoslovakia |
| 39 | Julia Dunar | 51 | Wife | — | Czechoslovakia |
| 40 | Paul Dunar | 25 | Son | Brakeman Motor | Czechoslovakia |
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)