LM
Lawrence Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Lawrence Martin across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Louis & Rae — first a son (b.~1919), then head of a 11-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Martin |
| Given Name | Lawrence T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Electric Worker |
| Industry | Private Repair Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Electric Worker |
| Township / Ward | Detroit City |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Martin | Son | — | 21 | ~1919 |
| Leonard Martin | Son | — | 26 | ~1914 |
| Phyllis Martin | Daughter | — | 23 | ~1917 |
| Henry Kraph | Other | — | 76 | ~1864 |
| Rita Martin | Daughter | — | 18 | ~1922 |
| Bernadine Martin | Daughter | — | 14 | ~1926 |
| Joan Martin | Daughter | — | 10 | ~1930 |
| George Martin | Son | — | 24 | ~1916 |
| Louis Martin | Head | — | 52 | ~1888 |
| Rose Martin | Spouse | — | 51 | ~1889 |
| Marie Martin | Daughter | — | 16 | ~1924 |
Census Appearances
1920
Wayne, Michigan
Son, age 1
Wayne, Michigan · implied b. ~1919 — 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 | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 11
Wayne, Michigan · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 21
Wayne-County, Michigan · implied b. ~1919 — 11 household members
| Surname | Martin |
| Given Name | Lawrence T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Electric Worker |
| Industry | Private Repair Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Louis Martin (~0.92 confidence) and mother Rae Martin (~0.92 confidence) and mother Rose Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louis Martin
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Rae Martin
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Rose Martin
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Martin
Son · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Joan Martin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Martin
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Martin
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Martin
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Martin
Sibling · 1940 · age 18
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01865-00726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Poulat | 22 | Lodger | Checker | Michigan |
| 42 | Theofilos V Pappas | 47 | Head | Salesman | Turkey |
| 43 | Mary P Pappas | 51 | Wife | Saleslady | Turkey |
| 44 | Katherine Pappas | 24 | Daughter | Proofreader | Turkey |
| 45 | Nicholas Pappas | 17 | Son | — | Michigan |
| 46 | George Pappas | 11 | Son | — | Michigan |
| 47 | Fred H Cox | 52 | Head | Acetylene Welder | Indiana |
| 48 | Estie S Cox | 50 | Wife | — | Missouri |
| 49 | Haralambos Dimitriadis | 47 | Head | Spindle Operator | Turkey |
| 50 | Helen Dimitriadis | 43 | Wife | — | Turkey |
| 51 | James Dimitriadis | 11 | Son | — | Michigan |
| 52 | Nicholas Dimitriadis | 9 | Son | — | Michigan |
| 53 | Louis P Martin | 52 | Head | Truck Driver | Michigan |
| 54 | Rose Martin | 51 | Wife | — | Michigan |
| 55 | Leonard W Martin | 26 | Son | Supply Manager | Michigan |
| 56 | George P Martin | 24 | Son | Clerk & Waiter | Michigan |
| 57 | Phyllis M Martin | 23 | Daughter | — | Michigan |
| 58 | Lawrence T Martin THIS PERSON | 21 | Son | Electric Worker | Michigan |
| 59 | Rita G Martin | 18 | Daughter | — | Michigan |
| 60 | Marie D Martin | 16 | Daughter | — | Michigan |
| 61 | Bernadine M Martin | 14 | Daughter | — | Michigan |
| 62 | Joan Martin | 10 | Daughter | — | Michigan |
| 63 | Henry Kraph | 76 | Step father | — | Michigan |
| 64 | Romaine A Burke | 35 | Head | — | Michigan |
| 65 | Margaret M Burke | 15 | Daughter | — | Michigan |
| 66 | Robert L Burke | 13 | Son | — | Michigan |
| 67 | Donald M Burke | 3 | Son | — | Michigan |
| 68 | Arthur C Adams | 30 | Nephew | Truck Driver | Michigan |
| 69 | Harry J Abram | 32 | Head | Tool Crib Clerk | Michigan |
| 70 | Sophia M Abram | 41 | Wife | — | Michigan |
| 71 | Albert Rolfe | 34 | Head | — | Italy |
| 72 | Jennie Rolfe | 30 | Wife | — | Italy |
| 73 | Rose Rolfe | 15 | Daughter | — | Michigan |
| 74 | Eugene Rolfe | 13 | Son | — | Michigan |
| 75 | John Rolfe | 11 | Son | — | Michigan |
| 76 | Barbara Rolfe | 9 | Daughter | — | Michigan |
| 77 | Michel M Karem | 22 | Head | Stenographer | Canada English |
| 78 | Thelma C Karem | 23 | Wife | — | Canada English |
| 79 | Sam J Mazzola | 25 | Head | Assembler | Michigan |
| 80 | Laura M Mazzola | 27 | Wife | — | Michigan |
Related Census Records
Pedigree Summary
Lawrence + 7 siblings
Gen 1 · 3 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)