LM
Lawrence Martin — 1940 US Census Record
Linked across censuses1940 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) — first a head (b.~1892), then head of a 4-person household.
Age 48
b. ~1892
Male
Head
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | S. Bend |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Occupation | Salesman |
| Industry | Nat. Cash Reg. Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2100 |
| Highest Grade | No 11 |
| 1935 Residence | Indiana |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Salesman |
| Township / Ward | Detroit |
| Est. Birth Year | ~1892 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Robert Martin | Son | — | 17 | ~1923 |
| Lawrence Martin | Head | — | 48 | ~1892 |
| Mildred Martin | Spouse | — | 43 | ~1897 |
| Lawrence Martin | Son | — | 22 | ~1918 |
Census Appearances
1920
Wayne, Michigan
Head, age 27
Wayne, Michigan · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Michigan |
| Occupation | Salesman |
| Industry | Cash Register Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Wayne, Michigan
Head, age 38
Wayne, Michigan · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Lawrence E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Michigan |
| Occupation | Salesman |
| Industry | Cash Registers |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $11,000 |
| Radio Set | R |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Wayne-County, Michigan
Head, age 48
Wayne-County, Michigan · implied b. ~1892 — 4 household members
| Surname | Martin |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | S. Bend |
| 1935 Residence (County) | St. Joseph |
| Occupation | Salesman |
| Industry | Nat. Cash Reg. Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2100 |
| Highest Grade | No 11 |
| 1935 Residence | Indiana |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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.
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This person
Anchor record
Lawrence Martin
Head · 1940 · age 48 · b. ~1892 · Michigan
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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-t0627-01870-00601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Ellis | 28 | Head | Manager | Illinois |
| 42 | Gertrude S Ellis | 28 | Wife | — | Ohio |
| 43 | Ronald Ellis | 1 | Son | — | Michigan |
| 44 | John Adriance | 22 | Lodger | Clerk | Michigan |
| 45 | Hubert Dalley | 50 | Head | Clerk | Michigan |
| 46 | Mary Dalley | 50 | Wife | — | Canada |
| 47 | Fred Fausone | 37 | Head | Stationary Engr. | Michigan |
| 48 | Lucille Fausone | 35 | Wife | — | Michigan |
| 49 | Robert Mckenzie | 33 | Head | Accountant | Canada |
| 50 | Alva Mckenzie | 31 | Wife | — | Canada |
| 51 | Cameron Mckenzie | 7 | Son | — | Canada |
| 52 | Ronald Mckenzie | 3 | Son | — | Michigan |
| 53 | Malcolm Mckenzie | 1 | Son | — | Michigan |
| 54 | Nelson Groh | 25 | Head | Carpenter | Michigan |
| 55 | Aileen Groh | 23 | Wife | — | Michigan |
| 56 | Sharon Groh | 1 | Daughter | — | Michigan |
| 57 | William O'Brien | 50 | Head | Mechanic | Michigan |
| 58 | Edith O'Brien | 50 | Wife | — | Michigan |
| 59 | Virginia O'Brien | 22 | Daughter | Switch Board Operator | Michigan |
| 60 | Ruth O'Brien | 19 | Daughter | Office Work | Michigan |
| 61 | Walter Shelley | 28 | Head | Traffic Mgr. | Michigan |
| 62 | Dorothy(X) Shelley | 26 | Wife | — | Michigan |
| 63 | Carole Shelley | 1 | Daughter | — | Michigan |
| 64 | Glenn Mallory | 41 | Head | Night Watchman | New York |
| 65 | Esther(X) Mallory | 41 | Wife | — | Michigan |
| 66 | Claude Wolcott | 42 | Head | Foreman | Michigan |
| 67 | Minnie Wolcott | 40 | Wife | — | Michigan |
| 68 | Albert Pollum | 46 | Head | Bricklayer | Michigan |
| 69 | Esther Pollum | 34 | Wife | — | Ohio |
| 70 | Ralph Roby | 36 | Head | Checker | Pennsylvania |
| 71 | Cassie Roby | 36 | Wife | — | Illinois |
| 72 | Earl Roby | 10 | Son | — | Michigan |
| 73 | Wildon Roby | 1 | Son | — | Michigan |
| 74 | Lawrence Martin THIS PERSON | 48 | Head | Salesman | Connecticut |
| 75 | Mildred Martin | 43 | Wife | — | Massachusetts |
| 76 | Lawrence Martin | 22 | Son | Office Work | Michigan |
| 77 | Robert Martin | 17 | Son | — | Michigan |
| 78 | Richard Belote | 26 | Head | Clerical | Michigan |
| 79 | Virginia(X) Belote | 25 | Wife | — | Michigan |
| 80 | Glenda Belote | 1 | Daughter | — | Michigan |
Related Census Records
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)