LS
Leonard Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macomb-County, Michigan
Our Model Tree links this Leonard Smith across the 1920, 1930 and 1940 US Censuses in Macomb-County, Michigan (XGBoost, ~Confirmed), with identified parents James & Percy — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macomb-County, Michigan |
| Surname | Smith |
| Given Name | Leonard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Clinton Twp |
| 1935 Residence (County) | Macomb |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Engineering |
| Class of Worker | PW |
| Hours Worked | 37 |
| Income (1939) | 1500 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Draftsman |
| Township / Ward | Clinton Twp |
| Est. Birth Year | ~1907 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Clarail Smith | Daughter | — | 6 | ~1934 |
| Leonard Smith | Head | — | 33 | ~1907 |
| Daisy Smith | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Wayne, Michigan
Son, age 11
Wayne, Michigan · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leonard |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 22
Wayne, Michigan · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Draftsman |
| Industry | Body Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Macomb-County, Michigan
Head, age 33
Macomb-County, Michigan · implied b. ~1907 — 3 household members
| Surname | Smith |
| Given Name | Leonard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Clinton Twp |
| 1935 Residence (County) | Macomb |
| Occupation | Draftsman |
| Industry | Engineering |
| Class of Worker | PW |
| Hours Worked | 37 |
| Income (1939) | 1500 |
| Highest Grade | 8 |
| 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 Leonard Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Smith (~0.92 confidence) and father Percy Smith (~0.92 confidence) and mother Ruby Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Percy Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Ruby Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Smith
Head · 1940 · age 33 · b. ~1907 · Michigan
★ 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 — Macomb-County, Michigan
Open full size
1940 US Federal Census — Macomb-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01782-00412)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara Joylene Martin | 57 | Wife | — | Michigan |
| 42 | Jules Martin | 25 | Son | Tire Builder | Michigan |
| 43 | Helen Martin | 25 | Daughter | Typist | Michigan |
| 44 | Arnelle Fox | 34 | Head | Painter | Michigan |
| 45 | Mildred Fox | 27 | Wife | — | Michigan |
| 46 | Richard Orville Fox | 11 | Son | — | Michigan |
| 47 | Leo Duber | 34 | Brother-in-law | Maintenance | Michigan |
| 48 | Glenn Cargill | 29 | Head | Salesman | Michigan |
| 49 | Ann Cargill | 27 | Wife | — | Michigan |
| 50 | Carol Ann Cargill | 2 | Daughter | — | Michigan |
| 51 | Lester Brown | 36 | Head | Salesman | Michigan |
| 52 | Maybelle Brown | 33 | Wife | — | Michigan |
| 53 | Mary Brown | 12 | Daughter | — | Michigan |
| 54 | William Brown | 8 | Son | — | Michigan |
| 55 | Elizabeth Brown | 7 | Daughter | — | Michigan |
| 56 | Shirley Brown | 3 | Daughter | — | Michigan |
| 57 | Walter Mendt | 37 | Head | Refrigeration | Michigan |
| 58 | Emely Mendt | 26 | Wife | — | Michigan |
| 59 | Clifford Albert | 33 | Head | Electrician | Illinois |
| 60 | Elsie Albert | 31 | Wife | — | Michigan |
| 61 | Donald Albert | 8 | Son | — | Michigan |
| 62 | Joan Albert | 1 | Daughter | — | Michigan |
| 63 | Leonard Smith THIS PERSON | 33 | Head | Draftsman | Michigan |
| 64 | Daisy Smith | 33 | Wife | — | Michigan |
| 65 | Clarail Smith | 6 | Daughter | — | Michigan |
| 66 | Columbus Mccartell | 72 | Head | — | Michigan |
| 67 | Mary Mccartell | 72 | Wife | — | Michigan |
| 68 | Henry Trambley | 47 | Head | Mason | Michigan |
| 69 | Elizabeth Trambley | 29 | Daughter | — | Michigan |
| 70 | Grant Ned Trambley | 4 | Grandson | — | Michigan |
| 71 | Moses Rattell | 91 | Uncle | — | Michigan |
| 72 | Otto Fersch | 50 | Head | Electrician | Michigan |
| 73 | Emma Fersch | 48 | Wife | Handler | Michigan |
| 74 | Annabelle Fersch | 25 | Daughter | — | Michigan |
| 75 | Elmer Mcpherson | 49 | Head | Electrical | Michigan |
| 76 | Mary Mcpherson | 50 | Wife | — | Michigan |
| 77 | Adele Mcpherson | 22 | Daughter | Fountain Girl | Michigan |
| 78 | Richard Upton | 62 | Head | Electrical | Pennsylvania |
| 79 | Florence Upton | 55 | Wife | — | New York |
| 80 | Elizabeth Upton | 23 | Daughter | — | Michigan |
Pedigree Summary
Leonard
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)