DS
David Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this David Smith across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents John & David — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Smith |
| Given Name | David H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Grosse Pointe Park Village |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Accountant |
| Industry | Rubber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Accountant |
| Township / Ward | Grosse Pointe Park Village |
| Est. Birth Year | ~1916 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Hilda Smith | Daughter | — | 19 | ~1921 |
| David Smith | Head | — | 50 | ~1890 |
| David Smith | Son | — | 24 | ~1916 |
| Violet Smith | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Wayne, Michigan
Son, age 6
Wayne, Michigan · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Wayne, Michigan
Son, age 15
Wayne, Michigan · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1919 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Wayne-County, Michigan
Son, age 24
Wayne-County, Michigan · implied b. ~1916 — 4 household members
| Surname | Smith |
| Given Name | David H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Grosse Pointe Park Village |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Occupation | Accountant |
| Industry | Rubber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 David Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Smith (~0.92 confidence) and father David Smith (~0.92 confidence) and mother Violet Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Father
David Smith
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Violet Smith
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Smith
Son · 1940 · age 24 · b. ~1916 · Michigan
★ You are viewing this record
Sibling
Hilda Smith
Sibling · 1940 · age 19
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
38 people indexed on this census page (nara:1940:m-t0627-01829-00153)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Bettencourt | 30 | Wife | Seamstress | Belgium |
| 42 | Adrian Bettencourt | 31 | Head | Electrician | Belgium |
| 43 | Ernestine Bettencourt | 29 | Wife | — | Belgium |
| 44 | Mary Bettencourt | 15 | Daughter | — | Michigan |
| 45 | Margaret Bettencourt | 13 | Daughter | — | Michigan |
| 46 | Raymond Loeffler | 21 | Head | Butcher | Michigan |
| 47 | Margaret Loeffler | 22 | Wife | — | Michigan |
| 48 | David Smith | 50 | Head | Tool Maker | Scotland |
| 49 | Violet Smith | 49 | Wife | — | Scotland |
| 50 | David H Smith THIS PERSON | 24 | Son | Accountant | Scotland |
| 51 | Hilda M Smith | 19 | Daughter | New Worker | Massachusetts |
| 52 | Henry F Dromsh | 26 | Head | Price Clerk | Michigan |
| 53 | Jean E Dromsh | 24 | Wife | Stenographer | Belgium |
| 54 | Jack Drew | 45 | Head | Teacher | Michigan |
| 55 | Clara Drew | 43 | Wife | — | Michigan |
| 56 | Clara Drew | 17 | Daughter | — | Michigan |
| 57 | Jack Drew | 14 | Son | — | Michigan |
| 58 | William Drew | 10 | Son | — | Michigan |
| 59 | Leland S Stocking | 34 | Head | Painter Repair | Michigan |
| 60 | Helen Stocking | 33 | Wife | — | Ohio |
| 61 | Loraine Stocking | 12 | Daughter | — | Michigan |
| 63 | Joseph Cook | 58 | Head | Superintendent | Ohio |
| 64 | Vela A Cook | 53 | Wife | — | Ohio |
| 65 | Joseph Cook | 20 | Son | Machinist | Michigan |
| 66 | Gustave Serruys | 51 | Head | Carpenter | Belgium |
| 67 | Charlotte Serruys | 49 | Wife | — | France |
| 68 | Jocelin Serruys | 17 | Daughter | — | Michigan |
| 69 | William De Barker | 45 | Head | Cashier | Michigan |
| 70 | Runetta De Barker | 40 | Wife | — | Michigan |
| 71 | Mary Ellen De Barker | 16 | Daughter | — | Michigan |
| 72 | William R Jr De Barker | 14 | Son | — | Michigan |
| 73 | Joanne De Barker | 12 | Daughter | — | Michigan |
| 74 | Paul De Barker | 6 | Son | — | Michigan |
| 75 | Carol De Barker | 3 | Daughter | — | Michigan |
| 76 | Chester Ricker | 52 | Head | Mechanic | Massachusetts |
| 77 | Margaret Ricker | 55 | Wife | — | West Virginia |
| 78 | Charles Ricker | 25 | Son | — | Indiana |
| 79 | Madalyn Ricker | 14 | Daughter | — | Indiana |
Pedigree Summary
David + 1 sibling
Gen 1 · 4 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)