MS
Marvin Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sanilac-County, Michigan
Our Model Tree links this Marvin Smith across the 1930 and 1940 US Censuses in Sanilac-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sanilac-County, Michigan |
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Watertown |
| 1935 Residence (County) | Sanilac |
| Additional Details | |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Helper |
| Township / Ward | Watertown |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marvin | Age | Birth yr |
|---|---|---|---|---|
| Rival Smith | Son | — | 16 | ~1924 |
| Wayne Smith | Son | — | 10 | ~1930 |
| Juanita Smith | Daughter | — | 9 | ~1931 |
| Shirley Smith | Daughter | — | 4 | ~1936 |
| Minnie Smith | Head | — | 41 | ~1899 |
| Norman Smith | Son | — | 12 | ~1928 |
| Henry Smith | Son | — | 14 | ~1926 |
| Marvin Smith | Son | — | 20 | ~1920 |
| Beverly Smith | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Sanilac, Michigan
Son, age 11
Sanilac, Michigan · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marvin W |
| 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
Sanilac-County, Michigan
Son, age 20
Sanilac-County, Michigan · implied b. ~1920 — 9 household members
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Watertown |
| 1935 Residence (County) | Sanilac |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Marvin Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marvin Smith
Son · 1940 · age 20 · b. ~1920 · Michigan
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Sibling
Juanita Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rival Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Smith
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Smith
Sibling · 1940 · age 7
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 — Sanilac-County, Michigan
Open full size
1940 US Federal Census — Sanilac-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01818-00813)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Pearl Kinhol | 20 | Daughter | Sales Lady | Michigan |
| 42 | Elder Kinhol | 29 | Head | Farmer | Michigan |
| 43 | Velma Kinhol | 22 | Wife | — | Michigan |
| 44 | Dale Junior Kinhol | 3 | Son | — | Michigan |
| 45 | Duane Kinhol | 2 | Son | — | Michigan |
| 46 | Janice Kinhol | 1 | Daughter | — | Michigan |
| 47 | Harold Kinhol | 25 | Brother | Lineman | Michigan |
| 48 | Arland Kinhol | 17 | Brother | — | Michigan |
| 49 | Thomas Hunniford | 53 | Head | Mechanic | Austria |
| 50 | Mary Hunniford | 53 | Wife | — | Austria |
| 51 | John Hunniford | 23 | Son | New Worker | Michigan |
| 52 | Mary Hunniford | 20 | Daughter | — | Michigan |
| 53 | Stephen Hotos | 68 | Hired Hand | Laborer | Austria|Hungary |
| 54 | Minnie C. Smith | 41 | Head | Operator | Michigan |
| 55 | Marvin Smith THIS PERSON | 20 | Son | Helper | Michigan |
| 56 | Rival Smith | 16 | Son | Helper | Michigan |
| 57 | Henry Jr. Smith | 14 | Son | — | Michigan |
| 58 | Norman Smith | 12 | Son | — | Michigan |
| 59 | Wayne Smith | 10 | Son | — | Michigan |
| 60 | Juanita Smith | 9 | Daughter | — | Michigan |
| 61 | Beverly Smith | 7 | Daughter | — | Michigan |
| 62 | Shirley Smith | 4 | Daughter | — | Michigan |
| 63 | William J. Costine | 68 | Head | Broker | Scotland |
| 64 | Margaret M. Costine | 63 | Wife | — | Scotland |
| 65 | Joseph A. Redmond | 81 | Head | — | Canada |
| 66 | Frances Redmond | 75 | Wife | — | Michigan |
| 67 | Susie Denio | 66 | Sister-in-law | — | Michigan |
| 68 | Frieda Murphy | 17 | Granddaughter | Maid | Michigan |
| 69 | William Murphy | 14 | Grandson | — | Michigan |
| 70 | George Smith | 71 | Head | — | Scotland |
| 71 | Sarah Smith | 66 | Wife | — | Scotland |
| 72 | A. Earl Wedge | 34 | Head | Manager | Canada |
| 73 | Augusta Wedge | 32 | Wife | — | Michigan |
| 74 | Marshal Miller | 41 | Head | Farmer | Michigan |
| 75 | Neva Miller | 37 | Wife | — | Michigan |
| 76 | Maxine Miller | 14 | Daughter | — | Michigan |
| 77 | Audrey Miller | 13 | Daughter | — | Michigan |
| 78 | Reva Miller | 12 | Daughter | — | Michigan |
| 79 | Eugene Miller | 4 | Son | — | Michigan |
| 80 | John Balhoff | 79 | Head | — | Canada |
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)