JG
John Grimes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sanilac-County, Michigan
Our Model Tree links this John Grimes across the 1930 and 1940 US Censuses in Sanilac-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sanilac-County, Michigan |
| Surname | Grimes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Speaker twp |
| Additional Details | |
| Highest Grade | No 5 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Speaker Twp |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mabel Grimes | Spouse | — | 51 | ~1889 |
| Esther Grimes | Daughter | — | 18 | ~1922 |
| Thomas Grimes | Head | — | 50 | ~1890 |
| Lewis Grimes | Son | — | 22 | ~1918 |
| Donna Grimes | Daughter | — | 20 | ~1920 |
| John Grimes | Son | — | 12 | ~1928 |
| Annabelle Grimes | Daughter | — | 17 | ~1923 |
| Stewart Grimes | Son | — | 24 | ~1916 |
Census Appearances
1930
Sanilac, Michigan
Son, age 2
Sanilac, Michigan · implied b. ~1928 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | John N |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Sanilac-County, Michigan
Son, age 12
Sanilac-County, Michigan · implied b. ~1928 — 8 household members
| Surname | Grimes |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Speaker twp |
| Highest Grade | No 5 |
| 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 John Grimes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Grimes
Son · 1940 · age 12 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
Esther Grimes
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Grimes
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Grimes
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stewart Grimes
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Grimes
Sibling · 1940 · age 22
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-t0627-01818-00756)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Napoleon (Ab) Gabriau | 53 | Head | Foreman, Stock Dept | Massachusetts |
| 2 | Agnes Gabriau | 57 | Wife | — | Massachusetts |
| 3 | Mary Gabriau | 15 | daughter | — | Michigan |
| 4 | Paul Gabriau | 14 | Son | — | Michigan |
| 5 | Joseph (Ab) Kamon | 36 | Head | Body Assembler | Michigan |
| 6 | Mildred Kamon | 29 | Wife | — | West Virginia |
| 7 | Frank John | 70 | Father | Farmer | Poland |
| 8 | John John | 62 | Uncle | Farmer | Poland |
| 9 | Andrew Wrobel | 64 | Lodger | Farmer | Poland |
| 10 | Mike Tirhko | 23 | Head | Farmer | Canada-Eng |
| 11 | Clara Tirhko | 18 | Wife | — | Michigan |
| 12 | Jennie Tirhko | 2 | daughter | — | Michigan |
| 13 | Paul Tirhko | 25 | Brother | Spot Welder | Canada-Eng |
| 14 | Verne Lester | 25 | Head | Washer-Dyer | Michigan |
| 15 | Jeanne Lester | 20 | Wife | — | Michigan |
| 16 | James Lester | 0 | Son | — | Michigan |
| 17 | Robert, J. Mccoy | 50 | Head | Farmer | Michigan |
| 18 | Alice Mccoy | 48 | Sister | — | Michigan |
| 19 | Job Garbutt | 63 | Head | Farmer | Canada-Eng |
| 20 | Florence Garbutt | 62 | Wife | — | Canada-Eng |
| 21 | Jesse Donley | 58 | Head | — | Illinois |
| 22 | Ada Donley | 58 | Wife | — | Illinois |
| 23 | Clinton Badgero | 23 | Head | Farmer | Michigan |
| 24 | Golda Badgero | 23 | Wife | — | Michigan |
| 25 | Wallace Putney | 71 | Head | Farmer | Michigan |
| 26 | Bruce Putney | 37 | Son | Farmer | Michigan |
| 27 | Neva Putney | 33 | In Law | — | Michigan |
| 28 | Wallace Jr Putney | 5 | Grandson | — | Michigan |
| 29 | Robert Putney | 1 | Grandson | — | Michigan |
| 30 | Paul Pilot | 55 | Head | Farmer | Poland |
| 31 | Lodja Pilot | 56 | Wife | — | Poland |
| 32 | Mary Lou Tschankt | 5 | Grand-daughter | — | Michigan |
| 33 | Thomas Grimes | 50 | Head | Farmer | Michigan |
| 34 | Mabel Grimes | 51 | Wife | — | Michigan |
| 35 | Stewart Grimes | 24 | Son | Farmer | Michigan |
| 36 | Lewis Grimes | 22 | Son | Farmer | Michigan |
| 37 | Donna (Ab) Grimes | 20 | Daughter | Billing Clerk | Michigan |
| 38 | Esther Grimes | 18 | Daughter | — | Michigan |
| 39 | Annabelle Grimes | 17 | Daughter | — | Michigan |
| 40 | John Grimes THIS PERSON | 12 | Son | — | Michigan |
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)