CD
Charles Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sanilac-County, Michigan
Our Model Tree links this Charles Day across the 1920, 1930 and 1940 US Censuses in Sanilac-County, Michigan (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sanilac-County, Michigan |
| Surname | Day |
| Given Name | Charles O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Forester |
| 1935 Residence (County) | Sanilac |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farming |
| Township / Ward | Forester |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Day | Son | — | 24 | ~1916 |
| Charles Day | Head | — | 79 | ~1861 |
| Madeline Day | Daughter | — | 12 | ~1928 |
| Shirley Day | Daughter | — | 3 | ~1937 |
| Ercell Day | Spouse | — | 34 | ~1906 |
| Donna Day | Daughter | — | 9 | ~1931 |
| Albertha Day | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Sanilac, Michigan
Son, age 4
Sanilac, Michigan · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Charles J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Sanilac, Michigan
Son, age 14
Sanilac, Michigan · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Charles Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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 24
Sanilac-County, Michigan · implied b. ~1916 — 7 household members
| Surname | Day |
| Given Name | Charles O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Forester |
| 1935 Residence (County) | Sanilac |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| 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 Charles Day across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Day (~0.92 confidence) and father Charles Day (~0.92 confidence) and mother Albertha Day (~0.92 confidence) and mother Alberta Day (~0.92 confidence) and mother Alberta Day (~0.92 confidence) and mother Ercell Day (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Charles Day
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Charles Day
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Albertha Day
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Alberta Day
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Alberta Day
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Ercell Day
b. ~1906
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Charles Day
Son · 1940 · age 24 · b. ~1916 · Michigan
★ You are viewing this record
Sibling
Shirley Day
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Day
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Day
Sibling · 1940 · age 12
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-t0627-01818-00366)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | A. Maxwell | 12 | Son | — | Michigan |
| 2 | William J. Maxwell | 9 | Son | — | Michigan |
| 3 | Fred Westbury | 62 | Head | Farming | Michigan |
| 4 | Mary A. Westbury | 57 | Wife | Farming | Michigan |
| 5 | Junior A. Westbury | 17 | Son | Farming | Michigan |
| 6 | Betty J. Westbury | 14 | Daughter | — | Michigan |
| 7 | Axel Carlson | 36 | Head | Farming | North Dakota |
| 8 | Dora M. Carlson | 28 | Wife | Farming | Illinois |
| 9 | Darlene M. Carlson | 3 | Daughter | — | North Dakota |
| 10 | Merdean A. Carlson | 2 | Son | — | Michigan |
| 11 | Harry C. Armstrong | 72 | Head | Farming | Michigan |
| 12 | Janet Armstrong | 64 | Wife | Farming | Michigan |
| 13 | Fred K. Wadsworth | 42 | Head | Plasterer | New York |
| 14 | Freda R. Wadsworth | 43 | Wife | Farming | Ohio |
| 15 | Kenneth A. Wadsworth | 7 | Son | — | Michigan |
| 16 | Patricia A. Wadsworth | 5 | Daughter | — | Michigan |
| 17 | William H. Thomas | 46 | Head | Farming | Michigan |
| 18 | Helen M. Thomas | 33 | Wife | Farming | Michigan |
| 19 | Rosella M. Thomas | 13 | Daughter | — | Michigan |
| 20 | Lela M. Thomas | 11 | Daughter | — | Michigan |
| 21 | Albert E. Stover | 60 | Head | Farming | England |
| 22 | Victoria M. Stover | 50 | Wife | Farming | Michigan |
| 23 | Alala Stover | 28 | Daughter | Farming | Michigan |
| 24 | John H. Stoney | 52 | Head | Farming | Michigan |
| 25 | Dorothy M. Stoney | 16 | Daughter | Going To School | Michigan |
| 26 | Annabelle Stoney | 14 | Daughter | — | Michigan |
| 27 | Keith E. Stoney | 10 | Son | — | Michigan |
| 28 | Richard R. Day | 48 | Head | Farming | Michigan |
| 29 | Alice A. Day | 42 | Wife | Farming | Michigan |
| 30 | Ann M. Day | 13 | Daughter | — | Michigan |
| 31 | Dorothy R. Day | 11 | Daughter | — | Michigan |
| 32 | Barbara J. Day | 2 | Daughter | — | Michigan |
| 33 | Mary E. Day | 75 | Mother | House Work | Michigan |
| 34 | Charles H. Day | 79 | Head | Farming | Michigan |
| 35 | Albertha J. Day | 67 | Wife | Farming | Michigan |
| 36 | Charles O. Day THIS PERSON | 24 | Son | Farming | Michigan |
| 37 | Ercell M. Day | 34 | Wife | Housewife | Michigan |
| 38 | Madeline M. Day | 12 | Daughter | — | Michigan |
| 39 | Donna Gene Day | 9 | Daughter | — | Michigan |
| 40 | Shirley A. Day | 3 | Daughter | — | Michigan |
Related Census Records
Pedigree Summary
Charles + 3 siblings
Gen 1 · 6 parents
~0.87
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)