WD
William Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Huron-County, Michigan
Our Model Tree links this William Day across the 1910, 1920, 1930 and 1940 US Censuses in Huron-County, Michigan (XGBoost, ~Confirmed), with identified parents George & Maggie — first a head (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Huron-County, Michigan |
| Surname | Day |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Huron |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farmer |
| Township / Ward | Huron Twp |
| Est. Birth Year | ~1900 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Day | Head | — | 40 | ~1900 |
| Gerald Day | Son | — | 9 | ~1931 |
| Ralph Day | Son | — | 12 | ~1928 |
| Dale Day | Son | — | 14 | ~1926 |
| Robert Day | Son | — | 5 | ~1935 |
| George Day | Son | — | 3 | ~1937 |
| William Day | Son | — | 16 | ~1924 |
| Sarah Day | Spouse | — | 35 | ~1905 |
Census Appearances
1910
Huron, Michigan
Son, age 10
Huron, Michigan · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Huron, Michigan
Son, age 20
Huron, Michigan · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Huron, Michigan
Head, age 30
Huron, Michigan · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 23 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 128 |
| Radio Set | R |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Huron-County, Michigan
Head, age 40
Huron-County, Michigan · implied b. ~1900 — 8 household members
| Surname | Day |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Huron |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| 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 William Day across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Day (~0.92 confidence) and mother Maggie Day (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Day
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Maggie Day
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Day
Head · 1940 · age 40 · b. ~1900 · 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 — Huron-County, Michigan
Open full size
1940 US Federal Census — Huron-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01758-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theresa Yerke | 39 | wife | No | Michigan |
| 2 | Gertrude Yerke | 16 | daughter | Farm Laborer | Michigan |
| 3 | Viola Yerke | 15 | daughter | Farm Laborer | Michigan |
| 4 | Boris Yerke | 10 | daughter | — | Michigan |
| 5 | Janette Yerke | 7 | daughter | — | Michigan |
| 6 | Shirley Yerke | 1 | daughter | — | Michigan |
| 7 | Otto Koglin | 35 | Head | Farmer | Michigan |
| 8 | Clara Koglin | 30 | wife | No | Michigan |
| 9 | Leona Koglin | 12 | daughter | — | Michigan |
| 10 | Margaret Koglin | 10 | daughter | — | Michigan |
| 11 | Violet Koglin | 6 | daughter | — | Michigan |
| 12 | Annabelle Koglin | 4 | daughter | — | Michigan |
| 13 | Betty Lou Koglin | 1 | daughter | — | Michigan |
| 14 | William Day THIS PERSON | 40 | Head | Farmer | Michigan |
| 15 | Sarah Day | 35 | wife | No | Michigan |
| 16 | William Day | 16 | son | No | Michigan |
| 17 | Dale Day | 14 | son | Farm Laborer | Michigan |
| 18 | Ralph Day | 12 | son | — | Michigan |
| 19 | Gerald Day | 9 | son | — | Michigan |
| 20 | Robert Day | 5 | son | — | Michigan |
| 21 | George Day | 3 | son | — | Michigan |
| 22 | John Reinke | 83 | Head | No | Germany |
| 23 | Katherine Reinke | 73 | wife | No | Germany |
| 24 | William Bucholz | 29 | Head | Proprietor | Michigan |
| 25 | Ida Bucholz | 26 | wife | Clerk | Michigan |
| 26 | William Bucholz | 5 | son | — | Michigan |
| 27 | Karen Bucholz | 0 | daughter | — | Michigan |
| 28 | Ed Kucharczyk | 37 | Head | Proprietor | Michigan |
| 29 | Mary Kucharczyk | 29 | wife | Waitress | Michigan |
| 30 | Shirley Kucharczyk | 3 | daughter | — | Michigan |
| 31 | Otto Reinke | 35 | Head | Laborer | Michigan |
| 32 | Loretta Reinke | 30 | wife | No | Michigan |
| 33 | William Reinke | 9 | son | — | Michigan |
| 34 | Jackie Reinke | 8 | son | — | Michigan |
| 35 | Betty Lou Reinke | 4 | daughter | — | Michigan |
| 36 | Gerald Reinke | 1 | son | — | Michigan |
| 37 | William Reinke | 45 | Head | Farmer | Michigan |
| 38 | Anna Reinke | 34 | wife | Farm Laborer | Michigan |
| 39 | Melvin Reinke | 13 | son | — | Michigan |
| 40 | Robert Reinke | 9 | son | — | Michigan |
Pedigree Summary
William
Gen 1 · 2 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)