WD
William Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Calhoun-County, Michigan
Our Model Tree links this William Davis across the 1920, 1930 and 1940 US Censuses in Calhoun-County, Michigan (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Michigan |
| Surname | Davis |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Battle Creek City |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Occupation | Dayer |
| Industry | Food Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Dayer |
| Township / Ward | Battle Creek City |
| Est. Birth Year | ~1906 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Peggy Davis | Daughter | — | 5 | ~1935 |
| William Davis | Head | — | 34 | ~1906 |
| William Davis | Son | — | 1 | ~1939 |
| Marion Davis | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Calhoun, Michigan
Son, age 12
Calhoun, Michigan · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Calhoun, Michigan
Son, age 23
Calhoun, Michigan · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Indiana |
| Occupation | Fireman |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Calhoun-County, Michigan
Head, age 34
Calhoun-County, Michigan · implied b. ~1906 — 4 household members
| Surname | Davis |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Battle Creek City |
| 1935 Residence (County) | Calhoun |
| Occupation | Dayer |
| Industry | Food Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 720 |
| Highest Grade | No 8 |
| 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 Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Davis (~0.92 confidence) and father William Davis (~0.92 confidence) and mother Ruth Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Davis
b. ~1877
Source father
● Household
· direct · ~0.92
Father
William Davis
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Ruth Davis
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Davis
Head · 1940 · age 34 · b. ~1906 · 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 — Calhoun-County, Michigan
Open full size
1940 US Federal Census — Calhoun-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01736-00087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Basso | 55 | Head | Salesman | Illinois |
| 2 | Eva R. Basso | 50 | Wife | — | Michigan |
| 3 | Edwin Basso | 20 | Son | Trucker | Michigan |
| 4 | Ruth Basso | 16 | Daughter | — | Michigan |
| 5 | John Basso | 14 | Son | — | Michigan |
| 6 | David Basso | 6 | Son | — | Michigan |
| 7 | James Mulholland | 51 | Head | Barber | Indiana |
| 8 | Bessie M. Mulholland | 43 | Wife | — | Kansas |
| 9 | Robert Walker | 19 | Stepson | — | Michigan |
| 10 | Henry Coyer | 43 | Head | Plumber | Michigan |
| 11 | Florence Coyer | 44 | Wife | Packer | Michigan |
| 12 | Louis Coyer | 19 | Son | Milkman | Michigan |
| 13 | La Veda Coyer | 15 | Daughter | — | Michigan |
| 14 | George Q. Gaw | 27 | Head | Stripper | Indiana |
| 15 | Dorothy Gaw | 23 | Wife | — | Michigan |
| 16 | Nancy Gaw | 4 | Daughter | — | Michigan |
| 17 | William Gaw | 3 | Son | — | Michigan |
| 18 | Mary Q. Scamp | 55 | Head | — | Michigan |
| 19 | Basil Scamp | 18 | Son | Nursery Man | Michigan |
| 20 | Arthur Langbridge | 22 | Head | Truck Driver | Michigan |
| 21 | Lillian Langbridge | 27 | Wife | — | Indiana |
| 22 | Nelda Romine | 11 | Step daughter | — | Indiana |
| 23 | Roland Romine | 10 | Step son | — | Indiana |
| 24 | Billie Romine | 7 | Step son | — | Indiana |
| 25 | Charles Langbridge | 5 | Son | — | Indiana |
| 26 | John Anderson | 47 | Head | Kettle Man | Kentucky |
| 27 | Audrey Anderson | 49 | Wife | Nurse Child'S | Indiana |
| 28 | William M. Davis THIS PERSON | 34 | Head | Dayer | Michigan |
| 29 | Marion Davis | 34 | Wife | — | Michigan |
| 30 | Peggy Ann Davis | 5 | Daughter | — | Michigan |
| 31 | William Jr. Davis | 1 | Son | — | Michigan |
| 32 | David Q. Burrows | 59 | Head | Sheet Metal Worker | Michigan |
| 33 | Grace Burrows | 58 | Wife | — | Michigan |
| 34 | Jack Gray | 14 | Nephew | — | Michigan |
| 35 | Leroy Casterline | 37 | Head | Laborer | Michigan |
| 36 | Ileta Casterline | 29 | Wife | — | Minnesota |
| 37 | Robert Casterline | 19 | Son | Ambulance Driver | Michigan |
| 38 | Paul Austin | 32 | Head | Painter | Illinois |
| 39 | Fern Austin | 30 | Wife | — | Michigan |
| 40 | Kenneth Austin | 5 | Son | — | Michigan |
Pedigree Summary
William
Gen 1 · 3 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)