WD
William Dwyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kalamazoo-County, Michigan
Our Model Tree links this William Dwyer across the 1930 and 1940 US Censuses in Kalamazoo-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kalamazoo-County, Michigan |
| Surname | Dwyer |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Kalamazoo City |
| 1935 Residence (County) | Kalamazoo |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Kalamazoo City |
| Est. Birth Year | ~1925 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Ruth Dwyer | Daughter | — | 20 | ~1920 |
| Rena Dwyer | Spouse | — | 45 | ~1895 |
| Phyllis Dwyer | Daughter | — | 12 | ~1928 |
| Barbara Dwyer | Daughter | — | 11 | ~1929 |
| William Dwyer | Son | — | 15 | ~1925 |
| Don Dwyer | Son | — | 22 | ~1918 |
| John Dwyer | Head | — | 50 | ~1890 |
Census Appearances
1930
Kalamazoo, Michigan
Son, age 5
Kalamazoo, Michigan · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Kalamazoo-County, Michigan
Son, age 15
Kalamazoo-County, Michigan · implied b. ~1925 — 7 household members
| Surname | Dwyer |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Kalamazoo City |
| 1935 Residence (County) | Kalamazoo |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Dwyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Dwyer
Son · 1940 · age 15 · b. ~1925 · Michigan
★ You are viewing this record
Sibling
Ruth Dwyer
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Dwyer
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Don Dwyer
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Dwyer
Sibling · 1940 · age 11
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 — Kalamazoo-County, Michigan
Open full size
1940 US Federal Census — Kalamazoo-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01772-00292)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jacob Potts | 41 | head | Owner | Michigan |
| 2 | Jennie Potts | 43 | wife | Clerk | Netherlands |
| 3 | Betty Potts | 19 | daughter | Clerk | Michigan |
| 4 | Jacob Potts | 17 | son | Clerk | Michigan |
| 5 | George Williams | 43 | head | Agent | England |
| 6 | Viola Williams | 43 | wife | Billing Clerk | Indiana |
| 7 | William Williams | 18 | son | — | Indiana |
| 8 | Jack Williams | 16 | son | — | Indiana |
| 9 | Kathleen Williams | 14 | daughter | — | Indiana |
| 10 | Roy Stimson | 23 | head | Clerk | Michigan |
| 11 | Agnes Stimson | 22 | wife | — | Michigan |
| 12 | Delmont Cole | 66 | head | Millwright | Wisconsin |
| 13 | Lina Cole | 63 | wife | — | Germany |
| 14 | John Dwyer | 50 | head | Commercial Artist | Michigan |
| 15 | Rena Dwyer | 45 | wife | Clerk | Michigan |
| 16 | Don Dwyer | 22 | son | Shipping Clerk | Michigan |
| 17 | Ruth Dwyer | 20 | daughter | Clerk | Michigan |
| 18 | William Dwyer THIS PERSON | 15 | son | — | Michigan |
| 19 | Phyllis Dwyer | 12 | daughter | — | Michigan |
| 20 | Barbara Dwyer | 11 | daughter | — | Michigan |
| 21 | Harry Weber | 45 | head | Tool Maker | Michigan |
| 22 | Naomi Weber | 42 | wife | — | Missouri |
| 23 | Harrison Weber | 17 | son | — | Michigan |
| 24 | Jack Weber | 16 | son | — | Michigan |
| 25 | Doris Weber | 14 | daughter | — | Michigan |
| 26 | Morris Weber | 12 | son | — | Michigan |
| 27 | Charles E. Van Auken | 50 | head | Owner | Michigan |
| 28 | Fannie O. Van Auken | 49 | wife | — | Michigan |
| 29 | Kenneth Yeakey | 25 | head | Brakeman | Michigan |
| 30 | Helen Yeakey | 24 | wife | Clerk | Michigan |
| 31 | Forest A. Weinberg | 40 | head | Proprietor | Michigan |
| 32 | Meda Weinberg | 40 | wife | Saleslady | Michigan |
| 33 | George Miyagawa | 33 | head | Proprietor | Hawaii |
| 34 | Myra Miyagawa | 28 | wife | Saleslady | Michigan |
| 35 | James Miyagawa | 9 | son | — | Michigan |
| 36 | Robert Miyagawa | 6 | son | — | Michigan |
| 37 | Howard Macnaughton | 31 | head | Machine Helper | Michigan |
| 38 | Francis Macnaughton | 27 | wife | — | Michigan |
| 39 | Sandra Ann Macnaughton | 4 | daughter | — | Michigan |
| 40 | Donald Witters | 23 | head | Factory Worker | Michigan |
Related Census Records
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)