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John Dwyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · La-Crosse-County, Wisconsin
Our Model Tree links this John Dwyer across the 1930 and 1940 US Censuses in La-Crosse-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | La-Crosse-County, Wisconsin |
| Surname | Dwyer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | City La Crosse |
| 1935 Residence (County) | La Crosse |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | City La Crosse |
| Est. Birth Year | ~1921 |
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 |
|---|---|---|---|---|
| John Dwyer | Son | — | 19 | ~1921 |
| Elizabeth Dwyer | Spouse | — | 53 | ~1887 |
| Marion Dwyer | Daughter | — | 21 | ~1919 |
| Thomas Dwyer | Head | — | 57 | ~1883 |
| Robert Dwyer | Son | — | 23 | ~1917 |
| Margaret Dwyer | Daughter | — | 14 | ~1926 |
| Edward Dwyer | Son | — | 11 | ~1929 |
| Elizabeth Dwyer | Daughter | — | 16 | ~1924 |
Census Appearances
1930
La Crosse, …
Son, age 9
La Crosse, Wisconsin · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
La-Crosse-County, Wisconsin
Son, age 19
La-Crosse-County, Wisconsin · implied b. ~1921 — 8 household members
| Surname | Dwyer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | City La Crosse |
| 1935 Residence (County) | La Crosse |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Dwyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dwyer
Son · 1940 · age 19 · b. ~1921 · Wisconsin
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Sibling
Margaret Dwyer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Dwyer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dwyer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dwyer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Dwyer
Sibling · 1940 · age 21
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 — La-Crosse-County, Wisconsin
Open full size
1940 US Federal Census — La-Crosse-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04490-00814)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ole Graff | 63 | Head | Common Laborer | Norway |
| 42 | Thelma S Graff | 62 | Wife | — | Norway |
| 43 | Agnes Graff | 33 | Daughter | Supervisor | Wisconsin |
| 44 | Victor Graff | 37 | Son | Gage Tester | Wisconsin |
| 45 | Ivadell Graff | 20 | Daughter | Telephone Operator | Wisconsin |
| 46 | Hans S Nunnecke | 56 | Head | Garment Presser | Germany |
| 47 | Clyde S Cooper | 23 | Head | Bookkeeper | Wisconsin |
| 48 | Dorothy Cooper | 22 | Wife | — | Wisconsin |
| 49 | Larry Cooper | 2 | Son | — | Wisconsin |
| 50 | Frank Dietrich | 68 | Head | — | Wisconsin |
| 51 | Agatha S Dietrich | 63 | Wife | Garment Presser | Iowa |
| 52 | Alex Dietrich | 25 | Son | Brakeman | Wisconsin |
| 53 | Sylvia Dietrich | 23 | Daughter-in-law | — | Minnesota |
| 54 | Alex Junior Dietrich | 2 | Grandson | — | Wisconsin |
| 55 | Sadie Pope | 63 | Head | — | Wisconsin |
| 56 | Henzel S Olber | 36 | Head | Tool + Die Maker | Wisconsin |
| 57 | Madelyn Olber | 27 | Wife | — | Wisconsin |
| 58 | Thomas P Dwyer | 57 | Head | Steam Engineer | Indiana |
| 59 | Elizabeth S Dwyer | 53 | Wife | — | Minnesota |
| 60 | Robert Dwyer | 23 | Son | Bridge Building Carpenter | Wisconsin |
| 61 | Marion Dwyer | 21 | Daughter | — | Wisconsin |
| 62 | John Dwyer THIS PERSON | 19 | Son | — | Wisconsin |
| 63 | Elizabeth Dwyer | 16 | Daughter | — | Wisconsin |
| 64 | Margaret Dwyer | 14 | Daughter | — | Wisconsin |
| 65 | Edward Dwyer | 11 | Son | — | Wisconsin |
| 66 | Roy A Imbe | 43 | Head | Traveling Salesman | Illinois |
| 67 | Gladys Imbe | 33 | Wife | — | Wisconsin |
| 68 | Joyce Imbe | 2 | Daughter | — | Wisconsin |
| 69 | Louis Ferris | 58 | Head | Shoe Repairer | Syria |
| 70 | Alice S Ferris | 40 | Wife | — | Syria |
| 71 | Mary Ferris | 15 | Daughter | — | Wisconsin |
| 72 | Russell Ferris | 14 | Son | — | Wisconsin |
| 73 | Donald Ferris | 12 | Son | — | Wisconsin |
| 74 | Helen Ferris | 11 | Daughter | — | Wisconsin |
| 75 | Lewis Ferris | 9 | Son | — | Wisconsin |
| 76 | Joan Ferris | 8 | Daughter | — | Wisconsin |
| 77 | Edith Ferris | 7 | Daughter | — | Wisconsin |
| 78 | Roger Ferris | 5 | Son | — | Wisconsin |
| 79 | Richard Ferris | 0 | Son | — | Wisconsin |
| 80 | Lenord Ritter | 36 | Head | Timekeeper | Wisconsin |
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)