MD
Mary Dwyer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · La Crosse, Wisconsin
Our Model Tree links this Mary Dwyer across the 1930 and 1940 US Censuses in La Crosse, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 10-person household.
Age 11
b. ~1919
Female
Daughter
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | La Crosse, Wisconsin |
| Surname | Dwyer |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | La Crosse City |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Dwyer | Other | — | 44 | ~1886 |
| Margaret Dwyer | Daughter | — | 4 | ~1926 |
| Mary Dwyer | Daughter | — | 11 | ~1919 |
| James Dwyer | Son | — | 15 | ~1915 |
| Robert Dwyer | Son | — | 13 | ~1917 |
| James Dwyer | Other | — | 78 | ~1852 |
| Elizabeth Dwyer | Daughter | — | 6 | ~1924 |
| Thomas Dwyer | Head | — | 42 | ~1888 |
| John Dwyer | Son | — | 9 | ~1921 |
| Edward Dwyer | Son | — | 1 | ~1929 |
Census Appearances
1930
La Crosse, …
Daughter, age 11
La Crosse, Wisconsin · implied b. ~1919 — 10 household members
| Surname | Dwyer |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Daughter, age 21
La-Crosse-County, Wisconsin · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| 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 Mary Dwyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dwyer
Daughter · 1930 · age 11 · b. ~1919 · Wisconsin
★ You are viewing this record
Sibling
Elizabeth Dwyer
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dwyer
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dwyer
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dwyer
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dwyer
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Dwyer
Sibling · 1930 · age 4
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
1930 US Federal Census — La Crosse, Wisconsin
Open full size
1930 US Federal Census — La Crosse, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2579unit:0050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie Birnbaum | 60 | Mother | — | Minnesota |
| 2 | William H. Vanderbilt | 47 | Head | Barber | Wisconsin |
| 3 | Stella M. Vanderbilt | 37 | Wife-H | — | Illinois |
| 4 | Dorothy M. Vanderbilt | 15 | Daughter | — | Wisconsin |
| 5 | Wilma E. Vanderbilt | 11 | Daughter | — | Wisconsin |
| 6 | William H. Jr. Vanderbilt | 2 | Son | — | Wisconsin |
| 7 | Valentine J. Smith | 55 | Head | Engineer | Wisconsin |
| 8 | Olive S. Smith | 53 | Wife-H | — | Minnesota |
| 9 | Eloise G. Smith | 22 | Daughter | Clerical | Wisconsin |
| 10 | Raymond V. Smith | 18 | Son | — | Wisconsin |
| 11 | Alice G. Smith | 12 | Daughter | — | Wisconsin |
| 12 | Ole F. Graff | 53 | Head | Mason | Norway |
| 13 | Albertina Graff | 52 | Wife-H | — | Norway |
| 14 | Agnes V. Graff | 23 | Daughter | Operator | Wisconsin |
| 15 | Isabell B. Graff | 10 | Daughter | — | Wisconsin |
| 16 | Ebert J. Nelson | 37 | Head | Laborer | Wisconsin |
| 17 | Edna O. Nelson | 34 | Wife-H | — | Wisconsin |
| 18 | Evelyn V. Nelson | 15 | Daughter | — | Wisconsin |
| 19 | Raymond L. Nelson | 12 | Son | — | Wisconsin |
| 20 | Eileen M. Nelson | 10 | Daughter | — | Wisconsin |
| 21 | Stanley A. Nelson | 9 | Son | — | Wisconsin |
| 22 | Donald W. Nelson | 3 | Son | — | Wisconsin |
| 23 | Frank P. Schumacher | 67 | Head | Janitor | Minnesota |
| 24 | Clara M. Schumacher | 53 | Wife-H | — | Iowa |
| 25 | Roy Schumacher | 18 | Son | Clerk | Wisconsin |
| 26 | Frank W. Schumacher | 17 | Son | — | Wisconsin |
| 27 | Edwin Schumacher | 15 | Son | — | Wisconsin |
| 28 | Clara D. Schumacher | 13 | Daughter | — | Wisconsin |
| 29 | Robert G. Schumacher | 7 | Son | — | Wisconsin |
| 30 | John Gohlt | 50 | Lodger | Laborer | Germany |
| 31 | Frank H. Pope | 70 | Head | — | Iowa |
| 32 | Sadie M. Pope | 53 | Wife-H | — | Wisconsin |
| 33 | Kenneth Schwartz | 28 | Head | Switchman | Minnesota |
| 34 | Fern Schwartz | 23 | Wife-H | — | Wisconsin |
| 35 | Thomas P. Dwyer | 42 | Head | Engineer | Indiana |
| 36 | Elizabeth A. Dwyer | 44 | Wife-H | — | Minnesota |
| 37 | James P. Dwyer | 15 | Son | — | Wisconsin |
| 38 | Robert E. Dwyer | 13 | Son | — | Wisconsin |
| 39 | Mary Ann Dwyer THIS PERSON | 11 | Daughter | — | Wisconsin |
| 40 | John Dwyer | 9 | Son | — | Wisconsin |
| 41 | Elizabeth A. Dwyer | 6 | Daughter | — | Wisconsin |
| 42 | Margaret M. Dwyer | 4 | Daughter | — | Wisconsin |
| 43 | Edward J. Dwyer | 1 | Son | — | Wisconsin |
| 44 | James Dwyer | 78 | Father | — | Ireland |
| 45 | John J. Rouse | 64 | Head | Engineer | Missouri |
| 46 | Anna M. Rouse | 63 | Wife-H | — | Missouri |
| 47 | Louis Ferris | 50 | Head | Cobbler | Syria |
| 48 | Alice Ferris | 32 | Wife-H | — | Syria |
| 49 | Mary S. Ferris | 5 | Daughter | — | Wisconsin |
| 50 | Russell L. Ferris | 2 | Son | — | Wisconsin |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)