MF
Mary Fischer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dodge-County, Wisconsin
Our Model Tree links this Mary Fischer across the 1930 and 1940 US Censuses in Dodge-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dodge-County, Wisconsin |
| Surname | Fischer |
| Given Name | Mary Ann |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Williamstown township |
| 1935 Residence (County) | Dodge |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Williamstown Township |
| Est. Birth Year | ~1922 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Elaine Fischer | Daughter | — | 22 | ~1918 |
| Marcella Fischer | Daughter | — | 13 | ~1927 |
| Alvina Fischer | Spouse | — | 46 | ~1894 |
| Mary Fischer | Daughter | — | 18 | ~1922 |
| Walter Fischer | Head | — | 47 | ~1893 |
| Waldemar Fischer | Son | — | 16 | ~1924 |
| Elroy Fischer | Son | — | 11 | ~1929 |
| Adeline Fischer | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Dodge, Wisconsin
Daughter, age 9
Dodge, Wisconsin · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | Mary-Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dodge-County, Wisconsin
Daughter, age 18
Dodge-County, Wisconsin · implied b. ~1922 — 8 household members
| Surname | Fischer |
| Given Name | Mary Ann |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Williamstown township |
| 1935 Residence (County) | Dodge |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Fischer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Fischer
Daughter · 1940 · age 18 · b. ~1922 · Wisconsin
★ You are viewing this record
Sibling
Elroy Fischer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adeline Fischer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Waldemar Fischer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Fischer
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Fischer
Sibling · 1940 · age 13
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 — Dodge-County, Wisconsin
Open full size
1940 US Federal Census — Dodge-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04473-00785)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Prelligan | 8 | son | — | Wisconsin |
| 2 | Catherine Prelligan | 6 | daughter | — | Wisconsin |
| 3 | Peter Prelligan | 4 | son | — | Wisconsin |
| 4 | Albert Quelmann | 64 | Head | Farmer | Wisconsin |
| 5 | Hertha Quelmann | 58 | wife | — | Wisconsin |
| 6 | Harold Quelmann | 31 | son | Farm Laborer | Wisconsin |
| 7 | Walter Fischer | 47 | Head | Salesman | Wisconsin |
| 8 | Alvina Fischer | 46 | wife | — | Wisconsin |
| 9 | Elaine Fischer | 22 | daughter | Stenographer | Wisconsin |
| 10 | Mary Ann Fischer THIS PERSON | 18 | daughter | — | Wisconsin |
| 11 | Waldemar Fischer | 16 | son | — | Wisconsin |
| 12 | Adeline Fischer | 14 | daughter | — | Wisconsin |
| 13 | Marcella Fischer | 13 | daughter | — | Wisconsin |
| 14 | Elroy Fischer | 11 | son | — | Wisconsin |
| 15 | Clarence Brown | 45 | Head | Farmer | Wisconsin |
| 16 | Bertha Brown | 44 | wife | — | Wisconsin |
| 17 | Harold Brown | 23 | son | Laborer | Wisconsin |
| 18 | Harley Brown | 19 | son | Farm Laborer | Wisconsin |
| 19 | Ruth Brown | 17 | daughter | — | Wisconsin |
| 20 | Unice Brown | 14 | daughter | — | Wisconsin |
| 21 | Henry Wetzel | 44 | Head | Farmer | Wisconsin |
| 22 | Leona Wetzel | 44 | wife | — | Wisconsin |
| 23 | Lorraine Wetzel | 21 | daughter | — | Wisconsin |
| 24 | William Klemp | 46 | Head | Farmer | Wisconsin |
| 25 | Leona Klemp | 44 | wife | — | Wisconsin |
| 26 | Joe Wicke | 19 | Hired hand | Farm Laborer | Wisconsin |
| 27 | Adolph Schultz | 53 | Head | Road Commissioner And Farmer | Wisconsin |
| 28 | Mary Schultz | 52 | wife | — | Wisconsin |
| 29 | Reinhold Weber | 52 | Head | Farmer | Wisconsin |
| 30 | Marie Weber | 67 | sister | Housekeeping | Wisconsin |
| 31 | Martha Weber | 61 | sister | Housekeeping | Wisconsin |
| 32 | Albert Rasin | 24 | Hired hand | Farm Laborer | Wisconsin |
| 33 | Herbert Griese | 53 | Head | Rural Mail Carrier | Wisconsin |
| 34 | Anna Griese | 53 | wife | — | Wisconsin |
| 35 | Harvey Griese | 28 | son | Farmer | Wisconsin |
| 36 | Anna Griese | 25 | daughter in law | — | Wisconsin |
| 37 | Fredrick Griese | 7 | grandson | — | Wisconsin |
| 38 | Jerome Griese | 4 | grandson | — | Wisconsin |
| 39 | Marline Griese | 3 | granddaughter | — | Wisconsin |
| 40 | Wayne Griese | 1 | grandson | — | Wisconsin |
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)