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Mary Muller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kossuth-County, Iowa
Our Model Tree links this Mary Muller across the 1930 and 1940 US Censuses in Kossuth-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kossuth-County, Iowa |
| Surname | Muller |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Lotto Creek |
| 1935 Residence (County) | Kossuth |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Lotto Creek |
| Est. Birth Year | ~1930 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Muller | Daughter | — | 8 | ~1932 |
| Orville Muller | Son | — | 13 | ~1927 |
| Anna Muller | Spouse | — | 41 | ~1899 |
| Mary Muller | Daughter | — | 10 | ~1930 |
| Ruth Muller | Daughter | — | 12 | ~1928 |
| Vernon Muller | Son | — | 9 | ~1931 |
| Henry Muller | Head | — | 51 | ~1889 |
Census Appearances
1930
Kossuth, Iowa
Daughter, age
Kossuth, Iowa · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Muller |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Kossuth-County, Iowa
Daughter, age 10
Kossuth-County, Iowa · implied b. ~1930 — 7 household members
| Surname | Muller |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Lotto Creek |
| 1935 Residence (County) | Kossuth |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Muller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Muller
Daughter · 1940 · age 10 · b. ~1930 · Iowa
★ You are viewing this record
Sibling
Ruth Muller
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Muller
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orville Muller
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Muller
Sibling · 1940 · age 8
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 — Kossuth-County, Iowa
Open full size
1940 US Federal Census — Kossuth-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01173-00538)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Hammond | 23 | Son | Farming | Iowa |
| 2 | Aug Racher | 47 | Hired hand | Farm Laborer | Germany |
| 3 | Wm B Leininger | 57 | Head | Farmer | Ohio |
| 4 | Areta Leininger | 43 | Wife | — | Iowa |
| 5 | Lois Leininger | 15 | Daughter | — | Iowa |
| 6 | John Leininger | 5 | Son | — | Iowa |
| 7 | Harlan Leininger | 1 | Son | — | Iowa |
| 8 | John H Farrel | 36 | Head | Farmer | Iowa |
| 9 | Ethel Farrel | 33 | Wife | — | Iowa |
| 10 | John Dennis Farrel | 12 | Son | — | Iowa |
| 11 | James Francis Farrel | 10 | Son | — | Mich |
| 12 | Pat Farrel | 5 | Son | — | Iowa |
| 13 | John O Reding | 63 | Head | Farmer | Luxemburg |
| 14 | Mary Reding | 72 | Wife | — | Luxemburg |
| 15 | Helen Reding | 48 | Daughter | — | Luxemburg |
| 16 | Alice Reding | 45 | Daughter | — | Luxemburg |
| 17 | Mary Ann Reding | 3 | Daughter | — | Iowa |
| 18 | Henry O Muller | 51 | Head | Farmer | Ill |
| 19 | Anna Muller | 41 | Wife | — | Iowa |
| 20 | Orville Muller | 13 | Son | — | Iowa |
| 21 | Ruth Ann Muller | 12 | Daughter | — | Iowa |
| 22 | Mary Jane Muller THIS PERSON | 10 | Daughter | — | Iowa |
| 23 | Vernon Muller | 9 | Son | — | Iowa |
| 24 | Betty Muller | 8 | Daughter | — | Iowa |
| 25 | I L Pickard | 56 | Head | Farmer | Iowa |
| 26 | Anna Mae Pickard | 53 | Wife | — | Ill |
| 27 | Garnet Pickard | 18 | Son | Farm | Iowa |
| 28 | James A Crawford | 67 | Head | Farmer | Mo |
| 29 | George Crawford | 68 | Brother | Farmer | Mo |
| 30 | Flora Crawford | 64 | Wife | — | Iowa |
| 31 | Donald Crawford | 32 | Son | Farmer | Iowa |
| 32 | Clifford Crawford | 29 | Son | Farmer | Iowa |
| 33 | P H Stainbrook | 53 | Head | Matress Rebuilder | Ill |
| 34 | Mary E Stainbrook | 48 | Wife | — | Ill |
| 35 | Rogers, Doris Stainbrook | 56 | Hired hand | Farm Laborer | Iowa |
| 36 | Charles Hallach | 46 | Head | Farmer | Ill |
| 37 | Kathryn Hallach | 41 | Wife | — | Iowa |
| 38 | Mary Josephine Hallach | 16 | Daughter | — | Iowa |
| 39 | James Charles Hallach | 13 | Son | — | Iowa |
| 40 | Paul Wm Hallach | 12 | Son | — | Iowa |
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)