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Mary Mueller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Mary Mueller across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Female
Spouse
Born: Hungary
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Mueller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Nicholas Mueller | Head | — | 38 | ~1902 |
| Nicholas Mueller | Son | — | 14 | ~1926 |
| Joseph Mueller | Son | — | 10 | ~1930 |
| Mary Mueller | Spouse | — | 36 | ~1904 |
Census Appearances
1930
St Louis, …
Spouse, age 26
St Louis, Missouri · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Hungary |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 21 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1940
St.-Louis-City-County, Missouri
Spouse, age 36
St.-Louis-City-County, Missouri · implied b. ~1904 — 4 household members
| Surname | Mueller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Naturalization Status | Naturalized |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
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 Mueller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mueller
Spouse · 1940 · age 36 · b. ~1904 · Missouri
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Louis-City-County, Missouri
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1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02191-00635)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles R. Jr. Sebastian | 20 | Son | Machine Hand | Missouri |
| 2 | Ottilie Luehrmann | 65 | Head | — | Missouri |
| 3 | Ottilie Luehrmann | 36 | Daughter | Envelope Folder | Missouri |
| 5 | George Huebner | 38 | Head | Credit Man | Illinois |
| 6 | Anna Huebner | 38 | Wife | — | Illinois |
| 7 | Gladys Huebner | 11 | Daughter | — | Missouri |
| 8 | Bernice Huebner | 5 | Daughter | — | Missouri |
| 9 | Nicholas Mueller | 38 | Head | Meat Market | Hungary |
| 10 | Mary Mueller THIS PERSON | 36 | Wife | — | Hungary |
| 11 | Nicholas, Jr. Mueller | 14 | Son | — | Missouri |
| 12 | Joseph Mueller | 10 | Son | — | Missouri |
| 13 | Carl O. Hoffmann | 42 | Head | Contractor | Missouri |
| 14 | Elise S. Hoffmann | 43 | Wife | — | Missouri |
| 15 | Shirley Rea Hoffmann | 17 | Daughter | — | Missouri |
| 16 | Geraldine Ruth Hoffmann | 13 | Daughter | — | Missouri |
| 17 | Carl O. Jr. Hoffmann | 9 | Son | — | Missouri |
| 18 | Adelaide Helmreich | 78 | Aunt | — | Missouri |
| 19 | Albert Steimke | 54 | Brother-in-law | — | Missouri |
| 20 | Oliver Noch | 48 | Head | Mechanic | Illinois |
| 21 | Josephine Noch | 31 | Wife | — | Missouri |
| 22 | Genevieve Noch | 3 | Daughter | — | Missouri |
| 23 | David Noch | 1 | Son | — | Missouri |
| 24 | Ernest F. Ecker | 55 | Head | Machinist | Illinois |
| 25 | Margaret Ecker | 56 | Wife | — | Illinois |
| 26 | Charles Suttner | 35 | Step-son | Bottling Dept | Missouri |
| 27 | John Suttner | 33 | Step-son | Bottling Dept | Missouri |
| 28 | James Suttner | 30 | Step-son | — | Missouri |
| 29 | Erwin Roeder | 42 | Head | Sheet Metal & Iron Worker | Missouri |
| 30 | Esther Roeder | 41 | Wife | — | Missouri |
| 31 | Evelyn Roeder | 24 | Daughter | Beauty Operator | Missouri |
| 32 | Louis Roeder | 22 | Son | Artist | Missouri |
| 33 | Dorothy Roeder | 20 | Daughter | Cigarette Girl | Missouri |
| 34 | Erwin Jr. Roeder | 16 | Son | New Worker | Missouri |
| 35 | Monita Roeder | 8 | Daughter | — | Missouri |
| 36 | Robert Louis Roeder | 6 | Son | — | Missouri |
| 37 | Bertha Dickinson | 42 | Head | Office Cleaner | Missouri |
| 38 | Edward Dickinson | 21 | Son | Now In Us Navy | Missouri |
| 39 | Irene Lorene Dickinson | 19 | Daughter | New Worker | Missouri |
| 40 | Jean Bernice Dickinson | 15 | Daughter | New Worker | Missouri |
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)