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Mary Mueller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Solano-County, California
Our Model Tree links this Mary Mueller across the 1930 and 1940 US Censuses in Solano-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 14-person household.
Age 55
b. ~1885
Female
Spouse
Born: Italy
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Solano-County, California |
| Surname | Mueller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Italy |
| 1935 Residence (City) | Vacaville Township |
| 1935 Residence (County) | Solano |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Italy |
| Birthplace (normalized) | italy |
| Township / Ward | Vacaville Township |
| Est. Birth Year | ~1885 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jessie Bregney | Daughter | — | 15 | ~1925 |
| Head Mueller-George J | Other | — | — | |
| Mary Mueller | Spouse | — | 55 | ~1885 |
| Marion Gorgone | Son | — | 23 | ~1917 |
| John Piddio | Other | — | 45 | ~1895 |
| Theodore Bregney | Son | — | 15 | ~1925 |
| Florence Marina | Daughter | — | 26 | ~1914 |
| Bernie Bregney | Son | — | 4 | ~1936 |
| Josephine Bregney | Daughter | — | 18 | ~1922 |
| Lucile Mueller | Daughter | — | 18 | ~1922 |
| Jennie Bregney | Daughter | — | 9 | ~1931 |
| Fredrick Mueller | Son | — | 16 | ~1924 |
| Ramona Bregney | Daughter | — | 13 | ~1927 |
| Alberta Bregney | Daughter | — | 22 | ~1918 |
Census Appearances
Spouse, age 44
Solano, California · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Muller |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Italy |
| Naturalization Status | Un |
| Year of Immigration | 1929 |
| Age at First Marriage | 35 |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Italian |
| Birth Country | Italy |
| Birthplace (normalized) | italy |
1940
Solano-County, California
Spouse, age 55
Solano-County, California · implied b. ~1885 — 14 household members
| Surname | Mueller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Italy |
| 1935 Residence (City) | Vacaville Township |
| 1935 Residence (County) | Solano |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Italy |
| Birthplace (normalized) | italy |
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 55 · b. ~1885 · California
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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 — Solano-County, California
Open full size
1940 US Federal Census — Solano-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00347-00541)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alberta Bregney | 22 | Daughter | Laborer | Mexico |
| 42 | Josephine Bregney | 18 | Daughter | Laborer | Kansas |
| 43 | Theodore Bregney | 15 | Son | — | Wyoming |
| 44 | Jessie Bregney | 15 | Daughter | — | Nebraska |
| 45 | Ramona Bregney | 13 | Daughter | — | Nebraska |
| 46 | Jennie Bregney | 9 | Daughter | — | Nebraska |
| 47 | Bernie Bregney | 4 | Son | — | Nebraska |
| 48 | Head Mueller-George J. | None | M | Farming | — |
| 49 | Mary Mueller THIS PERSON | 55 | Wife | — | Italy |
| 50 | Lucile Mueller | 18 | Daughter | — | California |
| 51 | Fredrick L. Mueller | 16 | Son | — | California |
| 52 | Florence Marina | 26 | Daughter | Housework | California |
| 53 | Marion Gorgone | 23 | Son | — | California |
| 54 | John Piddio | 45 | Boarder | Laborer | Italy |
| 55 | William Dowling | 50 | Head | Laborer | California |
| 56 | Joseph W. Berty | 42 | Head | Laborer | California |
| 57 | Carmela M. Berty | 27 | Wife | — | California |
| 58 | Iris M. Berty | 7 | Daughter | — | California |
| 59 | Joseph W. Berty | 3 | Son | — | California |
| 60 | George W. Carr | 78 | Head | — | England |
| 61 | Daisy Carr | 63 | Wife | — | Oregon |
| 62 | Stephen Krista | 64 | Head | Fruit Grower | Rumania |
| 63 | Rosa Krista | 58 | Wife | — | Rumania |
| 64 | Fortunato Moresco | 62 | Head | Fruit Grower | Italy |
| 65 | Pasquale Altieri | 71 | Head | — | Italy |
| 66 | Florence Altieri | 70 | Wife | — | Italy |
| 67 | Domenico Turchese | 82 | Head | — | Italy |
| 68 | Genevieve Turchese | 37 | Daughter | — | California |
| 69 | Antone J. Alameda | 59 | Head | Fruit Grower | California |
| 70 | Alex Basquez | 30 | Head | Laborer | Mexico |
| 71 | Carmen Basquez | 22 | Wife | — | Texas |
| 72 | Clidora Basquez | 4 | Daughter | — | California |
| 73 | Albert Basquez | 2 | Son | — | California |
| 74 | Nicola Siciliano | 41 | Head | Farmer | Italy |
| 75 | Josephine Siciliano | 39 | Wife | — | Italy |
| 76 | Casimiro Lo Polito | 62 | Head | Fruit Grower | Italy |
| 77 | Mary Lo Polito | 52 | Wife | — | Italy |
| 78 | Francisco Lo Polito | 29 | Son | Fruit Grower | California |
| 79 | Lucia Lo Polito | 24 | Daughter | Stenographer | California |
| 80 | Narcissa Barrett | 78 | Head | — | Missouri |
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)