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Mary Bacon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Milwaukee-County, Wisconsin
Our Model Tree links this Mary Bacon across the 1930 and 1940 US Censuses in Milwaukee-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Milwaukee-County, Wisconsin |
| Surname | Bacon |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Milwaukee |
| 1935 Residence (County) | Milwaukee |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Milwaukee |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Mary Bacon | Daughter | — | 12 | ~1928 |
| Joseph Fodor | Other | — | 76 | ~1864 |
| Rodger Bacon | Son | — | 9 | ~1931 |
| Mary Fodor | Other | — | 58 | ~1882 |
| Howard Bacon | Son | — | 10 | ~1930 |
| Julia Bacon | Head | — | 31 | ~1909 |
| Richard Bacon | Son | — | 7 | ~1933 |
Census Appearances
1930
Milwaukee, Wisconsin
Other, age 2
Milwaukee, Wisconsin · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bacon |
| Given Name | Mary Rose |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Wisconsin |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Milwaukee-County, Wisconsin
Daughter, age 12
Milwaukee-County, Wisconsin · implied b. ~1928 — 7 household members
| Surname | Bacon |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Milwaukee |
| 1935 Residence (County) | Milwaukee |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Bacon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bacon
Daughter · 1940 · age 12 · b. ~1928 · Wisconsin
★ You are viewing this record
Sibling
Howard Bacon
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rodger Bacon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Bacon
Sibling · 1940 · age 7
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 — Milwaukee-County, Wisconsin
Open full size
1940 US Federal Census — Milwaukee-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04547-00375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Paul Heritsch | 64 | Head | Janitor | Hungary |
| 42 | Agatha Heritsch | 64 | Wife | — | Hungary |
| 43 | William Blau | 32 | Head | Shipping Clerk | Wisconsin |
| 44 | Irene A. Blau | 26 | Wife | — | Oklahoma |
| 45 | William E. Blau | 3 | Son | — | Wisconsin |
| 46 | Rubin Rohde | 36 | Head | Proprietor | Wisconsin |
| 47 | Anna Rohde | 32 | Wife | — | Wisconsin |
| 48 | Darwin M. Rohde | 13 | Son | — | Wisconsin |
| 49 | Wilbur N. Rohde | 10 | Son | — | Wisconsin |
| 50 | Oscar Rohde | 9 | Son | — | Wisconsin |
| 51 | Rudolph Tiefenbacher | 45 | Head | Riveter | Wisconsin |
| 52 | Lillie Tiefenbacher | 42 | Wife | — | Wisconsin |
| 53 | Ruth Tiefenbacher | 19 | Daughter | — | Wisconsin |
| 54 | Donald Tiefenbacher | 16 | Son | Paper Carrier | Wisconsin |
| 55 | Virginia Tiefenbacher | 14 | Daughter | — | Wisconsin |
| 56 | Jules Fontaine | 64 | Head | Painter | Wisconsin |
| 57 | Alice M. Fontaine | 63 | Wife | — | Wisconsin |
| 58 | Violet M. Fontaine | 42 | Daughter | — | Michigan |
| 59 | Henry W. Liege | 46 | Head | Wood Worker | Wisconsin |
| 60 | Eliza A. Liege | 47 | Wife | — | Wisconsin |
| 61 | Armin J. Liege | 24 | Half Brother | Wood Worker | Wisconsin |
| 62 | Magdalene Schoesser | 52 | Sister in law | — | Wisconsin |
| 63 | Lydia Schoesser | 50 | Sister in law | — | Wisconsin |
| 64 | Fred Lineth | 32 | Head | Sales Man | Wisconsin |
| 65 | Kathryn Lineth | 28 | Wife | — | Wisconsin |
| 66 | Frederick Lineth | 7 | Son | — | Wisconsin |
| 67 | Sally Ann Lineth | 4 | Daughter | — | Wisconsin |
| 68 | Thomas Lineth | 1 | Son | — | Wisconsin |
| 69 | Gustav Erdman | 62 | Head | Cap Maker | Russia |
| 70 | Fanny Erdman | 67 | Wife | — | Russia |
| 71 | Julia Bacon | 31 | Head | — | Wisconsin |
| 72 | Mary R. Bacon THIS PERSON | 12 | Daughter | — | California |
| 73 | Howard M. Bacon | 10 | Son | — | Wisconsin |
| 74 | Rodger K. Bacon | 9 | Son | — | Wisconsin |
| 75 | Richard Bacon | 7 | Son | — | Wisconsin |
| 76 | Joseph Fodor | 76 | Father | — | Hungary |
| 77 | Mary Fodor | 58 | Mother | — | Hungary |
| 78 | Rudolph Micholczy | 52 | Head | Laborer | Hungary |
| 79 | Mary Micholczy | 37 | Wife | — | Hungary |
| 80 | Helen Micholczy | 20 | Daughter | — | 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)