MG
Mary Gross — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Milwaukee, Wisconsin
Our Model Tree links this Mary Gross across the 1930 and 1940 US Censuses in Milwaukee, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 8-person household.
Age 10
b. ~1920
Female
Daughter
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Milwaukee, Wisconsin |
| Surname | Gross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Milwaukee City |
| Est. Birth Year | ~1920 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Gross | Daughter | — | 10 | ~1920 |
| Frank Gross | Head | — | 52 | ~1878 |
| Martin Gross | Son | — | 18 | ~1912 |
| Anton Gross | Son | — | 20 | ~1910 |
| Margaret Gross | Daughter | — | 20 | ~1910 |
| Frank Gross | Son | — | 22 | ~1908 |
| Anna Gross | Spouse | — | 48 | ~1882 |
| Anna Gross | Daughter | — | 8 | ~1922 |
Census Appearances
1930
Milwaukee, Wisconsin
Daughter, age 10
Milwaukee, Wisconsin · implied b. ~1920 — 8 household members
| Surname | Gross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Milwaukee-County, Wisconsin
Other, age 21
Milwaukee-County, Wisconsin · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | Marjorie |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Milwaukee |
| 1935 Residence (County) | MILWAUKEE |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| 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 Gross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gross
Daughter · 1930 · age 10 · b. ~1920 · Wisconsin
★ You are viewing this record
Sibling
Martin Gross
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Gross
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anton Gross
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Gross
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Gross
Sibling · 1930 · age 22
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
1930 US Federal Census — Milwaukee, Wisconsin
Open full size
1930 US Federal Census — Milwaukee, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2591unit:0843)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Gross | 52 | Head | Car Repairman | Hungary |
| 2 | Anna Gross | 48 | Wife | Charwoman | Hungary |
| 3 | Frank Jr Gross | 22 | Son | Feeder | Wisconsin |
| 4 | Anton Gross | 20 | Son | Machinist | Wisconsin |
| 5 | Margaret Gross | 20 | Daughter | Labor | Wisconsin |
| 6 | Martin Gross | 18 | Son | Labor | Wisconsin |
| 7 | Mary Gross THIS PERSON | 10 | Daughter | None | Wisconsin |
| 8 | Anna Gross | 8 | Daughter | None | Wisconsin |
| 9 | Royal Teig | 25 | Head | Chauffeur | Wisconsin |
| 10 | Lillian Teig | 23 | Wife | None | Wisconsin |
| 11 | Ronald Teig | 2 | Son | None | Wisconsin |
| 12 | Lewis Berg | 33 | Head | Machinist | North Dakota |
| 13 | Laura Berg | 31 | Wife | None | Minnesota |
| 14 | Lester Berg | 8 | Son | None | North Dakota |
| 15 | Clinton Berg | 5 | Son | None | North Dakota |
| 16 | Olive Berg | 65 | Mother | None | Norway |
| 17 | Leonard Petz | 22 | Head | Salesman | Wisconsin |
| 18 | Dolores Petz | 21 | Wife | None | Minnesota |
| 19 | George Keefe | 28 | Head | Fireman | Wisconsin |
| 20 | Cecilia Keefe | 28 | Wife | Clerk | Wisconsin |
| 21 | George Jr Keefe | 5 | Son | None | Wisconsin |
| 22 | James Keefe | 2 | Son | None | Wisconsin |
| 23 | Vilas Holbrook | 28 | Head | Mechanic | Wisconsin |
| 24 | Josephine Holbrook | 25 | Wife | Stenographer | Wisconsin |
| 25 | Vilas Jr Holbrook | 3 | Son | None | Wisconsin |
| 26 | James Holbrook | 0 | Son | None | Wisconsin |
| 27 | Clair Wade | 24 | Head | Machinist | Illinois |
| 28 | Elizabeth Wade | 18 | Wife | None | Wisconsin |
| 29 | Lloyd Tugle | 27 | Head | Truck Driver | Wisconsin |
| 30 | Irene Tugle | 21 | Wife | None | Illinois |
| 31 | Floyd Jr Tugle | 5 | Son | None | Wisconsin |
| 32 | Russell Tugle | 4 | Son | None | Wisconsin |
| 33 | Delores Tugle | 1 | Daughter | None | Wisconsin |
| 34 | Lawrence Reilly | 52 | Head | Labor | Wisconsin |
| 35 | Mary Reilly | 47 | Wife | None | Wisconsin |
| 36 | Michael Reilly | 21 | Son | None | Wisconsin |
| 37 | James Scales | 36 | Lodger | Machinist | Wisconsin |
| 38 | Mary Trimmich | 43 | Head | Cook | Wisconsin |
| 39 | Lawrence Trimmich | 20 | Son | None | Wisconsin |
| 40 | Sherwood Trimmich | 18 | Son | Machinist | Wisconsin |
| 41 | Walter Trimmich | 17 | Son | Machinist | Wisconsin |
| 42 | Barbara Chanick | 32 | Head | None | Austria |
| 43 | Frank Chanick | 14 | Son | None | Wisconsin |
| 44 | George Chanick | 10 | Son | None | Wisconsin |
| 45 | John Caniglia | 50 | Head | Crane Operator | Italy |
| 46 | Lucy Caniglia | 44 | Wife | None | Italy |
| 47 | Ignazio Caniglia | 24 | Son | Laborer | Wisconsin |
| 48 | Joseph Caniglia | 21 | Son | Clerk | Wisconsin |
| 49 | John Caniglia | 19 | Son | None | Wisconsin |
| 50 | Lucy Caniglia | 15 | Daughter | None | Wisconsin |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)