MG
Mary Gross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Gallatin-County, Illinois
Our Model Tree links this Mary Gross across the 1930 and 1940 US Censuses in Gallatin-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Gallatin-County, Illinois |
| Surname | Gross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Gallatin |
| 1935 Residence (County) | Gallatin |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Bowlesville Township |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Gross | Daughter | — | 14 | ~1926 |
| Shirley Gross | Daughter | — | 8 | ~1932 |
| Morris Gross | Son | — | 4 | ~1936 |
| R Gross | Son | — | 10 | ~1930 |
| Leroy Gross | Son | — | 2 | ~1938 |
| Clotha Gross | Daughter | — | 12 | ~1928 |
| Ray Gross | Head | — | 39 | ~1901 |
| Harry Gross | Son | — | 16 | ~1924 |
| Leland Gross | Son | — | 6 | ~1934 |
| Goldie Gross | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Gallatin, Illinois
Daughter, age 5
Gallatin, Illinois · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Gallatin-County, Illinois
Daughter, age 14
Gallatin-County, Illinois · implied b. ~1926 — 10 household members
| Surname | Gross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Gallatin |
| 1935 Residence (County) | Gallatin |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
R Gross
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Gross
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Gross
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clotha Gross
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Gross
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leland Gross
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Morris Gross
Sibling · 1940 · age 4
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 — Gallatin-County, Illinois
Open full size
1940 US Federal Census — Gallatin-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00807-00032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie O Reeds | 50 | Sister-in-law | — | Illinois |
| 2 | Ray Gross | 39 | Head | Laborer | Illinois |
| 3 | Goldie O Gross | 39 | Wife | — | Illinois |
| 4 | Harry Gross | 16 | Son | — | Illinois |
| 5 | Mary Gross THIS PERSON | 14 | Daughter | — | Illinois |
| 6 | Clotha Gross | 12 | Daughter | — | Illinois |
| 7 | R. F. Gross | 10 | Son | — | Illinois |
| 8 | Shirley Gross | 8 | Daughter | — | Illinois |
| 9 | Leland Gross | 6 | Son | — | Illinois |
| 10 | Morris Gross | 4 | Son | — | Illinois |
| 11 | Leroy Gross | 2 | Son | — | Illinois |
| 12 | Carl Trudy | 30 | Head | Laborer | Illinois |
| 13 | Lela O Trudy | 21 | Wife | — | Illinois |
| 14 | Charles Trudy | 3 | Son | — | Illinois |
| 15 | Kathryn L Trudy | 1 | Daughter | — | Illinois |
| 16 | Ella Hedge | 60 | Mother-in-law | — | Indiana |
| 17 | Ray Rigaby | 44 | Head | Farmer | Kentucky |
| 18 | Goldie O Rigaby | 36 | Wife | — | Illinois |
| 19 | Marshall Rigaby | 18 | Son | — | Illinois |
| 20 | Herschel Rigaby | 12 | Son | — | Illinois |
| 21 | Bobbie C. Rigaby | 11 | Son | — | Illinois |
| 22 | Naomi Rigaby | 8 | Daughter | — | Illinois |
| 23 | Paul Eugene Rigaby | 3 | Son | — | Illinois |
| 24 | Diana Rigaby | 1 | Daughter | — | Illinois |
| 25 | Ed Rider | 31 | Head | Laborer | Illinois |
| 26 | Beulah O Rider | 22 | Wife | — | Illinois |
| 27 | Nanda Rider | 1 | Daughter | — | Illinois |
| 28 | Pete Dirty | 33 | Head | Laborer | Illinois |
| 29 | Aline O Dirty | 27 | Wife | — | Illinois |
| 30 | Norma Jean Dirty | 10 | Daughter | — | Illinois |
| 31 | Clifford Dirty | 4 | Son | — | Illinois |
| 32 | James A. Dirty | 3 | Son | — | Illinois |
| 33 | Edgar Sullivan | 37 | Head | Farmer | Illinois |
| 34 | Frankie O Sullivan | 39 | Wife | — | Illinois |
| 35 | Dwain Sullivan | 8 | Son | — | Illinois |
| 36 | John Recanda | 49 | Lodger | Laborer | Connecticut |
| 37 | Jesse Milligan | 34 | Head | Librarian | Illinois |
| 38 | Louise O Milligan | 24 | Wife | — | Illinois |
| 39 | Louis Rigaby | 24 | Head | — | Illinois |
| 40 | Lillian O Rigaby | 20 | Wife | — | Illinois |
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)