MG
Mary Gross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Perry-County, Kentucky
Our Model Tree links this Mary Gross across the 1930 and 1940 US Censuses in Perry-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Perry-County, Kentucky |
| Surname | Gross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Hazard |
| 1935 Residence (County) | Perry |
| Additional Details | |
| Industry | 0 |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Hazard |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Melba Gross | Daughter | — | 19 | ~1921 |
| Charles Gross | Son | — | 10 | ~1930 |
| Berry Gross | Head | — | 39 | ~1901 |
| Juanita Gross | Daughter | — | 5 | ~1935 |
| Mary Gross | Daughter | — | 14 | ~1926 |
| Lucy Gross | Spouse | — | 38 | ~1902 |
| Tommy Gross | Son | — | 3 | ~1937 |
| Hontel Gross | Son | — | 12 | ~1928 |
| Gertrude Gross | Daughter | — | ~1940 |
Census Appearances
1930
Perry, Kentucky
Daughter, age 3
Perry, Kentucky · implied b. ~1927 — 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 | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Perry-County, Kentucky
Daughter, age 14
Perry-County, Kentucky · implied b. ~1926 — 9 household members
| Surname | Gross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Hazard |
| 1935 Residence (County) | Perry |
| Industry | 0 |
| Highest Grade | S 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 · Kentucky
★ You are viewing this record
Sibling
Juanita Gross
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Gross
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Gross
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tommy Gross
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melba Gross
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hontel Gross
Sibling · 1940 · age 12
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 — Perry-County, Kentucky
Open full size
1940 US Federal Census — Perry-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01349-00257)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Mcintosh | 10 | Son | — | Kentucky |
| 42 | Dennis Mcintosh | 6 | Son | — | Kentucky |
| 43 | Glendine Mcintosh | 4 | Daughter | — | Kentucky |
| 44 | Almer Mcintosh | 2 | Son | — | Kentucky |
| 45 | Hazel Mcintosh | 0 | Daughter | — | Kentucky |
| 46 | Berry Gross | 39 | Head | Coal Loader | Kentucky |
| 47 | Lucy Gross | 38 | Wife | — | Kentucky |
| 48 | Melba Gross | 19 | Daughter | — | Kentucky |
| 49 | Mary Gross THIS PERSON | 14 | Daughter | — | Kentucky |
| 50 | Hontel Gross | 12 | Son | — | Kentucky |
| 51 | Charles Gross | 10 | Son | — | Kentucky |
| 52 | Juanita Gross | 5 | Daughter | — | Kentucky |
| 53 | Tommy Gross | 3 | Son | — | Kentucky |
| 54 | Gertrude Gross | 0 | Daughter | — | Kentucky |
| 55 | Andrew Mcintosh | 38 | Head | Coal Loader | Kentucky |
| 56 | Vica Mcintosh | 37 | Wife | — | Kentucky |
| 57 | Alfred Mcintosh | 15 | Son | — | Kentucky |
| 58 | Daily Keith | 26 | Head | Coal Loader | Kentucky |
| 59 | Bertie Keith | 24 | Wife | — | Kentucky |
| 60 | Paul Keith | 4 | Son | — | Kentucky |
| 61 | Amos Keith | 3 | Son | — | Kentucky |
| 62 | Mary Virginia Keith | 2 | Daughter | — | Kentucky |
| 63 | Lawrence Cornett | 28 | Head | Coal Loader | Kentucky |
| 64 | Martha Cornett | 27 | Wife | — | Kentucky |
| 65 | Franklin Cornett | 7 | Son | — | Kentucky |
| 66 | Joe Cornett | 5 | Son | — | Kentucky |
| 67 | Margaret Cornett | 3 | Daughter | — | Kentucky |
| 68 | Richard Cornett | 2 | Son | — | Kentucky |
| 69 | Jessie Cornett | 0 | Daughter | — | Kentucky |
| 70 | Pete Ratliff | 45 | Head | — | Kentucky |
| 71 | Sarah Ratliff | 45 | Wife | — | Kentucky |
| 72 | Omar Ratliff | 23 | Son | Tipple Man | Kentucky |
| 73 | Hermon Ratliff | 22 | Son | Canal Project | Kentucky |
| 74 | Onamae Ratliff | 18 | Daughter | — | Kentucky |
| 75 | Gene Rovall Ratliff | 12 | Son | — | Kentucky |
| 76 | James Ratliff | 16 | Son | — | Kentucky |
| 77 | Mildred Ratliff | 14 | Daughter | — | Kentucky |
| 78 | Donald Ratliff | 11 | Son | — | Kentucky |
| 79 | Malvery Ratliff | 6 | Daughter | — | Kentucky |
| 80 | George Grimes | 66 | Head | — | Tennessee |
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)