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Mary Hammond — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Trimble-County, Kentucky
Our Model Tree links this Mary Hammond across the 1930 and 1940 US Censuses in Trimble-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Trimble-County, Kentucky |
| Surname | Hammond |
| Given Name | Mary Jo |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | 04 |
| 1935 Residence (County) | Trimble |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | 04 |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ella Hammond | Daughter | — | 29 | ~1911 |
| Nellie Hammond | Daughter | — | 26 | ~1914 |
| Mary Hammond | Daughter | — | 12 | ~1928 |
| John Hammond | Head | — | 59 | ~1881 |
| Norbert Hammond | Son | — | 9 | ~1931 |
| Cecil Hammond | Son | — | 18 | ~1922 |
| Laffie Hammond | Son | — | 32 | ~1908 |
| Milton Hammond | Son | — | 34 | ~1906 |
| Elizabeth Hammond | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Henry, Kentucky
Daughter, age 1
Henry, Kentucky · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Trimble-County, Kentucky
Daughter, age 12
Trimble-County, Kentucky · implied b. ~1928 — 9 household members
| Surname | Hammond |
| Given Name | Mary Jo |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | 04 |
| 1935 Residence (County) | Trimble |
| Highest Grade | No 6 |
| 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 Hammond across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hammond
Daughter · 1940 · age 12 · b. ~1928 · Kentucky
★ You are viewing this record
Sibling
Milton Hammond
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norbert Hammond
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Hammond
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Hammond
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laffie Hammond
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Hammond
Sibling · 1940 · age 26
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 — Trimble-County, Kentucky
Open full size
1940 US Federal Census — Trimble-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01359-00086)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilma Hackett | 4 | Daughter | — | Kentucky |
| 42 | Janice Hackett | 2 | Daughter | — | Kentucky |
| 43 | Joyce Hackett | 0 | Daughter | — | Kentucky |
| 44 | Joseph Heath | 74 | Head | — | Kentucky |
| 45 | Lula Heath | 66 | Wife | — | Kentucky |
| 46 | Cecil Brown | 23 | Head | Farmer | Kentucky |
| 47 | Ruth Brown | 18 | Wife | — | Kentucky |
| 48 | Geneva Brown | 1 | Daughter | — | Kentucky |
| 49 | Lawrence Hughes | 32 | Head | Tractor Driver | Kentucky |
| 50 | Lula Hughes | 29 | Wife | — | Kentucky |
| 51 | Kenny Hughes | 6 | Son | — | Kentucky |
| 52 | G. W. Kidwell | 55 | Head | Mechanic | Kentucky |
| 53 | Letha Kidwell | 60 | Wife | — | Kentucky |
| 54 | Provenia Kidwell | 17 | Daughter | — | Kentucky |
| 55 | Maude Tingle | 27 | Sister | — | Kentucky |
| 56 | R. F. Moore | 32 | Head | Coal Operator | Kentucky |
| 57 | Helen Moore | 25 | Wife | — | Kentucky |
| 58 | Bobby Moore | 1 | Son | — | Kentucky |
| 59 | Richard Moore | 76 | Head | — | Kentucky |
| 60 | Virginia Moore | 77 | Wife | — | Kentucky |
| 61 | John Hammond | 59 | Head | General Work | Kentucky |
| 62 | Elizabeth Hammond | 53 | Wife | — | Kentucky |
| 63 | Milton Hammond | 34 | Son | Farmer | Kentucky |
| 64 | Laffie Hammond | 32 | Son | Farmer | Kentucky |
| 65 | Ella M. Hammond | 29 | Daughter | — | Kentucky |
| 66 | Nellie E. Hammond | 26 | Daughter | — | Kentucky |
| 67 | Cecil Hammond | 18 | Son | — | Kentucky |
| 68 | Mary Jo Hammond THIS PERSON | 12 | Daughter | — | Kentucky |
| 69 | Norbert Hammond | 9 | Son | — | Kentucky |
| 70 | J. C. Cantrell | 63 | Head | Farmer | Tennessee |
| 71 | Emma Cantrell | 56 | Wife | — | Kentucky |
| 72 | J. C. Jr. Cantrell | 26 | Son | Teacher | Tennessee |
| 73 | Paulina Doe | 43 | Boarder | W.P.A. Supervisor | Kentucky |
| 74 | J. B. Banks | 69 | Head | Wood Worker | Kentucky |
| 75 | Lillian Banks | 58 | Wife | Road House | Kentucky |
| 76 | Iris Register | 20 | Helper | — | Kentucky |
| 77 | Alvin Hunter | 38 | Head | Barber | Kentucky |
| 78 | Minnie Hunter | 34 | Wife | — | Kentucky |
| 79 | Lois Jean Hunter | 12 | Daughter | — | Kentucky |
| 80 | Leslie Alexander | 35 | Head | Farmer | Kentucky |
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)