MH
Mary Hancock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jasper-County, Indiana
Our Model Tree links this Mary Hancock across the 1930 and 1940 US Censuses in Jasper-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jasper-County, Indiana |
| Surname | Hancock |
| Given Name | Mary K. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Newton |
| 1935 Residence (County) | Jasper |
| Additional Details | |
| Industry | S |
| Highest Grade | Hs 2 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Newton Tp |
| Est. Birth Year | ~1925 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hancock | Daughter | — | 15 | ~1925 |
| Margaret Hancock | Daughter | — | 10 | ~1930 |
| Laura Hancock | Daughter | — | 6 | ~1934 |
| Mildred Hancock | Daughter | — | 5 | ~1935 |
| Arvil Hancock | Son | — | 8 | ~1932 |
| Leroy Hancock | Son | — | 17 | ~1923 |
| Athal Hancock | Son | — | 13 | ~1927 |
| Laura Hancock | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Jasper, Indiana
Daughter, age 5
Jasper, Indiana · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Jasper-County, Indiana
Daughter, age 15
Jasper-County, Indiana · implied b. ~1925 — 8 household members
| Surname | Hancock |
| Given Name | Mary K. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Newton |
| 1935 Residence (County) | Jasper |
| Industry | S |
| Highest Grade | Hs 2 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Hancock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hancock
Daughter · 1940 · age 15 · b. ~1925 · Indiana
★ You are viewing this record
Sibling
Laura Hancock
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hancock
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Athal Hancock
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Hancock
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arvil Hancock
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Hancock
Sibling · 1940 · age 5
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 — Jasper-County, Indiana
Open full size
1940 US Federal Census — Jasper-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01057-00340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Laura L. Hancock | 39 | wife | — | Indiana |
| 2 | Leroy F. Hancock | 17 | son | Farm Laborer | Indiana |
| 3 | Mary K. Hancock THIS PERSON | 15 | daughter | — | Indiana |
| 4 | Athal Glenn Hancock | 13 | son | — | Indiana |
| 5 | Margaret F. Hancock | 10 | daughter | — | Indiana |
| 6 | Arvil D. Hancock | 8 | son | — | Indiana |
| 7 | Laura Arlene Hancock | 6 | daughter | — | Indiana |
| 8 | Mildred Jo Hancock | 5 | daughter | — | Indiana |
| 9 | John P. Katzbach | 44 | Head | Farmer | Illinois |
| 10 | Esther L. Katzbach | 45 | wife | — | Indiana |
| 11 | Wilma S. Katzbach | 13 | daughter | — | Indiana |
| 12 | Verna J. Katzbach | 11 | daughter | — | Indiana |
| 13 | John P. Katzbach | 9 | son | — | Indiana |
| 14 | Fleming Elam | 62 | Head | Farmer | Indiana |
| 15 | Emma G. Elam | 60 | wife | — | Indiana |
| 16 | Chas. Battleday | 60 | Head | Farmer | Indiana |
| 17 | Anna C. Battleday | 65 | wife | — | Indiana |
| 18 | Mary F. Jacobsen | 79 | Mother-in-law | — | Indiana |
| 19 | Wm. Shaw | 18 | Hired hand | Farm Laborer | Indiana |
| 20 | Lloyd L. Shultz | 31 | Head | Farmer & Laborer | Indiana |
| 21 | Hazel L. Shultz | 22 | wife | — | Iowa |
| 22 | Howard G. Shultz | 7 | son | — | Indiana |
| 23 | Lloyd L. Shultz | 2 | son | — | Indiana |
| 24 | Elizabeth F. Shultz | 0 | daughter | — | Indiana |
| 25 | Raymond Proctor | 44 | Head | Farmer | Illinois |
| 26 | Pearl B. Proctor | 44 | wife | — | Illinois |
| 27 | Harold D. Proctor | 16 | son | — | Illinois |
| 28 | Walter V. Ream | 35 | Head | Farmer | Indiana |
| 29 | Lela F. Ream | 31 | wife | — | Indiana |
| 30 | Joyce L. Ream | 8 | daughter | — | Indiana |
| 31 | Donald W. Ream | 6 | son | — | Indiana |
| 32 | Patricia R. Ream | 0 | daughter | — | Indiana |
| 33 | Reuben Yeoman | 63 | Head | Farmer | Indiana |
| 34 | Rosetta Yeoman | 63 | wife | — | Indiana |
| 35 | Mike Bull | 19 | Hired hand | — | Indiana |
| 36 | Ethel Goff | 23 | Housekeeper | Housekeeper | Indiana |
| 37 | Ernest L. Yeoman | 33 | Head | Driver | Indiana |
| 38 | Gertrude Yeoman | 25 | wife | — | Indiana |
| 39 | Wm. Clyde Yeoman | 5 | son | — | Indiana |
| 40 | Ernest Ray Yeoman | 3 | son | — | Indiana |
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)