MH
Mary Hancock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Indiana
Our Model Tree links this Mary Hancock across the 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 8-person household.
Age 13
b. ~1917
Female
Daughter
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Hancock |
| Given Name | Mary L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Southport Town |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Carl Hancock | Son | — | 17 | ~1913 |
| Ada Hancock | Daughter | — | 9 | ~1921 |
| Robert Hancock | Son | — | 7 | ~1923 |
| Thelma Hancock | Daughter | — | 15 | ~1915 |
| Mildred Hancock | Daughter | — | 20 | ~1910 |
| Laura Hancock | Spouse | — | 49 | ~1881 |
| Mary Hancock | Daughter | — | 13 | ~1917 |
| William Hancock | Head | — | 55 | ~1875 |
Census Appearances
1920
Marion, Indiana
Daughter, age 3
Marion, Indiana · implied b. ~1917 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 13
Marion, Indiana · implied b. ~1917 — 8 household members
| Surname | Hancock |
| Given Name | Mary L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| 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 (1920 and 1930) in Marion, Indiana, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hancock
Daughter · 1930 · age 13 · b. ~1917 · Indiana
★ You are viewing this record
Sibling
Carl Hancock
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hancock
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Hancock
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Hancock
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Hancock
Sibling · 1930 · age 20
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 — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel616:0705)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence O Henrichs | 44 | Head | Restaurant | Indiana |
| 2 | Stella Henrichs | 43 | Wife | None | Indiana |
| 3 | Lora Henrichs | 19 | daughter | Teacher | Indiana |
| 4 | Owen Mitchell | 62 | Head | Laborer | Kentucky |
| 5 | Fannie Mitchell | 56 | wife | None | Kentucky |
| 6 | Lillian Mitchell | 23 | daughter | Comptometer | Kentucky |
| 7 | William Hancock | 55 | Head | Blacksmith | Kentucky |
| 8 | Laura A Hancock | 49 | wife | None | Kentucky |
| 9 | Mildred I Hancock | 20 | daughter | None | Indiana |
| 10 | Carl A Hancock | 17 | son | None | Indiana |
| 11 | Thelma L Hancock | 15 | daughter | None | Indiana |
| 12 | Mary L Hancock THIS PERSON | 13 | daughter | None | Indiana |
| 13 | Ada Hancock | 9 | daughter | None | Indiana |
| 14 | Robert W Hancock | 7 | son | None | Indiana |
| 15 | Albert Ross | 74 | Head | Laborer | Indiana |
| 16 | St Elmo Hardesty | 59 | Head | None | Kentucky |
| 17 | Alvilda Hardesty | 59 | wife | None | Kentucky |
| 18 | Anna Darr | 52 | Head | Nurse | Ohio |
| 19 | Marion Darr | 25 | daughter | Secretary | Indiana |
| 20 | Sarah J Gardner | 74 | Head | None | Indiana |
| 21 | Harry Hankins | 36 | Head | Laborer | Indiana |
| 22 | Nellie Hankins | 34 | Wife | None | Indiana |
| 23 | Isabelle E Hankins | 14 | daughter | None | Indiana |
| 24 | Vernon Hankins | 13 | son | None | Indiana |
| 25 | William F Henry | 34 | Head | Barber | Indiana |
| 26 | Mae Henry | 26 | wife | Operator | Indiana |
| 27 | William Hofner | 49 | Head | Agent | Indiana |
| 28 | Carrie Hofner | 42 | wife | None | Indiana |
| 29 | Donald Hofner | 17 | son | Clerk | Indiana |
| 30 | Lucile Hofner | 12 | daughter | None | Indiana |
| 31 | William Hofner | 2 | son | None | Indiana |
| 32 | Mary Hofner | 77 | Mother | Housework | Indiana |
| 33 | Martha J Smith | 76 | Head | Laborer | Indiana |
| 34 | Lucile Henry | 22 | roomer | Laborer | Indiana |
| 35 | Russell Bailey | 23 | roomer | None | Indiana |
| 36 | Henrietta Curd | 39 | Niece | Book Keeper | Indiana |
| 37 | Sarah E Yeager | 58 | Head | Laborer | Indiana |
| 38 | Matilda Warren | 73 | Head | Laborer | Indiana |
| 39 | James Coffman | 56 | Head | Dealer | Kentucky |
| 40 | Maggie Coffman | 53 | Wife | None | Indiana |
| 41 | Lenton Biddlecomb | 31 | Head | Handy Boy | Indiana |
| 42 | Effie Biddlecomb | 29 | Wife | None | Indiana |
| 43 | Janet Biddlecomb | 6 | daughter | None | Indiana |
| 44 | Robert Biddlecomb | 3 | son | None | Indiana |
| 45 | Jesse Taylor | 26 | Head | Engineer | Kentucky |
| 46 | Ida Taylor | 26 | Wife | None | Kentucky |
| 47 | Lucile Taylor | 5 | daughter | None | Indiana |
| 48 | Olive Broome | 70 | Head | Dressmaker | Ohio |
| 49 | Preston B Bailey | 70 | Head | Merchant | Indiana |
| 50 | Ora Bailey | 65 | Wife | None | Indiana |
Related Census Records
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)