MH
Mary Hamilton — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Washington, Indiana
Our Model Tree links this Mary Hamilton across the 1900, 1910 and 1920 US Censuses in Washington, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1859), then head of a 4-person household.
Age 61
b. ~1859
Female
Spouse
Born: Indiana
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Washington, Indiana |
| Surname | Hamilton |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Pierce Township |
| Est. Birth Year | ~1859 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Peter Hamilton | Head | — | 64 | ~1856 |
| Oswald Hamilton | Son | — | 29 | ~1891 |
| Cleo Hamilton | Son | — | 15 | ~1905 |
| Mary Hamilton | Spouse | — | 61 | ~1859 |
Census Appearances
1900
Washington, Indiana
Spouse, age 43
Washington, Indiana · implied b. ~1857 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Indiana |
| Birth Month | Dec |
| Birth Year | 1857 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1910
Washington, Indiana
Spouse, age 52
Washington, Indiana · implied b. ~1858 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Indiana |
| Years Married | 19 |
| Children Born | 5 |
| Children Living | 5 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Washington, Indiana
Spouse, age 61
Washington, Indiana · implied b. ~1859 — 4 household members
| Surname | Hamilton |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Hamilton across 3 US Census years (1900, 1910 and 1920) in Washington, Indiana, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hamilton
Spouse · 1920 · age 61 · b. ~1859 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Washington, Indiana
Open full size
1920 US Federal Census — Washington, Indiana
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu471unit:0975)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edmund B Smith | 51 | Head | Farmer | Indiana |
| 2 | Emiline M Smith | 79 | Mother | — | Indiana |
| 3 | Carl M Stewart | 33 | Head | Farmer | Indiana |
| 4 | Grace Stewart | 31 | Wife | — | Indiana |
| 5 | Estyl M Stewart | 8 | Daughter | — | Indiana |
| 6 | Randall R Stewart | 5 | Son | — | Indiana |
| 7 | Clitis C Stewart | 1 | Son | — | Indiana |
| 8 | Lenora Layra B Stewart | 57 | Step-mother | — | Indiana |
| 9 | Patrick H Gill | 62 | Head | Farmer | Indiana |
| 10 | Lillie B Gill | 60 | Wife | — | Indiana |
| 11 | Janice C Gill | 29 | Daughter | — | Indiana |
| 12 | Loretta B Gill | 18 | Daughter | — | Indiana |
| 13 | Horace Slaughter | 53 | Head | Painter | Indiana |
| 14 | Annie Slaughter | 50 | Wife | — | Indiana |
| 15 | Clarel Slaughter | 23 | Son | Laborer | Indiana |
| 16 | Ray Slaughter | 12 | Son | — | Indiana |
| 17 | Grace Slaughter | 12 | Daughter | — | Indiana |
| 18 | Alice Slaughter | 9 | Daughter | — | Indiana |
| 19 | Ellis H Martin | 43 | Head | Farmer | Indiana |
| 20 | Katie E Martin | 36 | Wife | — | Indiana |
| 21 | Hazel M Martin | 17 | Daughter | — | Indiana |
| 22 | Rolland J Martin | 12 | Son | — | Indiana |
| 23 | Ruth I Martin | 2 | Daughter | — | Indiana |
| 24 | Caroline Martin | 72 | Mother | — | Indiana |
| 25 | Alva C Martin | 49 | Head | Farmer | Indiana |
| 26 | Myrtle Martin | 47 | Wife | — | Indiana |
| 27 | Earl Martin | 12 | Son | — | Indiana |
| 28 | Estelle B Martin | 8 | Daughter | — | Indiana |
| 29 | Elmer A Martin | 2 | Son | — | Indiana |
| 30 | Lewis F Trainer | 61 | Head | Farmer | Indiana |
| 31 | Mary B Trainer | 56 | Wife | — | Indiana |
| 32 | Amanda Trainer | 68 | Sister | — | Indiana |
| 33 | Jesse F Trainer | 18 | Son | Laborer | Indiana |
| 34 | Delos L Trainer | 15 | Son | Laborer | Indiana |
| 35 | Peter M Hamilton | 64 | Head | Farmer | Indiana |
| 36 | Mary E Hamilton THIS PERSON | 61 | Wife | — | Indiana |
| 37 | Oswald S Hamilton | 29 | Son | — | Indiana |
| 38 | Cleo P Hamilton | 15 | Son | Laborer | Indiana |
| 39 | Linus S Hamilton | 59 | Head | Farmer | Indiana |
| 40 | Elisha T Hamilton | 61 | Brother | Farmer | Indiana |
| 41 | Sarah Hamilton | 70 | Sister | — | Indiana |
| 42 | Alice Hamilton | 66 | Sister | — | Indiana |
| 43 | Josephine Hamilton | 64 | Sister | — | Indiana |
| 44 | George M Ross | 58 | Head | Farmer | Indiana |
| 45 | Susan A Ross | 55 | Wife | — | Indiana |
| 46 | Lovell Ross | 16 | Son | Laborer | Indiana |
| 47 | Lester R Ross | 27 | Son | Laborer | Indiana |
| 48 | Alma E Ross | 28 | Daughter-in-law | — | Indiana |
| 49 | James P Gray | 73 | Head | Farmer | Indiana |
| 50 | Harriett E Gray | 69 | Wife | — | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)