MS
Mary Shaffer — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Fairfield, Ohio
Our Model Tree links this Mary Shaffer across the 1900, 1910 and 1920 US Censuses in Fairfield, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1854), then head of a 8-person household.
Age 46
b. ~1854
Female
Spouse
Born: Ohio
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Fairfield, Ohio |
| Surname | Shaffer |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ohio |
| Birth Month | Jan |
| Birth Year | 1854 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Madison Township |
| Est. Birth Year | ~1854 |
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 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bluffner Shaffer | Son | — | 23 | ~1877 |
| John Shaffer | Head | — | 49 | ~1851 |
| Arthur Shaffer | Son | — | 7 | ~1893 |
| Carrie Shaffer | Daughter | — | 21 | ~1879 |
| Isa Shaffer | Son | — | 12 | ~1888 |
| Anna Shaffer | Daughter | — | 19 | ~1881 |
| Mary Shaffer | Spouse | — | 46 | ~1854 |
| Orell Shaffer | Son | — | 15 | ~1885 |
Census Appearances
1900
Fairfield, Ohio
Spouse, age 46
Fairfield, Ohio · implied b. ~1854 — 8 household members
| Surname | Shaffer |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ohio |
| Birth Month | Jan |
| Birth Year | 1854 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Fairfield, Ohio
Spouse, age 56
Fairfield, Ohio · implied b. ~1854 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaeffer |
| Given Name | Mary Z |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ohio |
| Years Married | 35 |
| Children Born | 7 |
| Children Living | 7 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Fairfield, Ohio
Spouse, age 66
Fairfield, Ohio · implied b. ~1854 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaeffer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Shaffer across 3 US Census years (1900, 1910 and 1920) in Fairfield, Ohio, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shaffer
Spouse · 1900 · age 46 · b. ~1854 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Fairfield, Ohio
Open full size
1900 US Federal Census — Fairfield, Ohio
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1265unit:0655)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John T Buckley | 36 | Head | Farm Laborer | Virginia |
| 2 | April Buckley | 33 | Wife | — | Virginia |
| 3 | Charles S Buckley | 13 | Son | At School | Virginia |
| 4 | Irvin Buckley | 10 | Son | At School | Virginia |
| 5 | Sylvia V Buckley | 9 | Daughter | — | Virginia |
| 6 | Delpha P Buckley | 3 | Son | — | Virginia |
| 7 | Lesta A Buckley | 1 | Daughter | — | Virginia |
| 8 | John C Rymer | 45 | Head | Farm Laborer | Ohio |
| 9 | Ella G Rymer | 38 | Wife | — | Ohio |
| 10 | Eliza M Rymer | 17 | Daughter | Servant | Ohio |
| 11 | Isaac G Rymer | 15 | Son | At School | Ohio |
| 12 | George B Rymer | 12 | Son | At School | Ohio |
| 13 | Jessie P Rymer | 10 | Daughter | At School | Ohio |
| 14 | John F Shaffer | 48 | Head | Farmer | Ohio |
| 15 | Mary E Shaffer THIS PERSON | 46 | Wife | — | Ohio |
| 16 | Bluffner M Shaffer | 23 | Son | Farm Laborer | Ohio |
| 17 | Anna M Shaffer | 18 | Daughter | — | Ohio |
| 18 | Carrie D Shaffer | 20 | Daughter | — | Ohio |
| 19 | Orell Shaffer | 14 | Son | Farm Laborer | Ohio |
| 20 | Isa D Shaffer | 11 | Son | Farm Laborer | Ohio |
| 21 | Arthur M Shaffer | 6 | Son | — | Ohio |
| 22 | George Shaeffer | 25 | Head | Farmer | Ohio |
| 23 | Iva P Shaeffer | 28 | Wife | — | Ohio |
| 24 | John S Kern | 78 | Head | Farmer | Ohio |
| 25 | Sarah B Kern | 49 | Wife | — | Ohio |
| 26 | Wilda Simons | 16 | Niece | Servant | Ohio |
| 27 | Wilson Kern | 57 | Head | Farmer | Ohio |
| 28 | Mary Jane Kern | 51 | Wife | — | Ohio |
| 29 | Laura Kern | 28 | Daughter | Dress Maker | Ohio |
| 30 | Grace D Kern | 19 | Daughter | Servant | Ohio |
| 31 | Albert Kern | 28 | Son | Farm Laborer | Ohio |
| 32 | Harry G Kern | 17 | Son | Farm Laborer | Ohio |
| 33 | Harley Kern | 14 | Son | At School | Ohio |
| 34 | Ralph Kern | 10 | Son | At School | Ohio |
| 35 | Asa P Cavanaugh | 55 | Head | Farm Laborer | Ohio |
| 36 | Martha Cavanaugh | 25 | Wife | — | Ohio |
| 37 | Kirby R Cavanaugh | 3 | Son | — | Ohio |
| 38 | Leotta M Cavanaugh | 1 | Daughter | — | Ohio |
| 39 | Olive Cavanaugh | 1 | Daughter | — | Ohio |
| 40 | Andrew Strickler | 47 | Head | Farmer | Ohio |
| 41 | Grace E Strickler | 20 | Daughter | — | Ohio |
| 42 | Ross H Strickler | 13 | Son | At School | Ohio |
| 43 | Allen Clendenin | 35 | Head | Farm Laborer | Ohio |
| 44 | Ellen Clendenin | 34 | Wife | — | Ohio |
| 45 | Lydia F Clendenin | 7 | Daughter | — | Ohio |
| 46 | Vera G Clendenin | 5 | Daughter | — | Ohio |
| 47 | Goldie Clendenin | 3 | Daughter | — | Ohio |
| 48 | Gladys Clendenin | 1 | Daughter | — | Ohio |
| 49 | Leander Toy | 59 | Head | Farmer | Ohio |
| 50 | Malinda E Toy | 54 | Wife | — | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)