MS
Mary Shaffer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mercer, Pennsylvania
Our Model Tree links this Mary Shaffer across the 1920 and 1930 US Censuses in Mercer, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 10-person household.
Age 51
b. ~1879
Female
Spouse
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, Pennsylvania |
| Surname | Shaffer |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1879 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gladys Shaffer | Daughter | — | 10 | ~1920 |
| Richard Shaffer | Head | — | 60 | ~1870 |
| Paul Shaffer | Son | — | 6 | ~1924 |
| Mark Shaffer | Son | — | 17 | ~1913 |
| Mary Shaffer | Daughter | — | 20 | ~1910 |
| Richard Shaffer | Son | — | 22 | ~1908 |
| Mary Shaffer | Spouse | — | 51 | ~1879 |
| Russell Shaffer | Son | — | 8 | ~1922 |
| Laura Shaffer | Daughter | — | 14 | ~1916 |
| Howard Shaffer | Son | — | 27 | ~1903 |
Census Appearances
1920
Mercer, Pennsylvania
Spouse, age 41
Mercer, Pennsylvania · implied b. ~1879 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shafer |
| Given Name | Mary C |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Mercer, Pennsylvania
Spouse, age 51
Mercer, Pennsylvania · implied b. ~1879 — 10 household members
| Surname | Shaffer |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 2 US Census years (1920 and 1930) in Mercer, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Shaffer
Spouse · 1930 · age 51 · b. ~1879 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Mercer, Pennsylvania
Open full size
1930 US Federal Census — Mercer, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2077:0147)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elsie Hamburger | 9 | Daughter | — | Pennsylvania |
| 52 | Robert H. Campbell | 36 | Head | Farmer | Pennsylvania |
| 53 | Olive Campbell | 38 | Wife | — | Pennsylvania |
| 54 | Stewart Campbell | 12 | Son | — | Pennsylvania |
| 55 | Angela Amon | 69 | Aunt | — | Pennsylvania |
| 56 | Glenn S. Clapper | 40 | Head | Laborer | Pennsylvania |
| 57 | Myrtle H. Clapper | 36 | Wife | — | Pennsylvania |
| 58 | Edna Clapper | 12 | Daughter | — | Pennsylvania |
| 59 | Ruth Clapper | 8 | Daughter | — | Pennsylvania |
| 60 | Bert D. Thompson | 61 | Head | Farmer | Pennsylvania |
| 61 | Bella Thompson | 60 | Wife | — | Pennsylvania |
| 62 | Jesse Thompson | 27 | Son | Laborer | Pennsylvania |
| 63 | Eleda Thompson | 22 | Daughter | — | Pennsylvania |
| 64 | Harry Morrison | 45 | Head | Farmer | Pennsylvania |
| 65 | Bessie Morrison | 42 | Wife | — | Pennsylvania |
| 66 | Byrne Morrison | 15 | Daughter | — | Pennsylvania |
| 67 | Earl Morrison | 13 | Son | — | Pennsylvania |
| 68 | Betty Morrison | 10 | Daughter | — | Pennsylvania |
| 69 | Victor Hassel | 31 | Head | Laborer | Pennsylvania |
| 70 | Irene Hassel | 22 | Wife | — | Ohio |
| 71 | Richard Shaffer | 60 | Head | Laborer | Pennsylvania |
| 72 | Mary C. Shaffer THIS PERSON | 51 | Wife | — | Pennsylvania |
| 73 | Howard B. Shaffer | 27 | Son | Laborer | Pennsylvania |
| 74 | Richard L. Shaffer | 22 | Son | Laborer | Pennsylvania |
| 75 | Mary Shaffer | 20 | Daughter | — | Pennsylvania |
| 76 | Mark Shaffer | 17 | Son | — | Pennsylvania |
| 77 | Laura Shaffer | 14 | Daughter | — | Pennsylvania |
| 78 | Gladys Shaffer | 10 | Daughter | — | Pennsylvania |
| 79 | Russell Shaffer | 8 | Son | — | Pennsylvania |
| 80 | Paul Shaffer | 6 | Son | — | Pennsylvania |
| 81 | Jesse Anderson | 39 | Head | Farmer | Pennsylvania |
| 82 | Ethel Anderson | 39 | Wife | — | Pennsylvania |
| 83 | William Anderson | 11 | Son | — | Pennsylvania |
| 84 | Sonia M. Anderson | 7 | Daughter | — | Pennsylvania |
| 85 | Stella M. Anderson | 5 | Daughter | — | Pennsylvania |
| 86 | Gleason S. Anderson | 3 | Son | — | Pennsylvania |
| 87 | John O. Anderson | 0 | Son | — | Pennsylvania |
| 88 | James Bridgett | 73 | Father | — | Ireland |
| 89 | Lillian Anderson | 37 | Brother | — | Pennsylvania |
| 90 | Minnon Hites | 30 | Head | Laborer | Virginia |
| 91 | Elsie Hites | 24 | Wife | — | West Virginia |
| 92 | Bessie Hites | 6 | Daughter | — | Pennsylvania |
| 93 | Ben Hites | 3 | Son | — | Pennsylvania |
| 94 | William Hites | 0 | Son | — | Pennsylvania |
| 95 | Lafayette Fuller | 54 | Head | Carpenter | Pennsylvania |
| 96 | Minnie Fuller | 54 | Wife | — | New York |
| 97 | Crayne Alice Fuller | 74 | Mother in law | — | New York |
| 98 | Marie Dolan | 14 | Granddaughter | — | Pennsylvania |
| 99 | John A. Davis | 49 | Head | Laborer | Wales |
| 100 | Clara H. Davis | 43 | Wife | — | Pennsylvania |
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)