CS
Charles Shaffer — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Linn, Iowa
Our Model Tree links this Charles Shaffer across the 1900 and 1910 US Censuses in Linn, Iowa (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 7-person household.
Age 35
b. ~1875
Male
Head
Born: Illinois
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | Linn, Iowa |
| Surname | Shaffer |
| Given Name | Charles A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 13 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Spring Grove Township |
| Est. Birth Year | ~1875 |
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.
7 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Viola Shaffer | Daughter | — | 6 | ~1904 |
| Charles Shaffer | Head | — | 35 | ~1875 |
| Bessie Shaffer | Daughter | — | 3 | ~1907 |
| Ross Shaffer | Son | — | 9 | ~1901 |
| Nellie Shaffer | Spouse | — | 34 | ~1876 |
| Leland Shaffer | Son | — | 7 | ~1903 |
| Mildred Shaffer | Daughter | — | 11 | ~1899 |
Census Appearances
1900
Linn, Iowa
Head, age 26
Linn, Iowa · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaffer |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| Birth Month | Jun |
| Birth Year | 1874 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Linn, Iowa
Head, age 35
Linn, Iowa · implied b. ~1875 — 7 household members
| Surname | Shaffer |
| Given Name | Charles A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 13 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Charles Shaffer across 2 US Census years (1900 and 1910) in Linn, Iowa, using XGBoost record linkage.
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This person
Anchor record
Charles Shaffer
Head · 1910 · age 35 · b. ~1875 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Linn, Iowa
Open full size
1910 US Federal Census — Linn, Iowa
Page Contents
8 people indexed on this census page (ia:1910:13thcensus1910po410unit:1399)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Susan Dunn | 70 | Mother | Own Income | England |
| 2 | Charles A. Shaffer THIS PERSON | 35 | Head | Farmer | Illinois |
| 3 | Nellie Shaffer | 34 | Wife | — | Iowa |
| 4 | Ross Shaffer | 9 | Son | — | Iowa |
| 5 | Mildred Shaffer | 11 | Daughter | — | Iowa |
| 6 | Leland Shaffer | 7 | Son | — | Iowa |
| 7 | Viola Shaffer | 6 | Daughter | None | Iowa |
| 8 | Bessie Shaffer | 3 | Daughter | None | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)