EFA1678Ervin Family Archive
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Research desk

Proof, conflicts, and the next best record.

Every project shows what supports the current conclusion, what weakens it, and which record would change the answer most efficiently.

Plausible · 70–85%

Granville Courtwright / Courtright identity

Birth and death dates, spouse Lillian Pearl Eberly, and Whiteside County geography align across the GEDCOM and cemetery leads.

What supports it

  • Matching birth and death dates
  • Spouse and Illinois geography align
  • Courtwright, Courtright, and Cartwright variants recur

Highest-value next records

  • Original marriage record
  • Illinois death certificate
  • 1900–1950 image-level census chain
  • Proof of parents
Family legend · 20–49%

Origin of the Blackfoot family story

The oral tradition is specifically attached to Grandpa Courtwright, but the currently documented route is Kentucky to Illinois/Iowa. No tribal or agency record has been found.

What supports it

  • A specific, persistent family tradition
  • Story is attached to a recognizable ancestor generation

Highest-value next records

  • Proven parent and grandparent chain
  • Blackfeet Agency or Indian Census evidence
  • Oldest living witness and exact original wording
Plausible

Chingren and Johansdotter/Banks immigration

August Ludwig Chingren was born in Högstad, Östergötland, Sweden in 1854 and married Helen Elizabeth Mohring in Illinois in 1879. His arrival predates Ellis Island.

What supports it

  • Swedish birthplace and U.S. marriage align
  • Illinois-to-Nebraska household trail

Highest-value next records

  • Swedish household examination and departure
  • Pre-1892 passenger arrival
  • Naturalization record