Who was Harrison Hammill?

Harrison Hammill (1889–1889) was born in Rockdale, South Dakota, USA and died in Miller, South Dakota, USA. 2 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Harrison?

Right now, 2 researchers on YourRoots have Harrison in their trees. The ancestor migration map traces 32 generations of this lineage.

What records do they have for Harrison?

Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

How do I compare family trees?

Use Compare Tree on an available researcher profile to compare overlapping people and records.

Harrison Hammill 1889–1889

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 2 independent trees

Birth year and location consistent across 2 trees

Death year and location consistent across 2 trees

Compare a Public Tree Person with your own tree using Compare Tree.

C Reliability

Reliability Score: C

Basic — based on the source tree

Grade scale

A 3 criteria (Strong)
B 2 criteria (Medium)
C 1 criteria (Basic)

Verification checklist

Record available
Descendant's record available
Star tree owner

2 researchers on YourRoots have Harrison Hammill in their family trees — each with their own records and documentation. Trace the migration path across 32 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: July 22, 2026 · Reliability: C — verified across 2 independent trees

Born 1 MAR 1889 · Rockdale, South Dakota, USA

Died 14 APR 1889 · Miller, South Dakota, USA

Father Elisha Avery Hammill

Mother Nancy Adaline Coonrod

Siblings Charles Albert Hammill, Cornelious Elmer Hammill, Curtis Avery Hammill, Elsie Marie Hammill, Maude Ann Hammill, Murlen Aquilla Hammill, Otis Russell Hammill, Winifred Cynthia Hammill

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Researchers connected through Harrison Hammill 1889–1889

and 1 more tree owner connected with Harrison Hammill 1889–1889

Immediate Family

Parents

Elisha Avery Hammill

Nancy Adaline Coonrod

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

The story of Harrison Hammill began in 1889 in Rockdale, South Dakota, USA. Harrison Hammill passed away in 1889 in Miller, South Dakota, USA.

Sources

Life Timeline

1889

Birth of Harrison Hammill in Rockdale, South Dakota, USA

Birth

1889

Death of Harrison Hammill in Miller, South Dakota, USA

Death

Oldest Ancestor Line from Harrison Hammill

This ancestor line traces from Eure, Loire, Rhone-Alpes, France (1000) to Rockdale, South Dakota, USA (1889) across 32 generations.

Direct Lineage

generations

Frequently Asked Questions

: Harrison Hammill (1889–1889) was born in Rockdale, South Dakota, USA and died in Miller, South Dakota, USA. 2 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (C) based on cross-tree validation.
: Right now, 2 researchers on YourRoots have Harrison in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 32 generations of this lineage geographically.
: It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
: Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.