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Theodore Wayne Hallenbeck 1923–1975

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.

B Reliability
B
Reliability Score: B
Medium — 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 Theodore Hallenbeck in their family trees — each with their own records and documentation. Trace the migration path across 11 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: August 25, 2026 · Reliability: B — verified across 2 independent trees

Born 5 May 1923 · Hot Springs, Fall River, South Dakota, USA
Died 14 Apr 1975 · Anacortes, Skagit, Washington, USA
Father Rollo Roy Hallenbeck
Mother Grace Madsen (1899–1989)
Siblings Dawn Hallenbeck, Joy Hallenbeck, Marian Margaret Hallenbeck, Montford Phillip Monte Hallenbeck, Robert Paul Hallenbeck, Rollo Roy Hallenbeck, Virgina Violet V Hallenbeck
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Researchers connected through Theodore Hallenbeck 1923–1975

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

The story of Theodore Wayne Hallenbeck began in 1923 in Hot Springs, Fall River, South Dakota, USA. Theodore Wayne Hallenbeck passed away in 1975 in Anacortes, Skagit, Washington, USA.

Sources

Life Timeline

1923
Birth of Theodore Wayne Hallenbeck in Hot Springs, Fall River, South Dakota, USA
Birth
1975
Death of Theodore Wayne Hallenbeck in Anacortes, Skagit, Washington, USA
Death

Oldest Ancestor Line from Theodore Hallenbeck

This ancestor line traces from Cobb's Court, Reculver, Kent, England (1561) to Hot Springs, Fall River, South Dakota, USA (1923) across 11 generations.

Direct Lineage
generations

Frequently Asked Questions

Theodore Hallenbeck (1923–1975) was born in Hot Springs, Fall River, South Dakota, USA and died in Anacortes, Skagit, Washington, 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 (B) based on cross-tree validation.
Right now, 2 researchers on YourRoots have Theodore 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 11 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.

Related Records

Rollo Roy Hallenbeck
Father
Grace Madsen
1899–1989 · Mother

Theodore Hallenbeck's Ancestors

Pedigree chart — 3 generations on record

Self
Theodore Wayne Hallenbeck PTP
1923–1975
Hot Springs, Fall River, South Dakota, USA
Parents
Unknown
Grace Adeline Ella Madsen PTP
1899–1989
Cambria, Weston, Wyoming, USA
Grandparents
Unknown
Unknown
Unknown
Unknown

Theodore Hallenbeck's Descendants

1.
TH
Theodore Wayne Hallenbeck PTP 1923–1975