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Henry Slagle 1780–1851

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 Henry Slagle in their family trees — each with their own records and documentation. Trace the migration path across 2 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 28 Nov 1780 · Frederick, Frederick, Maryland, United States
Died 25 Apr 1851 · Frederick, Frederick, Maryland, United States
Father Heinrick Henry Schlegel
Mother Elizabeth John Jahn
Siblings Elizabeth Slagle, Jacob Slagle

Researchers connected through Henry Slagle 1780–1851

and 1 more tree owner connected with Henry Slagle 1780–1851

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

The story of Henry Slagle began in 1780 in Frederick, Frederick, Maryland, United States. Henry Slagle passed away in 1851 in Frederick, Frederick, Maryland, United States.

Sources

Life Timeline

1780
Birth of Henry Slagle in Frederick, Frederick, Maryland, United States
Birth
1851
Death of Henry Slagle in Frederick, Frederick, Maryland, United States
Death

Oldest Ancestor Line from Henry Slagle

This ancestor line traces from Baltimore, Baltimore, Maryland, United States (1744) to Frederick, Frederick, Maryland, United States (1780) across 2 generations.

Direct Lineage
generations

Frequently Asked Questions

Henry Slagle (1780–1851) was born in Frederick, Frederick, Maryland, United States and died in Frederick, Frederick, Maryland, United States. 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 Henry 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 2 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.

Henry Slagle's Ancestors

Pedigree chart — 3 generations on record

Self
Henry Slagle PTP
1780–1851
Frederick, Frederick, Maryland, United States
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Henry Slagle's Descendants

1.
HS
Henry Slagle PTP 1780–1851