Surname Hollenbaugh (Hollenbaugh 
) , around the globe, is a rare cognomen. The cognomen Hollenbaugh is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hollenbaugh | Canada, New Zealand, United States, United Kingdom, Germany |
| erin e hollenbaugh researcher |
|
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| galen hollenbaugh American politician, US |
|