Cognomen Holthouse (Holthouse 
) , around the globe, is a rare last name. The cognomen Holthouse is habitual in Australia, where it is a rare surname, the United States, where it is a very rare surname, and Canada. Measured by absolute frequency, it is the most numerous in the United States, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Holthouse | Canada, United Kingdom, United States, Australia |
| edwin hermus holthouse (b. 1855) |
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| john holthouse South African Air Force general, ZA (b. 1891) |
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| hector holthouse Australian writer (b. 1915) |
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| david holthouse writer and filmmaker whose investigation into a triple homicide in California's Emerald Triangle became the subject of the HULU documentary "Sasquatch" |
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Mr, Adam, Chad, Beth, Brad, Bill, Katy, Kirk, Paul, Ross, Rick, Rita, Ruth, Ryan, Gary, Greg, Glen, Lisa, Luke, Lynn, Jack, Josh, Anna, John, Sara, Madi, Sam, Sue, Abi, Ami, Amy, Bob, Kay, Ken, Kim, Rob, Guy, Leo, Joe, Joy, Tom, Tim, Ned, Ian, Marc, Mary, Mark, Mike, and Joan