Cognomen Glassock (Glassock 
) , all over the world, is a rare last name. The surname Glassock is characteristic of Australia, where it is a rare surname, the United Kingdom, and New Zealand, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in the United Kingdom, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Glassock | United Kingdom, South Africa, Australia, United States, Canada |
| richard j. glassock (b. 1934) |
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| craig glassock cricketer, AU (b. 1973) |
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| michael glassock Australian soccer player, AU (b. 1999) |
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Mr, Scott, Chris, Clare, Brian, Billy, Kathy, Katie, Kerry, Keith, Peter, Roger, David, Diane, Laura, Larry, Linda, Jason, Joyce, Jesse, Jenna, Julia, Steve, Susan, Shena, Sarah, Ms, Ben, Lee, Lyn, Tom, Tim, Nic, Ian, Mark, Kate, Julie, Katy, Rhea, Dean, Dave, Greg, Lisa, Lynn, Nick, Neil, Megan, Sally, Rose, and Terry