Cognomen Westbay (Westbay 
) , around the world, is a rare family name. The last name Westbay is habitual in Northern America, particularly the United States, where it is a rare surname, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Westbay | Canada, United Kingdom, United States |
|
annette westbay American actress and playwright, US (b. 1896) |
|
| billy westbay American rock climber, US (b. 1950) |
|
Max, Cleo, Curt, Beth, Bill, Kent, Kevi, Raye, Rick, Ryan, Cody, Dena, Dana, Dale, Gary, Gina, Lisa, Lori, Lynn, Jane, John, Dean, Chas, Chad, Adam, Sue, Ann, Amy, Coy, Ken, Kim, Pat, Ron, Gay, Liz, Jan, Jon, Tom, Eli, Mary, Mark, Mack, Mike, Alan, Anne, Anji, Jill, and Tara