Around the world, Sunby (Sunby 
) is an extremely rare boy's first name. Much more frequently, Sunby is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sunby | Canada, United States, Philippines |
Jo, Steven, Alfred, Amanda, Brenda, Kristi, Denise, Darrah, George, Lauren, Lillie, Nicole, Michael, Anthony, Annabel, Charles, Chelsea, Kristin, Kristen, Darrrah, Jessica, William, Marion, Kathleen, Tamra, Louis, Sue, Kim, Jon, Marc, Mary, Sora, Carl, Cody, Rand, Gary, Jean, Stacy, Alexa, Annie, Clare, Patty, Roger, David, Duane, Larry, Leona, Jason, and Lawrence