All over the world, Summersby (Summersby 
) is an extremely rare girly forename. Much more frequently, Summersby is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Summersby | New Zealand, Australia, United States, United Kingdom, Ireland |
| roy summersby English footballer (1935-2016), GB (b. 1935) |
|
Mr, Jane, Jack, John, June, Tony, Emma, Ivan, Sarah, Susan, Lynn, Steve, Chris, Celia, Becky, Brian, Karen, Kelly, Peter, David, Donna, Scott, Luke, Lucy, Greg, Ms, Ben, Ray, Rob, Lee, Liz, Zoe, Mark, Matt, Mick, Mike, Sean, Alex, Andy, Adam, Kyle, Paul, Dean, Dave, Dale, Gail, Garry, and Gemma