Across the world, Mackessy (Mackessy 
) is an extremely rare unknown gender first name. Much more prevalently, Mackessy is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mackessy | Ireland, United Kingdom, Australia, United States, New Zealand |
Mr, Lesa, Lisa, Liam, Lori, Luke, Jack, Jake, Jade, John, Jean, Noel, Emma, Eoin, Maria, Marie, Molly, Megan, Mikey, Sarah, Shane, Shaun, Gwen, Dawn, Dani, Rita, Ms, Ki, Ed, Ben, Bob, Pat, Don, Lee, Joe, Joy, Susan, Jim, Tim, Ian, Mary, Mike, Sean, Anne, Adam, Bart, Paul, Rick, Tom, and Steve