Mersey \m(e)-rsey, mer-sey\ as a boy's name (also used as girl's name Mersey), is of Old English origin. Place name. Name of a river in the west of England that connects the cities of Liverpool and Manchester.
Baby names that sound like Mersey are Merce and Morse. Other similar baby names are Darsey, Dorsey, Fursey, Markey, Marley, Massey, Morrey, Morey, Mercer, Merle, Merrel, Morley, Murfey, Murrey and Percey.