Baby Names Girl Names Meaning of the Name Glenys Updated January 13, 2026 by Jennifer M. Glenys Gender: Female Origin: Welsh Meaning: Pure, Holy ♥ Add to my Namelist What is the meaning of the name Glenys? The name Glenys is primarily a female name of Welsh origin that means Pure, Holy. People who like the name Glenys also like: Annabelle, Greta, Arabella, Gemma, Gwyneth, Adalyn, Glynis, Mace, Llewellyn, Liam, Sebastien, Declan, Josiah, Griffin Names like Glenys: Gislenus, Glynis, Glennis, Glynnis Stats for the Name Glenys Glenys is currently not in the top 100 on the Baby Names Popularity Charts Glenys is currently not ranked in U.S. births