← All surnamesYlonisYLÓNISEtymologyCf. Ilónis, Ilãnis, Ylãnis (see). Possibly related to Ýla (see). Feminine FORMSYlonienė / YlonytėPronunciation/iː¹ˈloːnʲɪs/SEE ALSOIlanisIlonisYlanisYla