Throughout the world, Katylyn (Katylyn 
) is a very rare principally feminine, but very infrequently boy's first name. The forename Katylyn is characteristic of South-eastern Asia, particularly Philippines, where it is an extremely rare female name.
Kemp, Adelman, Bezdiguian, Royster, Dedrick, Domingo, Wilstead, Schmitz, Carlesimo, Generoso, Giordano, Lethbridge, Lehinger, Tomschin, Manansala, Paolucci, Taylor, Jurges, Kuchta, King, Ruhl, Frew, Salas, Souza, Allen, Adams, Keech, Risch, Weems, Scholl, Conway, Cooper, Buncie, Butler, Aboukheir, and Blackwell