Cloy- names for baby boys, with 4 entries. Cloy- names are rarely used baby names for boys. At the modest height of their usage in 1908, 0.010% of baby boys were given Cloy- names. There was 1 Cloy- name ranked within the top 1000 baby names then. Cloy- names have since experienced a decline in popularity, and are used only on an infrequent scale now.