67%RatingSave Gender Masculine Usage French Pronounced Pron. ZHEES-LEN, GEE-LEN [key] Meaning & History French form of Gislenus, a Latinized form of the Germanic name Gislin, derived from the element gisil meaning "hostage" or "pledge". This was the name of a 7th-century Belgian saint. See All Relations · Show Family TreeRelated Names VariantGhyslainFeminine FormsGhislaine, Ghyslaine, GisèleOther Languages & CulturesGislenus, Gislin(Ancient Germanic) See Popularity DetailPopularity Last ranked #465 in 1999 France Entry updated July 2, 2017