Etymology and MeaningIssac is a spelling variant of the name Isaac, which originates from the Hebrew name Yitzchaq (יִצְחָק), meaning "he will laugh, he will rejoice." This meaning derives from the Hebrew root tsaḥaq ("to laugh"). The biblical explanation for this joyful meaning is found in Genesis 17:17, where Abraham laughs in disbelief when God promises him a son in his old age. Later, Sarah also laughs upon hearing the same prophecy (Genesis 18:12). Isaac was the long-awaited son of Abraham and Sarah, and he later became the father of Esau and Jacob with his wife Rebecca. The name's association with laughter and divine fulfillment gives it enduring significance in the Abrahamic faiths.The spelling variant Issac likely emerged as a phonetic simplification or error in English-speaking regions. While the standard form Isaac has been widely used since the Protestant Reformation, Issac is a less common alternative that appears primarily in the United States and other English-speaking countries.Notable BearersIssac Bailey – American writer and journalistIssac Ryan Brown (born 2005) – American child actor and singer, known for roles in Disney productionsIssac Delgado (born 1962) – Cuban-Spanish salsa musicianIssac Luke (born 1987) – New Zealand rugby league footballerOsthatheos Issac (born 1976) – Syriac Orthodox bishop, using Issac as a surnameRod Issac (born 1989) – American football cornerbackNotable figures like physicist and mathematician Isaac Newton (1643–1727) and science-fiction writer Isaac Asimov (1920–1992) have used the classic spelling, but the variant Issac appears in various contexts, including a commune in the Dordogne region of France and the name of a building in Los Angeles.Cultural SignificanceAs a variant of Isaac, Issac carries the same biblical weight: the story of Isaac's near-sacrifice by Abraham (the Akedah) is a key narrative in Judaism, Christianity, and Islam. In the Quran, Isaac (Ishaq, or Ishāq in Arabic) is a prophet, reflecting the name's cross-cultural importance. The variant Issac also has related forms across languages, including Yishak (Amharic), Sahak (Armenian), and diminutives like Ike.Meaning: "He will laugh, he will rejoice"Origin: Hebrew (variant of Isaac)Type: Given nameUsage: English, with occasional usage in other languages