A variant of Abigail, meaning my father is joy, from the Hebrew Bible.
Abigal is a streamlined spelling of Abigail, one of the most richly documented names in the Hebrew Bible. The original Hebrew form, Avigayil, is most plausibly interpreted as "my father's joy" or "my father exults" — a combination of "av" (father) and "gil" (rejoicing). In the First Book of Samuel, Abigail appears as a woman of remarkable diplomatic intelligence: when her churlish husband Nabal refuses hospitality to David and his men, Abigail intervenes independently with provisions and a speech so wise it prevents a massacre.
After Nabal's death, David takes her as his wife, and she is described as both beautiful and discerning. The name fell into heavy use across Puritan England and colonial America, where biblical names carried moral authority. By the eighteenth century, however, the word "abigail" had become a generic English term for a lady's maid — likely because so many servants bore the name, possibly reinforced by a servant character named Abigail in Beaumont and Fletcher's play The Scornful Lady.
This class association cooled its aristocratic appeal for a century. Abigail recovered fully in the late twentieth century, becoming consistently popular across English-speaking countries. Notable bearers include Abigail Adams, the intellectually formidable wife of John Adams and a keen political correspondent whose letters are primary historical documents. The simplified Abigal variant strips the double-i without altering the name's deep roots in one of the Bible's most compelling stories of feminine wisdom.