Laughter
Isiac is a rare variant of the Hebrew name Isaac. It originates from the biblical figure Isaac, whose name was derived from the Hebrew word 'tzachaq', referring to the laughter of his parents when they were told they would have a child in their old age.
Fewer than 5 boys were named Isiac in 2025.
US births per 5-year period, 1990–present (SSA data).
