Isaac

“He laughs; he will laugh” — Hebrew origin

Boy's name · #47 in the US (2025) · Comeback

Isaac was #62 in 1880, slipped to #377 by 1967, climbed back to #28 by 2013, and currently stands at #47. Roughly 332,000 boys have been named Isaac since 1880. In all that time it has never once missed a year of the national records. Isaac's short forms are Ike and Izzy. Popular twin pairings with Isaac include Isaiah for a boy, and Isabella for a girl.

Around the world: #11 in France (2025) · #19 in Australia (VIC) (2025) · #26 in Australia (NSW) (2025) · #31 in N. Ireland (2025) · #32 in Belgium (2025).

Appears in 2020-2025 birth records of 51 states. See the full state-by-state map on this page.

Famous Isaacs

Isaac Newton — English mathematician and physicist (1642–1727)
Isaac Asimov — American writer and biochemist (1920–1992)
Isaac Bashevis Singer — Polish-American writer (1904–1991)
Isaac Herzog — President of Israel since 2021
Isaac Shamir — 7th Prime Minister of Israel (1915-2012)

In stories & tradition

Isaac — Genesis 24 · Genesis 25
Isaac (Wizard of Oz) — The Wonderful Wizard of Oz
Isaac (Jimmy Neutron) — Jimmy Neutron: Boy Genius · The Adventures of Jimmy Neutron, Boy Genius

What Isaacs become

Among 2,632 notable people named Isaac:

Business leaders appear 2.32× more often than among typical names — e.g. Isaac Singer, American businessman; inventor of the Singer sewing machine (1811-1875).

Similar names: Eli · Isaiah · Caleb · Jack · Micah · Levi

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.

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