Boy’s name · Hebrew

Issac

How to say it: EYE-zik · /ˈaɪzək/

Variant spelling of Isaac; from Hebrew Yitzhak meaning 'he laughs' or 'laughter'.

Issac was the 49th most popular boys’ name in the United States in 2025, given to 258 babies (Social Security Administration). Its busiest decade was the 2000s, its births are down about 41% in ten years, and it is projected to slip to #72 by 2030.

Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures

#49for boys in 2025
1 in 524US babies
258born in 2025
#72projected for 2030
2000sits peak decade
1 in 22chance a classmate shares it

Key facts

Key facts about Issac
Rank among boys’ names, 2025#49
Babies born in 2025258
Share of births1 in 524
Peak decade2000s
Change over 10 years−41%
Projected rank for 2030 (estimate)#72
In France, 2025#9 among boys’ names, 20 births

Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.

Its life, decade by decade

Climbing through the 2000s gave Issac its high point. Use has fallen well below that level and should keep slipping.

1900195020002020–25
Peak: 340 per million births, 2000s.

What goes with it

Crisp consonants and a breathy finish give Issac a lively biblical energy, heard as EYE zik. Jacob shares its style and Ike works as a short form.

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Issac is about 1 in 22.

Around the world

This spelling is used in English, French, Hebrew.

In France: #9 for boys in 2025.

Famous people named Issac

From Wikidata and Wikipedia

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