Issac

What Issac means

Variant of Isaac, meaning “he laughs, he will laugh”

variant of Isaac || From Middle English Ysaac, from Latin Isaac, from Ancient Greek Ἰσαάκ (Isaák), from Hebrew יצחק (Yiṣḥāq, literally “he laughs, he will laugh”).

Source: Wiktionary, “Issac” (revision 71952240) and “Isaac” (revision 93931057), CC BY-SA 4.0. Quoted from the etymology; we don’t write our own.

How popular is Issac?

US: Falling: down from #562 in 2015. England & Wales: Falling: down from #506 in 2015.

Biggest US share so far: 2008, when 820 boys got the name (#376 that year). First in the US records in 1880.

How common

• About 1 in 6,620 baby boys in the US in 2025
• About 1 in 4,458 baby boys in England and Wales in 2025

“1 in N” divides by all listed births for that sex. The US list leaves out names given to fewer than 5 babies, and the UK lists leave out names given to 2 or fewer, so the real figure is a little rarer than shown.

Where in the US

Most popular in AR (0.72 per 1,000 boys), TX (0.27 per 1,000 boys), AZ (0.24 per 1,000 boys) in 2025.

SSA state data, 2025. Share of all listed boys born in each state.

US vs UK

Issac is #915 in the US and #615 in England & Wales (2025).

Same sex as this page (boys). SSA (US), ONS (England and Wales), NRS (Scotland).

Boy or girl?

In 2025, 99.9+% of US babies named Issac were boys.

Counts below the publishing threshold (US 5, UK 3) are not included.

Other spellings

Other spellings parents chose in 2025

• Isaac5,953 US · 1,331 E&W
• Isaak48 US · 12 E&W
• Isak38 US · 21 E&W
• Izaac44 US · 11 E&W
• Isac22 US · 6 E&W
• Isaaq0 US · 14 E&W
• Izac7 US
• Issak5 US

Names that sound the same and differ by a letter or two, with baby counts for the same sex. US and E&W counts.

If you like Issac

Boys

• Kaleb#295“dog”^*
• Gabriel#37Finnish, meaning “God is my strong man, God is my hero”^*
• Ethan#24“firmness, strong, or long-lived”^*
• Caleb#58possibly “dog”^*
• Emanuel#574Spanish, meaning “God is with us”^*
• Isaiah#57Editor’s note Down from #49 in 2015 to #57 in 2025 in the US. About 1 in 320 US boys in the 2025 records

For a sister

• Abigail#41“my Father's joy”^*
• Annika#995Editor’s note Peaked in the US in 2003, with 1,089 babies; 254 in 2025
• Jordyn#371Editor’s note Cooling off in the US: #136 in 2015, #371 in 2025
• Gabriella#105Editor’s note Down from #54 in 2015 to #105 in 2025 in the US
• Daniela#302Form of Daniel, meaning “God is my judge”^*
• Isabel#176“my God is an oath”^*

Picked from the US top 1,000 in 2025: names Wiktionary also files under Hebrew, whose US popularity since 1990 rose and fell most like Issac’s. Rank is US 2025.