Isaiah

What Isaiah means

Meaning not yet sourced. Wiktionary has no word-by-word meaning for Isaiah yet, and we don’t write our own.

Editor’s note Down from #49 in 2015 to #57 in 2025 in the US. About 1 in 320 US boys in the 2025 records Worked out from the official US and England & Wales counts, not a meaning.

How popular is Isaiah?

US: Falling: down from #49 in 2015. England & Wales: Rising: up from #243 in 2015.

Biggest US share so far: 2006, when 10,459 boys got the name (#39 that year). First in the US records in 1880.

How common

• About 1 in 324 baby boys in the US in 2025
• About 1 in 805 baby boys in England and Wales in 2025
• About 1 in 2,455 baby boys in Scotland 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 HI (7.88 per 1,000 boys), NV (5.58 per 1,000 boys), NM (5.23 per 1,000 boys) in 2025.

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

US vs UK

Isaiah is #57 in the US and #156 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 Isaiah were boys.

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

How to say it

IPA from Wiktionary.

Other spellings parents chose in 2025

• Izaiah439 US · 24 E&W
• Azaiah346 US · 33 E&W
• Asaiah331 US · 13 E&W
• Ezaiah29 US
• Isaia7 US · 17 E&W
• Iziah16 US · 7 E&W
• Esaiah15 US
• Issaiah9 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 Isaiah

Boys

• Elisha#788Editor’s note Used for both: 85% of US babies named Elisha in 2025 were boys
• Isaac#47“he laughs, he will laugh”^*
• Gabriel#37Finnish, meaning “God is my strong man, God is my hero”^*
• Noah#2Editor’s note Steady in the US: #1 in 2015 and #2 in 2025. About 1 in 84 US boys in the 2025 records
• Elijah#7“Yahweh is my god”^*
• Jonas#599“dove”^*

For a sister

• Annika#995Editor’s note Peaked in the US in 2003, with 1,089 babies; 254 in 2025
• Isabella#7Form of Isabel, meaning “my God is an oath”^*
• Gabriella#105Editor’s note Down from #54 in 2015 to #105 in 2025 in the US
• Isabel#176“my God is an oath”^*
• Anaiah#853Editor’s note First shows up in US records in 1983, with 6 babies
• Aliyah#263“ascent”^*

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