Isaac
Meaning: He will laugh; laughter
Origin: Hebrew — from Yitzhak (יִצְחָק), from tzachak (to laugh)
Gender: Boy
Rank in Australia: #69
Total births: 8,863
History: Isaac surged in the 2000s as biblical names became fashionable in Australia. Isaac Heeney plays AFL for the Sydney Swans. The name carries intelligence and athletic energy. Isaac represents the modern Australian boy — smart and sporty.
Explore more at Australian Baby Names on BabyNa.me
Look at the data
Every number here comes directly from Australia’s birth records. No estimates, no averages — just the counts.
| Current rank (2025) | #26 |
| Babies named Isaac in 2025 | 199 |
| Total recorded in Australia | 8,863 |
| Peak year | 2013 (417 babies) |
| Highest rank ever | #8 |
| Years in records | 1990–2025 (35 years of data) |
| Change over last 5 years | ↓ 3 spots |
Frequently asked about Isaac
What does the name Isaac mean?
Isaac means “He will laugh; laughter” from Hebrew — from Yitzhak (יִצְחָק), from tzachak (to laugh) roots.
What is the origin of the name Isaac?
Isaac has Hebrew — from Yitzhak (יִצְחָק), from tzachak (to laugh) origin. The traditional meaning is “He will laugh; laughter”.
How popular is Isaac in Australia?
Isaac ranked #26 in Australia in 2025 — given to 199 babies that year.
When was Isaac most popular?
Isaac peaked in 2013 with 417 babies registered that year in Australia.
Is Isaac a boy or girl name?
Isaac is predominantly a boys' name in Australia — over 90% of Isaacs in registered births are male.
How long has Isaac been recorded in Australia?
Isaac appears in birth records in Australia across 35 years — from 1990 through 2025.