Isaac
Isaac has 18,495 records in Australia (1958–2025) — 18,495 male, 0 female (100% / 0%). Recorded as a boy name only in our data.
Most recent top rank: #19 in 2025.
Yearly Popularity
Isaac by State
Out of 18,495 total records, 8,664 (46.8%) were registered in NSW.
Recorded in 4 states.