Isa is a moderately popular boys' name in England & Wales, ranking #374 in 2019 with 116 recorded births. This places Isa in the top 6% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2025 with 207 births ranking #238. Since 1996, the popularity has increased by 673.3%. In 2019, approximately 1 in every 2,619 boys born was named Isa. RISING Recent data shows the name is currently rising.
Isa is a short name with more than one tradition behind it. In Muslim naming it is the Arabic name used for Jesus, while in some European contexts it can connect to the wider Isaac family.
Because the name is used in different traditions, its meaning depends on which background a family intends. That flexibility is part of its appeal, but it also means context matters more than usual.