Surah Maryam 19:7

يَـٰزَكَرِيَّآ إِنَّا نُبَشِّرُكَ بِغُلَـٰمٍ ٱسْمُهُۥ يَحْيَىٰ لَمْ نَجْعَل لَّهُۥ مِن قَبْلُ سَمِيًّا

[He was told], "O Zechariah, indeed We give you good tidings of a boy whose name will be John. We have not assigned to any before [this] name."

Translation: Saheeh International

Tafsir

God exalted be He in responding to his request for a son that will be the incarnation of His mercy says ‘O Zachariah! Indeed We give you good tidings of a boy who will inherit in the way that you have requested — whose name is John. …

Excerpt from Tafsir al-Jalalayn, commentary on 19:7, via Quran.com. The reader has the full commentary and 9 more tafsirs.