Which aged prophetess gave thanks and spoke about baby Jesus in the temple?

Answer: Anna

Anna, a prophetess of the tribe of Asher who worshiped in the temple night and day, gave thanks to God and spoke about the Child.

“There was also a prophetess named Anna, the daughter of Phanuel, of the tribe of Asher, who was well along in years. She had been married for seven years,”— Luke 2:36 (BSB)