(Ella) tiene cuarenta y un ano (tilde, ~, over the final 'n')
('Ella', 'she', can be omitted if self-evident (say, she's already been mentioned) or not needed for emphasis).
You can say "Ella tiene cuarenta y dos años".
In Irish, you would say "Tá mé 42 bliain d'aois." This translates directly to "I am 42 years old." The phrase "42 bliain" means "42 years," and "d'aois" means "old."
(I am) 42 years old = j'ai quarante deux ans
She was 42 years old when she was arrested.
42 Years Old
You would say "Elle a quarante-deux ans" in French.
cuarenta y dos años
42
42
He is 42 years old
42 years old.
She is 42 years old.