come into (one's) own

To reach a new level of maturity, independence, or success. Often said of young adults. Betsy has really come into her own this year. A full-time job, a new apartment—she's doing great!

Common Names:

Name	Pronounced	Usage
Allan	AL-ən	English, Scottish
Vinal	-	English (Rare)
Malena	-	Swedish, Spanish, Czech
Kalisha	kə-LEESH-ə, kə-LISH-ə	African American (Rare)
Ubon	-	Thai
Tzeitel	-	Yiddish