The following bio of the early life of St. Catherine of Siena is taken from Patron Saints Index.

St. Catherine of Siena

Youngest child in a large family. At the age of 6 she had a vision in which Jesus appeared and blessed her.

Her parents wanted her to marry, but she became a Dominican tertiary. Mystic. Stigmatist.

Received a vision in which she was in a mystical marriage with Christ, and the Infant Christ presented her with a wedding ring.

Saint Catherine of Siena is a Doctor of the Church.

See Also, Prayer to St. Catherine of Siena