Q: Context: "Ms" or "Ms." (normally / mz /, but also / mz /, or / ms / when unstressed) is an English honorific used with the last name or full name of a woman, intended as a default form of address for women regardless of their marital status. Like "Miss" and "Mrs.", the term "Ms." has its origins in the female English title once used for all women, "Mistress". It has its origin in the 17th century and was revived into mainstream usage in the 20th century.

Question: when did the title ms come into use? Let's give stream of consciousness first:
To answer this question, we should know that: It has its origin in the 17th century and was revived into mainstream usage in the 20th century. Therefore, the final answer is has its origin in the 17th century and was revived into mainstream usage in the 20th century.