At the time, women were beginning to buy defense guns and S&W made a point of wanting to capture some of that new market.
Several news stories were published in the Main Stream media about women buying guns, often with the usual Left spin about how terrible an idea this was.
The Lady Smith revolvers were marketed for women, and the fancy grips and lighter trigger was aimed at the woman buyer with some success.
The most popular version was the Model 60 version due to the smaller size.