Reply To: Names that are used for both boys and girls

Gadolhadorah,
Rav’ Simcha Zissel Ziv, the ‘Alter fun Kelm’ was one of the gedolei hamussar. Rav Simcha Zissel Broide was the Chevroner Rosh Yeshiva. It is a very widely used boys name in the litvishe, yeshivishe world.
Having said that, my father-in-law’s grandmother was called Sara Zissel, so we have many girl Zissel’s in the family.
Rav Yosef Zvi Dunner, Rav of the Adass in London, had 5 boys and no one to name after his mother, Shulamis. He named he next child Shloime after his mother. The next child, was (and still is) a girl and now choshuve Rebbetzin, called Shulamis.