Gender Question

My paternal great grandmother was Maria Ysabel Caballero, baptised 16Dec1860 in Totatiche, Jalisco. Daughter of Tranquilino Caballero y Maria Juliana de la Trinidad Avila

source:
https://familysearch.org/pal:/MM9.3.1/TH-1-18685-15759-46?cc=1874591&wc=M99L-2C8:n1322479794

I have now found another child of Tranquilino Caballero y Trinidad D'abila, baptised on 01Mar1864 in Tlaltenango de Sanchez Ramon, Zacatecas.

source:
https://familysearch.org/pal:/MM9.3.1/TH-1-15530-33887-83?cc=1804458&wc=M99V-NGZ:n592675783

This record indicates Ysabel was a male child. Was this name actually used for both sexes? Any insight would be greatly appreciated.

Saludos,
Roy