According to namaejiten.com, from 1989-2003, 254 boys (0.006%) and 80 girls (0.002%) recorded in their data were given the kanji 宝, which, as a name, would mostly be read as Takara. A less common way to write Takara is 宝良. 30 boys (0.0007%) and 2 girls (0.00005%) recorded in their data were given these kanji that make up Takara from 1989-2003. When written in hiragana, as たから, it is almost exclusively given to girls.So, it seems that this name should be listed as unisex (masculine & feminine as opposed to feminine & masculine). [noted -ed]
A less common way to write Takara is 宝良. 30 boys (0.0007%) and 2 girls (0.00005%) recorded in their data were given these kanji that make up Takara from 1989-2003.
When written in hiragana, as たから, it is almost exclusively given to girls.
So, it seems that this name should be listed as unisex (masculine & feminine as opposed to feminine & masculine). [noted -ed]