The first name Marian is female and male.
Marian is a name for boys and girls. The masculine name (e.g. in Germany, Czech Republic, Poland) derived from the Latin name Marianus, the faminine name (e.g. in England) derived from Mary Ann or Marion.
Marian for boys means “dedicated to (the Roman god) Mars” and for girls “sea of bitterness”, “rebelliousness”, “beloved” or “grace”.