Welcome to Backyard Chickens! I've been lurking a while, but finally joined recently myself. I just hatched some Cream Legbars in May. I can definitely say you have a male. The first identifying point is the prominent white spot on yours.
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A female does not have that spot, and the striped pattern goes all the way up her head. They also have a very prominent "eyeliner" stripe. This is a photo of one of my female chicks.
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Also, the color pattern and crest are very different between males and females. This is one of my chicks at about 3 weeks. She's starting to develop a black only crest, and her feathers are coming in mostly grey with a hint of the adult salmon color. She still has a barring pattern, but not nearly as strong as your cockerel.
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At seven weeks, my Cream Legbars have continued to develop larger crests and the feather colors are clearer. I don't have a photo of any of them currently, but I will get one today and post it for you.