A baby is God's opinion that life should go on.
-- Carl Sandburg
"Some Baby" is all things babies and toddlers: products, daycare, services, even themed restaurants. This could also be developed into a blog or forum about babies.
Radio test: "Some Baby" passes with flying colors.
In short, "Some Baby" is both an aural and a visual term: internet, TV, print. If you plan to use radio spots extensively for advertising your product or service, you should be okay using this name.
"Some Baby" and "SomeBaby" do not appear in the USPTO.gov data bases.
(Includes domain and logo.)