I love this, I like the extra 'bite' the final 'm' gives the name. A sweet and unusual form of Mary, less 'stuffy' than Miriam (although Miriam is also pretty). I say it as "MAH-ree-am", don't know if that's right.
Maryam d'Abo (born 1960), English actress Maryam Mirzakhani (born 1977), Iranian mathematician Maryam Mursal (born 1950), Somalian musician Maryam Namazie, political activist of Iranian descent Maryam Nemazee, Iranian television journalist Maryam Rajavi (born 1953), Iranian political activist Maryam Tashaeva (born 1959), Chechen singer Maryam Yusuf Jamal (born 1984), Bahraini athlete
There was a very nice and smart girl in my high school named Marriam. I believe it was a variation on this name because she hailed from Pakistan. She pronounced it like "Maryanne" but with an "m" at the end.