I'm an atheist. My wife is Jewish but she's not very into it. She's from the Soviet Union where being Jewish wasn't really okay, so she was never raised with any of those traditions, apart from fasting on Yom Kippur. That said, she does lean slightly more spiritual than me, in that she does believe in an afterlife of some kind and has a vague belief in a higher power of some sort. She doesn't put a label on it but I'd say her beliefs are pretty close to deist.
We both agree that organized religion isn't for us, and I could see it being a problem if we didn't. As it is though it's actually kind of convenient: we never have to worry about which family to spend holidays with since they don't celebrate the same ones. Also I could see more problems from her family if our genders were reversed. They're okay with her marrying a non-Jew because kids are Jewish if their mother is Jewish regardless of who the father is. Her brother gets pressured to only date other Jews, which was never the case with her.
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[NO BARKLEY NO PEACE]