I would think they would have to become a us citizen.
No.
No. You do not need a social security number to get married in California. But you MUST have some sort of identification document, such as your passport, etc., to identify yourself.
You don't buy a social security number. You go to your local social security office and apply to receive your own personal social security number.Buying a social security number is against the law.
Social security number.
You cannot get a credit card in the US with US credit card companies unless you have a social security number. Since Canadian residents don't have US social security numbers, they do not have access to US credit companies credit cards.
Social security number
Social security number
Social security number
You can't. You can only get a valid Social Security number through the Social Security Administration; anything else is fraudulent.
You do not. Use of the Social Security number is the exclusive venue of the Social Security Administration as established by the Social Security Act.
No, your social security number does not change when you get married.
Social security number