“I have long had this unanswered question: Cruzs father had applied for Canadian citizenship. Did his mother also apply? And, if she did, was she then a Canadian citizen by the time Rafael Ted was born?”
Allegedly neither of the parents had been Canadian Permanent Residents the required time, perhaps 3 years, required to acquire naturalized Canadian citizenship by the time Ted Cruz was born in December 1970. Depending on whose timeline you use, it may or may not have been possible. It is denied that the mother ever acquired Canadian citizenship, but that too is open to question and a need for supporting documentation.
Bingo! You said the magic words: “supporting documentation.” That documentation seems to be suppressed. Why doesn’t Cruz make them available?
IIRC residency had to be 5 years before someone could get Canadian citizenship.
They were only there 3 to 4 years, then Ted was born.