personalized coupons

Is it possible to create personalized coupons? for example, if I want to give a free month subscription to Mary let say coupon xmasgift-100 so when she enters it it would give her 1 month free subscription. How do I set it up so this coupon would be valid 1time only? If Mary uses the coupon and she shares it with Anna, the coupon would automatically expire.
Is it something S2 supports?
Thank you

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