When Susannah McKenzie-Sutter heard her cousin in Ontario needed a kidney transplant, the 28-year-old Saint John woman didn't hesitate to offer one of hers.

She hasn't kept in close touch with McKenzie Smith in recent years but has fond childhood memories of spending summers with her "cool older cousin." 

Preliminary blood tests showed she's a good match.

But McKenzie-Sutter quickly learned her plans could be thwarted because she's one of thousands of New Brunswickers without a family doctor.

The h…