Ted’s wife in How I Met Your Mother was Tracy McConnell, played by Cristin Milioti. In the series finale, she is revealed as the mother of Ted’s children and his wife in the story he’s telling.

Extra context

  • Tracy is often referred to as “the Mother.”
  • The show’s ending also implies Ted later reconnects with Robin, but Tracy is still the woman Ted married and had children with in the main reveal.

TL;DR

Ted’s wife was Tracy McConnell.