After the war, seeking peace and purpose, Lafayette made his way west. By 1871, he had settled in Leavenworth, Kansas, where he married Susan Elizabeth Tinsley. Their union was one of hope and fresh beginnings, as together they stepped into a new chapter amid the promise of frontier life. Lafayette, now a veteran and pioneer, joined Susan in building a home grounded in resilience and quiet ambition.

Their journey took them further into the American West, and in 1887, Lafayette—at the age of 48—welcomed the birth of his son, Thaddeus Mundy, in Helena, Montana. It was a moment of joy and renewal late in life, a symbol of the legacy he was beginning to shape. Surrounded by the dramatic landscapes and the raw promise of Montana, Lafayette devoted himself to his family with the same steadfastness that had guided him through war and migration.

In his later years, Lafayette returned to Leavenworth, the place where his peacetime journey had begun. It was there, in 1910, that he passed away, and where he was laid to rest, closing the final chapter of a life that had traversed great distances in both land and time.

Through war and peace, hardship and hope, Lafayette Mundy lived a life etched with courage, perseverance, and love. He was a soldier, a settler, a husband, and a father—a man whose story is quietly woven into the grand narrative of American history.