 Kunyange zvazvo Mulholland gare gare akataura kuti paHondo yeGettysburg musi waJuly 2, 1863 iye pachake akatora mutungamiri we140th Pennsylvania Infantry uye akaitungamirira mukuita, chokwadi ichi hachitaurwi mumushumo wake wehondo, kana kuti welieutenant colonel anotungamirira 140th. Apo 116th yakadzorerwa kuzere simba mukutanga kwa1864, akasimudzirwa kuva colonel. Akakuvadzwa kechipiri paHondo yeWilderness, May 5, 1864. PaRwizi rwePo akakuvadzwa kechitatu, asi akaramba ari muchipatara mazuva gumi bedzi. Achidzorera basa rake, akakuvadzwa zvine ngozi zvakare paHondo yeTotopotomoy Creek. Akakurumidza kupora ndokutungamirira brigade rake muzviito zvose zvakapoteredza Petersburg, kunyanya achizvisarudzira amene nokupinda nechisimba muBoydton Plank Road. Mulholland akabudiswa mubasa rokuzvipira musi waJune 3, 1865. 