Maguire akanga asina kudhakwa kubva pazera remakore 19 mushure mokunge asangana ne "zvimwe zvinetso" nedoro mumakore ake ekupedzisira ekuyaruka. Maguire akasangana nomugadziri wezvishongo Jennifer Meyer muna 2003 paaipfura firimu Seabiscuit paUniversal Studios, uye vakava vakabatanidzwa muna April 2006. Mwanasikana wavo akaberekwa munaNovember 2006. Maguire naMeyer vakaroorana muna September 3, 2007, muHawaii. Mwana wavo wechipiri, mwanakomana, akaberekwa muna May 2009.
Kona, Hawaii