mə kˈɪləp ænd hɪz wˈaɪf, kˈæθi, hæv θɹˈiː tʃˈɪldɹən, ˈɔːl ʌv hˈuːm ɡɹˈædjuːˌeɪɾᵻd fɹʌm dˈeɪvɪdsən—kˈɛɹɪn ɪn tˈuː θˈaʊzənd θɹˈiː, mˈæt ɪn tˈuː θˈaʊzənd sˈɪks, ænd bɹˈɛndən ɪn tˈuː θˈaʊzənd ɪlˈɛvən.
McKillop and his wife, Cathy, have three children, all of whom graduated from Davidson—Kerrin in 2003, Matt in 2006, and Brendan in 2011.