William married Mary Costello daughter of Michael Costello and Alice Costello (?) in 1850 in Brisbane Qld.. Mary was born in 1832 in Kells Meath, Ireland. She died 1 on 14 Aug 1880 in May Street South Brisbane Qld. She was buried on 14 Oct 1880 in South Brisbane Cemetery Qld..
They had the following children:
+ 2 F i Frances Wills + 3 F ii Alice Wills 4 F iii Mary Clare Wills was born in 1856 in Brisbane Qld.. 5 F iv Sarah Jane Wills was born 1 on 3 Oct 1857 in Brisbane Qld.. She died 2 on 5 Dec 1887 in Brisbane Qld.. + 6 F v Lucy Margaret Wills + 7 M vi William Thomas Wills 8 M vii George French Baldwin Wills was born 1 on 26 Nov 1864 in Brisbane Qld.. He died 2 in 1895 in Brisbane Qld.. 9 F viii Georgina Louisa Wills was born 1 on 14 Jan 1867 in Brisbane Qld..