The Rocks of Tyholland & Donagh Parishes are listed as emigrating to Geelong, Victoria, Australia. They lived at the Billis Farm, Donagh, also at Aghnagap in Tyholland Parish. They had married Steensons, Douglas, Smith, Gilmours, Jebbs, Taylors & Gordons (at Legnacreeve). Those who lived at the Billis Farm emigrated to the USA, England & Australia. Some remained in Ireland until the late 1950's and were listed as living at The Billis Farm, Donagh Parish. The Church Records of Donagh, once the Official Church of the Monaghan Militia, are huge and contain much data about the Rock Families. Another Rock Family lived at Mucknoe Parish, near Castleblayney. The family of James Rock & Eliza Jane Gilmour included Sarah (b.1865) probably died young, Letitia (b.1867), Sara (b.1868) Matilda (b.1869), Rebecca (b.1869) probably died young, Rebecca (b.1872), Martha (b.1874), James Joseph (b.1876), Isabella (b.1878), Sophia (b.1880), Charlotte Lucinda (b.1884) - the tradition of renaming children using the same name as one who had died, predominated in the family of James Rockk & Eliza Jane Gilmour at Billis Farm.