How Much Sisters and brothers Does Mary Mackillop?

Mary MacKillop had two siblings: a brother, Alexander, and a sister, Mary Ann. Alexander was born in 1836 and Mary Ann was born in 1838. Mary MacKillop also had three half-siblings from her father's second marriage. They were John, Ann, and Donald.

• Alexander (Full Brother) - Born 1836
• Mary Ann (Full Sister) - Born 1838
• John (Half-Brother) - From Father's Second Marriage
• Ann (Half-Sister) - From Father's Second Marriage
• Donald (Half-Brother) - From Father's Second Marriage

In total, Mary MacKillop had two full siblings and three half-siblings.