[1] Born in 1810 in Washington, D.C., Costigan worked as a carpenter in Baltimore, before settling in Madison, Indiana in 1837.
[1] Two of his important Madison commissions are the Lanier Mansion and the Charles Shrewsbury House, both National Historic Landmarks.
He left Madison for Indianapolis in 1851 where he designed residences and public buildings.
Notable works included the Institute for the Education of the Blind, the Bates House (1852-3), the Odd Fellows Building (1853), the Gatling Gun Club, the Wallace Residence and the Groves Residence.
[1] According to historian Wilbur Peat, Costigan was Indiana's "outstanding architect" in the state's formative years.