September 18, 1846Foundation to Chicago from Pittsburgh - M Frances Warde
September 18, 1828Catherine sold Coolock House and estate to Henry Brooks
September 20, 1869Foundation to Wilmington, North Carolina originated from Sisters of Our Lady of Mercy in Charleston, South Carolina- M Augustine Kent
September 20, 1841Catherine left Birmingham on her last journey - back to Baggot St
September 21, 1893Foundation to Marshalltown, Iowa from Providence, Rhode Island - M Angela Delaney
September 21, 1862Foundation to Batavia, NY from Rochester - M Stanislaus McGarr
September 22, 1858Foundation to Moorfields, London from Wexford - M Joseph Kearney
September 23, 1875Foundation to John's Hill, Waterford from Clonakilty - Margaret M Maher
September 23, 1954Foundation to Tacloban City, Phillipines from St Maries of the Isle, Cork
September 23, 1873Foundation to Michigan from Brooklyn, New York - M Joseph Lynch
September 23, 1850Foundation to Loughrea, Co Galway from Tullamaore - M Joseph Delamere
September 23, 1846Foundation to Chicago II - Superior M Agatha O'Brien (just professed)
Foundation to Croydon from Bermondsey - Sr Winifred Furlong. An Industrial School begun for girls.
Foundation to Doncaster, South Yorkshire from Clifford.
September 24, 1861Mater Misericordiae Hospital Dublin, Ireland formally opened by Cardinal Paul Cullen
September 24, 1838Foundation to Limerick from Baggot St - M Elizabeth Moore
September 24, 1839Foundation to Naas from Carlow - M Josephine Trenor
September 24, 1827House of Mercy opened, Baggot Street, Dublin
September 25, 1898St Vincent's Orphanage opened, Dunedin
September 25, 1868Ardagh Chalice (9th century celtic art) found on convent property, Limerick
September 27, 1873Mercy Hospital was established in Iowa City, Iowa.
September 28, 1987Opening of Aiseiri Alcoholic Treatment Centre, Wexford - Eileen Fahey
September 28, 1908Opening of Mt St Mary College, North Plainfield, New Jersey

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September 25, 2019