| 1822 |
The Catholic population in Ayrshire was growing and was ministered to by visiting priests, Bishop Cameron sent Rev William Thomson to be the first Parish priest. |
| 1826 |
After much petitioning by the Rev William Thomson, the foundation stone was laid for the St Margaret’s. |
| 1827 |
The new St Margaret’s church was officially opened. |
| 1895 |
A permanent school was opened for the children of St Margaret’s in a new building adjacent to the church. |
| 1930 |
St Margaret’s High School opened in Whitletts Road when all classes were transferred from the ‘wee school’ next to the church. This became the church hall. |
| 1978 |
The old chapel house was demolished due to the realignment and upgrading of John Street. A new chapel house was built to the north of the church. |
| 1986 |
The Old School Building was raized to the ground to make way for the new church hall. |
| 1989 |
The new Church Hall was opened by Provost McNeill. |
| 1999 |
Works start on the renovations of St Margaret’s. |
| 2000 |
St Margaret’s re opens. Parishioners Pat Lynch, Mary Godfrey, Lee Galloway and Ken Burrell cut the ribbon. |
| 2007 |
Pope Benedict XVI accepted the petition of Right Reverend John Cunningham, the 7th Bishop of Galloway, to move the cathedral seat to St Margaret’s Church, Ayr. |