Found a bit for you from Coleraine Chronicle- not sure if they are all connected. Until recently Edmundsons were monumental sculptors in Coleraine. Might have more later.
8 Aug.1846: On the 1st. inst., at the home of her son, in Ballymena, in the 67th year of her age, Margaret, relict of the late Samuel Edmiston, cabinet maker, and eldest daughter of the late Mr. William Maphett, merchant, Belfast.
29 Dec.1855: At Killowen Parish Church, on the 24th instant, by the Rev. W.W. Stillito, Mr. William Edmiston, to Mary Jane Jackson, both of Coleraine.
1 Dec.1860: At New Row Presbyterian Church, Coleraine, on the 24th ult., by the Rev. J.A. Canning, Mr. John Edmundson, to Miss Susan Martin, both of Coleraine.
28 Sept.1861: At the Parish Church, Coleraine, on the 24th inst., by the Rev. Mr. Radcliffe, Mr. William J. Ellis, compositor, Chronicle Office, to Mary Elizabeth, only daughter of Mr. Benjamin Edmondson, both of Coleraine. [Note: St. Patrik's Parish Church]
15 Feb.1862: At Terrace Row Church, on the 14th inst., by the Rev. J. Macdonnell, Mr. William Edminston, Kilmaconnell, to Mary, daughter of Mr. Daniel Thompson, Whitehill. {Note: Terrace Row Presbyterian Church]
18 Apr.1863: At Killowen, Coleraine, on the 15th inst., James, son of Mr. John Edminston, aged 13 years.
25 July 1863: At Bell House Lane, Coleraine, on the 23rd inst., the wife of Mr. John Edmundson, of a son.
1 Oct.1864: At Stone Row, Coleraine, on the 26th ult., John, son of Mr. Robert Edminston, cabinetmaker, aged 5 yrs and 8 months.
18 Nov.1865: At Upper New Row, Coleraine, on the 17th instant, the wife of Mr. John Edmundson, of a son.
2 May 1868: At Lower Stone Row, Coleraine, on the 26th ult., the wife of Mr. John Edmundson, of a daughter.
26 Sept.1868: At Ferryquay Street, Coleraine, on the 24th inst., Betty, relict of the late Mr. Samuel Edmundson, at the advanced age of 103 years.
27 Feb.1869: At Stone Row, Coleraine, on the 19th inst., the wife of Mr. Robert Edmundson, of a son.
