Viscount Southwell of Castle Matress in Limerick is in Viscount Ireland.
On 18th July 1776 Thomas Southwell 1st Viscount Southwell [aged 55] was created 1st Viscount Southwell of Castle Matress in Limerick.
On 29th August 1780 Thomas Southwell 1st Viscount Southwell [aged 59] died. His son Thomas [aged 38] succeeded 2nd Viscount Southwell of Castle Matress in Limerick, 4th Baron Southwell of Castle Mattress in Limerick, 5th Baronet Southwell of Castle Matress.
On 15th February 1796 Thomas Southwell 2nd Viscount Southwell [aged 53] died. His son Thomas [aged 18] succeeded 3rd Viscount Southwell of Castle Matress in Limerick, 5th Baron Southwell of Castle Mattress in Limerick, 6th Baronet Southwell of Castle Matress.
On 14th May 1799 Thomas Southwell 3rd Viscount Southwell [aged 22] and Jane Berkeley Viscountess Southwell were married. She by marriage Viscountess Southwell of Castle Matress in Limerick.
On 29th February 1860 Thomas Southwell 3rd Viscount Southwell [aged 83] died. His nephew Thomas [aged 23] succeeded 4th Viscount Southwell of Castle Matress in Limerick, 6th Baron Southwell of Castle Mattress in Limerick, 7th Baronet Southwell of Castle Matress.
On 26th April 1878 Thomas Southwell 4th Viscount Southwell [aged 42] died. His son Arthur [aged 5] succeeded 5th Viscount Southwell of Castle Matress in Limerick, 7th Baron Southwell of Castle Mattress in Limerick, 8th Baronet Southwell of Castle Matress.
On 5th October 1944 Arthur Southwell 5th Viscount Southwell [aged 71] died. His son Robert [aged 46] succeeded 6th Viscount Southwell of Castle Matress in Limerick, 8th Baron Southwell of Castle Mattress in Limerick, 9th Baronet Southwell of Castle Matress.
On 18th November 1960 Robert Southwell 6th Viscount Southwell [aged 62] died. His nephew Pyers [aged 30] succeeded 7th Viscount Southwell of Castle Matress in Limerick, 9th Baron Southwell of Castle Mattress in Limerick, 10th Baronet Southwell of Castle Matress.
On 23rd September 2019 Pyers Southwell 7th Viscount Southwell [aged 89] died. His son Richard [aged 63] succeeded 7th Viscount Southwell of Castle Matress in Limerick, 9th Baron Southwell of Castle Mattress in Limerick, 10th Baronet Southwell of Castle Matress.