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Lloyd-Mostyn, family, Barons Mostyn

This page summarises records created by this Family

The summary includes a brief description of the collection(s) (usually including the covering dates of the collection), the name of the archive where they are held, and reference information to help you find the collection.

Date: 1200-2005
History:

Ieuan Fychan (d. 1457) of Pengwern (Denbighshire) and Tre Castell (Anglesey) acquired lands in Mostyn (Flintshire) through marriage to Angharad, daughter and heir of Hywel of Mostyn. Gloddaeth (Carnarvonshire) was brought by marriage shortly before 1460. The Mostyn surname was adopted by Thomas ap Richard ap Hywel (d. 1558) and by his brother Peter, ancestor of the Mostyn baronets of Talacre. The Mostyns of Mostyn were created baronets in 1660. Beeston and Peckforton (Cheshire), and the former estates of the Hough and Whitmore families in Leighton, Great Neston and Thornton Hough (Cheshire), came with the marriage of Bridget, daughter and heir of D'Arcy Savage, to Sir Thomas Mostyn, 2nd Bt (1651-92). The bulk of the Mostyns' Anglesey property was disposed of c. 1732, but the marriage in 1766 of the 5th Bt to Margaret, daughter and heir of Dr Hugh Wynn, brought further estates at Berth Ddu (Denbighshire) and Bodysgallen (Carnarvonshire), as well as the former Lloyd estate of Bodidris (Denbighshire) and the Vaughan estate of Corsygedol (Merionethshire).

Following the death in 1831 of the 6th Bt, his brother-in-law Sir Edward Pryce Lloyd, 2nd Bt, of Pengwern (Flintshire) and Bodfach (Montgomeryshire), was created Baron Mostyn. The latter's son Edward Mostyn Lloyd inherited his uncle's estates, took the additional surname Mostyn and succeeded to the title in 1854. Beeston (Cheshire) was sold to John Tollemache in 1840, and the Mostyn Estates Act of 1842 was followed by substantial sales of land in Carnarvonshire, Cheshire, Denbighshire, Flintshire, Merionethshire and Montgomeryshire. Mostyn and Gloddaeth were retained, as were the family’s mining interests and its involvement in the development of Llandudno (Carnarvonshire).

Estates in 1883: Flintshire 5,462 acres, Carnarvonshire 2,025 acres, Denbighshire 292 acres total 7,779 acres worth £14,752 a year.

Places:
  • Beeston, Cheshire
  • Berthlwyd, Montgomeryshire
  • Bodfach, Montgomeryshire
  • Bodfari, Flintshire
  • Bodysgallen, Caernarfonshire
  • Caerwys, Flintshire
  • Churchstoke, Montgomeryshire
  • Corsygedol, Merionethshire
  • Corwen, Merionethshire
  • Edern, Caernarfonshire
  • Great Neston, Cheshire
  • Liverpool, Lancashire
  • Llanbister, Radnorshire
  • Llandanwg, Merionethshire
  • Llandegley, Radnorshire
  • Llandudno, Caernarfonshire
  • Llandyssil, Montgomeryshire
  • Llanfair, Merionethshire
  • Llanfawr, Merionethshire
  • Llanfyllin, Montgomeryshire
  • Llanidloes, Montgomeryshire
  • Llanrwst, Denbighshire
  • Llansannan, Denbighshire
  • London
  • Mold, Flintshire
  • Mostyn, Flintshire
  • Nannau, Merionethshire
  • Peckforton, Cheshire
  • Pengwern, Flintshire
  • Presteigne, Radnorshire
  • Ruthin, Denbighshire
  • St Asaph, Flintshire
  • Thornton Hough, Cheshire
  • Tre Castell, Anglesey
  • Whitford, Flintshire
Sources of authority: Royal Commission on Historical Manuscripts, Principal family and estate collections L-Z, 1999
Name authority reference: GB/NNAF/F87376 (Former ISAAR ref: GB/NNAF/F10827 )
Collections
  Description Held by Reference Further information
1
13th cent-20th cent: Caernarfonshire (Gloddaeth, Llandudno, etc), Denbighshire (Bodidris, Llansannan, Llanwrst, etc), Flintshire (Mostyn, Pengwern, St Asaph, etc), Merionethshire (Corsygedol, Llandanwg, Llanfair, etc) and Montgomeryshire (Berthlwyd in Llanidloes, etc) deeds, legal and trust papers, rentals, accounts, estate, mining and Lloyd, Mostyn and Lloyd-Mostyn family corresp and papers 13th-20th cent, Anglesey (Tre Castell, etc) deeds and papers 14th-19th cent, Radnorshire (Llanbister, etc) estate papers 17th-19th cent and Cheshire (Beeston, Thornton Hough, etc) deeds and papers 13th-20th cent, with papers rel to houses at Bodidris (Denbighshire) 1818-24, Ruthin (Denbighshire) 1746, Gloddaeth (Caernarfonshire) 1854, Bodysgallen (Caernarfonshire) 1859, Corsydegol and Nannau (Merionethshire) 17th-18th cent and London 1721 and to the Hough, Savage, Vaughan and Whitmore families 16th-18th cent, etc
Bangor University, Archives and Special Collections
NRA 22953 Lloyd-Mostyn

See HMC Principal family and estate collections L-W, 1999 [62a]
2
14th cent-20th cent: Caernarfonshire (Gloddaeth, Llandudno, etc), Denbighshire (Llansannan, etc), Flintshire (Caerwys, Mold, etc), Merionethshire (Corsygedol, etc), Montgomeryshire (Churchstoke, Llandyssil, etc) and Radnorshire (Llandegley, Presteigne, etc) deeds, legal and trust papers, rentals, accounts, estate, mining, docks and Lloyd, Mostyn and Lloyd-Mostyn corresp and papers 14th-20th cent, with Cheshire (Thornton Hough, etc) deeds and papers 15th-19th cent, Liverpool (Lancs) leases 20th cent, household papers for Gloddeath (Caernarfonshire) and Mostyn (Flintshire) 19th-20th cent and Pengwern (Flintshire), Bodfach (Montgomeryshire) and Lincoln's Inn (London) 18th-19th cent, survey of Cheshire and Flintshire estates of William Hough 1576 and Pryce, Savage, Vaughan and Whitmore family papers 17th-18th cent
Flintshire Record Office
NRA 17858 Lloyd-Mostyn

See HMC Principal family and estate collections L-W, 1999 [62b]
3
1803-1990: Llandudno (Caernarfonshire) deeds, lease and sale registers and estate corresp and papers
Flintshire Record Office
See Annual Return 1999
4
18th cent-19th cent: Caernarfonshire (Plas Hen, etc) and Merionethshire (Corsygedol, etc) valuations, accounts and estate papers
National Library of Wales: Department of Collection Services
See HMC Principal family and estate collections L-W, 1999 [62e]
5
16th cent - 2005: Caernarfonshire (Bodysgallen, Llandudno, etc) deeds and estate papers, incl leases, maps, plans, rentals, cash and rate books
Flintshire Record Office
See Annual Return 2006
6
1737-1846: Denbighshire (Derwen, Llansannan, etc), Flintshire (Bodfari, Mold, etc), Merionethshire (Corwen, Llanfawr, etc), Montgomeryshire (Bodfach in Llanfyllin, etc) and Radnorshire (Llandegley, Presteigne, etc) deeds and estate papers
National Library of Wales: Department of Collection Services
See HMC Principal family and estate collections L-W, 1999 [62f]
7
1852-1876: Mostyn (Flintshire) colliery papers
Gwynedd Archives, Caernarfon Record Office
NRA 29828 Breese

See HMC Principal family and estate collections L-W, 1999 [62d]
8
16th cent-18th cent: Mostyn (Flintshire) and London household papers 1728-32 and Mostyn family accounts and corresp 1702-68, with deeds, abstracts and other papers accumulated by the family's agent Edmund Herbert 16th-18th cent
Flintshire Record Office
NRA 17858 Lloyd-Mostyn

See HMC Principal family and estate collections L-W, 1999 [62c]
9
13th cent-18th cent: Welsh literary, genealogical and political MSS acquired by the Lloyd-Mostyn and related families
National Library of Wales: Department of Collection Services
See HMC Principal family and estate collections L-W, 1999 [62g]
10
c1776-1927: family papers incl corresp and poetry
National Library of Wales: Department of Collection Services
See Annual Return 2017

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