Collection comprises material relating to Thomas Prys and his descendants, the Hughes family, of Pen yr Orsedd (sometimes referred to as Tyn yr Orsedd) including:
- Rent receipts and papers relating to the will of Thomas Prys, 1751-1808
- Notebook in shorthand written by Grace Hughes, on sermons, texts and preachers in the Llanrhuddlad/Cemlyn area, 1837-1840
- Letters to Owen Hughes, from his mother Grace and others, 1840-1845
- Account of property left by Catherine Hughes of Monachdy, 1847
- Sundry account book for Pen yr Orsedd, 1850-1852
- Highway rate book for the parish of Llanrhwydrus, 1858-1873
- Inventory of goods and chattels of John Hughes, 1871
- Apportionment of rents, tithes and rates for Ty fatw, Llanrhwydrus, 1873
- Miscellaneous letters, bills and receipts