1818. This year we find him preaching in different chapels in Bristol, London, Birmingham, Kidderminster, Alcester and Gloucester. June 3rd, he preached to the Brecon congregation from Romans 8:3,4. September 27th, Dr [William] Steadman [1764-1837] preached instead of him.
1819. June 16th, preached to the congregation in New Town [Mid Wales] from John 6:40. I heard Mr Thomas preach there with such power and effect that it made one old sister, of the Llangeitho stamp, jump for joy. There were several others who were ready to agree with her; but their "outer man" was less noble than hers and so they stayed rooted to the floor on that occasion. September 6th, he preached at the funeral of the excellent Mr John Harris [b 1745] from 1 Corinthians 15:7. October 6th, he preached at the opening of the Baptist building in Ross from John 4:20-24.
1820. February 23rd, he preached at the ordination of Mr W.[illiam] Rogers in Garaway [Herefordshire] (now in Dudley) from Deuteronomy 2:20. June 7th, he preached to the Merthyr congregation from 1 John 4:10. This year also we find him preaching in Nantyglo, Brecon and Pontestyll [Llanspyddid, Breconshire]. From the 12th to the 23rd of March we find him in Llanlleifiad and preaching nine times in six different meeting houses. From the 26th of the same month until the 14th of May, he was in London. He preached 25 times in 15 different chapels. The names and the times he was there are all written down in his notebook. In July, he preached in Birmingham, and other places, when returning home.
1821. April 22nd, Mr Thomas baptised James Edwards (1800-1887), who for years has been a well known minister in the town of Nottingham. May 20th, we find him preaching in Eagle Street, London., and on the 22nd he preached in a missionary meeting in Tredegar from Zechariah 14:9, 10. June 6th, he preached to a congregation in Pontnewydd, Builth, from John 6:44. July 19th, he preached at Mr Johns' ordination in Caerwent from Acts 27:18.
1822. In the month of July, he preached in the annual meeting of the Baptist Mission in London; and in different places in the capital. He also preached in Reading and Bath when returning.
1823. July 4th, he preached in the Maes Y Berllan congregation from Philippians 1:27. This year also we find him preaching in Drehir, Allt Yr Ynys and in various other places in that area.
1824. He preached in the Tredegar congregation from John 3:19. In the same month we find him preaching in Broadmead, Counterslip, and other places in Bristol. In July he preached in Bath, Exeter, Plymouth and Devonport.
1825. August 7th, Mr Thomas says he baptised one John Jones, who was 85 years old.
1828. In July and September we find him preaching in various places in Swansea and Birmingham.