[2] The Welsh language poet Robert Williams Parry was born in 37, Station Road, Tal-y-sarn, where a plaque designed by R. L. Gapper commemorates the connection.

[3] Other persons connected with the village were Annant, quarryman, preacher and bard, Gwilym R. Jones, bard and journalist, Idwal Jones [cy] author of the Welsh-language radio series SOS, Galw Gari Tryfan and Dame Elan Closs Stephens DBE (born 1948) a Welsh educator and Wales' representative on the BBC Board.

The 19th century methodist preacher John Jones, Tal-y-sarn, is also connected with the village, not by birth but because he settled here, becoming a shopkeeper and quarry owner as a sideline to his main vocation.

[4] The song "Ciosg Talysarn" by the Welsh folk singer Dafydd Iwan was written after two secret agents were found bugging a public telephone in Tal-y-sarn in 1982.

[citation needed] According to the United Kingdom Census 2021, 72.3 per cent of all usual residents aged 3+ in Talysarn can speak Welsh.