John Eyre Jnr appears to have been baptised 28 Jan 1824 at Sheffield Parish Church, but born 30 March 1820, parents John and Mary, blacksmith.
There are some more baptism at Sheffield Parish Church where the parents are
John and Mary, blacksmith....
Thomas Eyre born 21 Dec 1823, baptised 28 Jan 1824.
Charlotte Eyre born 26 Apr 1818, baptised 17 May 1818.
George Eyre born 6 Apr 1815, baptised 17 May 1818.
Harriet Eyre born 6 Aug 1813, baptised 29 Aug 1813.
I have not found a marriage in Sheffield as yet, but will keep looking.
Thank you very much for such a prompt and informative reply. I am a little stunned !
I only found John Eyre 1820 and Thomas 1823 from the Sheffield Indexers lists. The other three Eyres you mention are completely new to me and I have never seen them in any records. Can i ask please where exactly you found them ?
I found the baptisms on Findmypast and also the following...
Marriage, 21 July 1811, Sheffield Parish Church.
John Eyre, bat, otp to Mary Fox, spin, otp, both made their mark.