Ingham was elected elder in his Tadcaster congregation in 1762. John Barnard's correspondence led to Sandeman's London visit and the establishment of the first Glasite, or outside Scotland, Sandemanian congregation in London at Glover's Hall, Beech Lane, Barbican, 23 March 1762. Cudworth, Barnard, and James Allen, a convert from Ingham, were instrumental to Sandeman and Glas in the establishment of Sandemanian congregations throughout England and Wales.
Ingham was elected elder for his congregation in Tadcaster in 1762. John Barnard's correspondence prompted Sandeman to visit London and establish the first Glasite or outside Scotland Sandemanian congregation at Glover's Hall, Beech Lane, Barbican on March 23, 1762. Cudworth, Barnard, and James Allen, who had converted from Ingham, were instrumental in spreading Sandemanian congregations throughout England and Wales.