VCH for Gloucestershire says this man was minor canon of Hereford and lived in Hereford; he left curates at Westbury on Severn. (As Whyte) he was a 'secondary' at Hereford in 1577 and then held various minor canon offices there (custos, vicar choral, linked with Windmill Hill, St Stephen, Holm Lacy; he died as custos in 1607.
Fasti Herefordenses confirms he was elected vicar choral as B.A.in 1572; Vicar of Westbury 1580, Custos of the college in 1581 and again, for life, in 1584, died 1607
It is possible that others of the name of John White/Whyte in Gloucester diocese at the time could have been this man, as absentee.