Foster: son of Robert of Great Horwood Bucks, gent. Matriculated New College Oxford 15/02/1622 ns, aged 19; BA 22/11/1625, MA 06/06/1629, BD 25/05/1637, DD 05/09/1661; Fellow 1621, expelled by parliamentary visitors 1648, canon of Canterbury 1660, rector of Hardwick, Bucks 1661, until death there 26/03/1669.
| Year | Type | Name as Recorded | Location | Office/Status | Full Record |
|---|---|---|---|---|---|
| --- | Subsc | Barker, William | Hardwick / | Rector | View |
| 1631 | Subsc | Barker, Guilielmus | / | View | |
| 1661 | Vac(resignation) | Barker, Gulielmus | Eabberbury alias Adderbury / | Perpetual Vicar | View |
| 1661 | Appt(Institution) | Barker, Gulielmus | Hardwick / | Rector | View |
| 1669 | Vac(Death) | Barker, Gulielmus | Hardwick / | Rector | View |