Venn: Adm. pens. (aged 18) at TRINITY 26 June 1728. Son of Anthony (1694) R of Little Waltham, Essex (Probably CCEd 48975); born there; school Westminister; matric. 1728, scholar 1729; BA 1731/2; MA 1735; fellow 1734; ord. deacon (Lincoln)5 Mar. 1731/2.
Venn in error attributes the following to a John Holbrook of ST JOHN's College earlier "Will of one of these 1764 Hailes, Gloucs, clerk".
| Year | Type | Name as Recorded | Location | Office/Status | Full Record |
|---|---|---|---|---|---|
| 1733 | Ordi(ordination) | Holbrook, Johannes | / | deacon | View |
| 1734 | Subsc | Holbrook, John | Much Waltham / | Curate | View |
| 1734 | Ordi(ordination) | Holbrook, John | / | priest | View |
| 1746 | Appt(Institution) | Holbrook, John | Didbrook with the rectory of Pinney & Hayles Chape / | Vicar | View |
| 1746 | Appt(Institution) | Holbrook, John | Hales / | Chaplain | View |
| 1746 | Appt(Institution) | Holbrook, John | Pinnock / | Rector | View |
| 1746 | Appt(Institution) | Holbrook, John | Didbrook / | Vicar | View |
| 1747 | Subsc | Holbrook, John | Didbrook with Chapelry of Hayles / Pinnock | Vicar | View |
| 1765 | Vac(natural death) | Holbrooke, John | Didbrook / | Vicar | View |
| 1765 | Vac(Death) | Holbrooke, John | Didbrooke united with the rectory of Pinnock & Hay / | Vicar | View |