Tavistock and its powerful Abbey 

Thought for a long time to have been founded in 961 by Ordgar, Ealdorman of Devon, more recent thinking is that it was founded of his son Ordwulf in 974;.
An 981 the charter of confirmation was granted by the English King ,Æthelred the Unready, who was Ordwulf's nephew, suggest this, with it an endowment of lands in Devon, Dorset and Cornwall. The monks owned nearby Hurdwick quarry and  the stone from there, which is notable for its greenish colour, was used
& Tavistock  town was built largely of this material.
The abbey became the second wealthiest in Devon after the Benedictine Abbey at  Plympton, its worth an estimated at £902. Tavistock Abbey was closely linked with the Benedictine abbey of Buckfast, which was founded at the same time. There is a pilgrim route across Dartmoor between the two that can still be followed today. 
Fairs & markets were an important part of the social structur of the time and in 1552 a charter for  fairs was granted to the Earl of Bedford, who was Lord of the Mano, by Edward IV . One on 23 April, the other on 28 November.
On 3 March 1539 the last abbot, John Peryn, together with twenty monks, surrendered the abbey to the king. They were granted a pension of a £100 
The town became a stannary or tin town, as well as a wool cloth and market town.  Tin taken there from Dartmoor where it was stamped & weighed with monthly courts  held for the regulation of mining affairs.

 BUCKLAND MONACHORUM s sometimes called Buckland Drake from the Drake family, is a village 4 miles from Tavistock. The parish has 6838 acres of land, including about 2000 acres of open moorland, woodland,  two copper mines and a tin mine and a woolen factory,

Guilielmus Pomeroye Marriage  17 Jul 1591 to Anna Creese in Buckland Monachorum

Guilielmus Pomeroye Baptism     4 Feb 1592 Buckland Monachorum son of   Guilmi Pomeroye

Elizabetha Pomeroye Baptism  20 Aug 1594 Buckland Monachorum daughter of   Guilmi Pomeroye

William Pomery Marriage   to Blanch Davy on 23 May 1681 at Buckland Monachorum

Whitchurch Research 2018

Whitchurch 

AJP started 27 Aug 2018 added June 2020

Genuki tells us 

"WHITCHURCH is  2 miles S.E. of Tavistock and a small scattered village  of  6450 acres of land,

 including 2523 acres are open commons and wastes, on the borders of Dartmoor. 

There are several lead and tin mines, the largest of which is the Wheal Anderton Tin Mine.

 the parish is in  Roborough Hundred, the Archdeaconry of Totnes, and the Diocese of Exeter. 

Tavistock FHS

Dartmoor Press Page on Whitchurch

http://web.archive.org/web/20070807062347/http://www.dartmoorpress.clara.net/indexpwhit.html

not far away  is BUCKLAND MONACHORUM s sometimes called Buckland Drake from the Drake family, a village 4 miles S. by E. of Tavistock. parish includes a great part of the large village of Horrabridge, which is partly in the parishes of Sampford-Spiney, Whitchurch, and Walkhampton; 6838 acres of land, including about 2000 acres of open moorland, woodland,  two copper mines and a tin mine and a woolen factory.

 Guilielmus Pomeroye Marriage  17 Jul 1591 Buckland Monachorum to Anna Creese - Guilielmus = William obviously 

 Guilielmus Pomeroye Baptism     4 Feb 1592 Buckland Monachorum Father  Guilmi Pomeroye

 Elizabetha Pomeroye Baptism  20 Aug 1594 Buckland Monachorum Father  Guilmi Pomeroye

 William Pomery Marriage 23 May 1681 Buckland Monachorum  to Blanch Davy

WHITCHURCH

Whitchurch BMD from FMP June 2020

Ralph Pomeroye   married Jone Guskett 2 Feb 1601at Whitchurch 

Henrye son of  Ralphe Pomeroy      Bb 25 Feb 1566 

Anne dau of Ralphe Pomeroy          Bb 6 June 1568

Jone dau of Ralphe Pomeroy          Bb 23 Aug 1573 

Jone dau of  Tamzyne Pomeroy      Bb 20 April 1573

Pomeroy Tamsyne  married William Jope 2 May 1584 at Whitchurch

Whitchurch BMD from FMP June 2020

 John Pomeroy  Married to his wife Alyse  at St Andrews Plymouth 10 Sept 1582

Alice (Alyse)  Pomeroy  Buried widow 8th Sept 1637 Whitchurch, Devon, 

Pomeroy Dorothie   daughter of John Bb 4 April 1585 at Whitchurch

Pomeroy John         son of John Bb 23 Jan 1588 baptism Whitchurch 

Pomeroy Thomas    son of John Bb 14 March 1590 baptism Whitchurch

Pomeroy John         son of John  Bb 9 Nov 1661 Whitchurch 

   Guilielmus Pomeroye Marriage  17 Jul 1591 Buckland Monachorum to Anna Creese - Guilielmus = William obviously 

 Guilielmus Pomeroye     4 Feb 1592 Buckland Monachorum Father  Guilmi Pomeroye

 Elizabetha Pomeroye     20 Aug 1594 Buckland Monachorum Father  Guilmi Pomeroye

Peter  Pomeroy              Bb 17 July 1596 baptism  - 

William Pomeroy            Bb 19 March 1602 Baptism

         William  Pomerye        1624 marriage Thomasine Blackdown 5 April 1624 at Whitchurch

Pomeroy William      son of William Bb 5 Dec 1624 Baptism

Pomeroy Nicholas      son of William Bb 26 Dec 1626 baptism

 William  Pomerye       1649 Marriage Thomasin Adams 10 Nov 1649 Whitchurch

Pomeroy   George     son of William Bb 17 Jan 1650 baptism Buried 31 Oct 1656 

Pommery William      son of William   Bb 23 April 1653 baptism  Buried 25 Oct 1656

Pomerie John            son of William Baptised 8 May 1656 baptism Buried 24 June 1658  

Thomasin Adams wife of William Pomeroy 1658 Buried 1 May 1658   at Whitchurch, Devon,

 William Pomery Marriage 23 May 1681 Buckland Monachorum  to Blanch Davy

Whitchurch Matches

Pomeroy Tamsyne      1584 married William Jope 2 May 1584 at Whitchurch

Pomeroye Ralph         1602 married Jone Guskett 2 Feb 1601

Pomerie  Jane            1615 married Matthew Drake 29 Jan 1615

Pomerye William        1624 marriage Thomasine Blackdown 5 April 1624

Pomerye John            1631 marriage Frances Rundle 28 Aug 1631

Pomery Margarett      1641 married  Andrew  Kingsman 18 Jan 1641

Pomerie William         1649 Marriage Thomasin Adams 10 Nov 1649 

Pomerie John             1660 Marriage Margery Reed 5 Feb 1660

Pomeroy William        1660 Marriage Tryphena Halelldon( Stapledon)  11 June 1660 

Pomery Agnes          1655 marriage Charles Stevens 30 Oct 1655

Whitchurch dispatches

Pomerey  Richard 1580 Buried 5 June 1580 at Whitchurch, Devonshire,  

Pomerey  Thomas 1585 Buried 31 Dec 1585 Whitchurch, Devon,  

Pomery    John         1586 Buried 19 Oct 1586 Whitchurch,   (adult)

Pomery    Jone         1602 Buried 15 Oct 1602 daughter of Ralfe Pomeroy at Whitchurch, Devon, 

Pomery    Ralfe         1606 Buried 22 Dev 1606 at Whitchurch, Devon, 

Pomerie   Mareine 1615 Buried 29 Oct 1615wife of John at Whitchurch,  

Pomery    Henrie    1619      Buried 26 Dec 1619  Whitchurch, Devon,  

Pomroy    William 1635 Buried 14 Aug 1635 Whitchurch, Devon,  

Pomeroy  Alice        1637    Buried widow 8th Sept 1637 Whitchurch, Devon, 

Pomerie   George 1656 Buried 31 Oct 1656 son of William at Whitchurch, Devon, 

Pomerie  Willi         1656 Buried 25 Oct 1656 son of William at Whitchurch, Devon,  

Pomery    John         1658 Buried 24 June 1658  son of William Pomeroy at Whitchurch, Devon, 

Pomery  Thomasin 1658 Buried 1 May 1658  wife of William at Whitchurch, Devon,