"Tyrone Ditches " are near the junctions of three civil parishes ie
BALLYMORE , KILLEVY and LOUGHGILLY
Poyntzpass is in the civil parish of Ballymore
I started with
1796
Flax Growers of Ireland
from
http://www.failteromhat.com/flax/armagh.phpGuy Hugh Creggan Armagh
Guy John Ballymore Armagh
Tagart Hugh Derrynoose Armagh
Tagart Owen, Jr. Derrynoose Armagh
Tagart Patrick Derrynoose Armagh
Taggart Owen, Sr. Derrynoose Armagh
thereafter I went by each civil parish
BALLYMORE
from
http://www.irishgenealogyhub.com/armagh/tithe-applotments/ballymore-parish.php#.V1bQWVeoc5SGuy, John - Townland : Ballymore Year : 1830
Guy, John - Townland : Ballynaleck Year : 1830
Guy, Mathew - Townland : Mullantur Year : 1830
Guy, Thomas - Townland : Ballymore Year : 1830
Tegart, Mrs. - Townland : Tullynacross Year : 1830
Tegart, George - Townland : Druminargal Year : 1830
Tegart, James - Townland : Ballymore Year : 1830
Tegart, James - Townland : Druminargal Year : 1830
Tegart, John - Townland : Druminargal Year : 1830
Tegart, Richard - Townland : Druminargal Year : 1830
Tegart, Sarah - Townland : Druminargal Year : 1830
KILLEVY
from
http://www.irishgenealogyhub.com/armagh/tithe-applotments/killevy-parish.php#.V1bRMFeoc5TGuy, Adam - Townland: Cloghog (Ld. Kilmorey) Year: 1835
Guy, Adam - Townland: Cornegal Year: 1835
Teggart, Patrick - Townland: Drumbanagher Year: 1835
LOUGHGILLY
1834 from
http://www.irishgenealogyhub.com/armagh/tithe-applotments/loughgilly-parish.php#.V1bOs1eoc5Q no entries found for either name.
next I would be checking out church records at PRONI downloadable arranged by civil parish
next
I would go to griffith-valuation. the quick index that gives townlands is
http://www.failteromhat.com/post1845.phpGuy Patrick Carrowmannan Loughgilly Armagh
Guy Patrick Ballard Killevy Armagh
Guy Owen Carrowmannan Loughgilly Armagh
Guy Michael Carrickgallogly Loughgilly Armagh
Guy Henry Carrowmannan Loughgilly Armagh
Guy John Ballynaleck Ballymore Armagh next I would look up each of these in the detailed version of
http://www.askaboutireland.ie/griffith-valuation/ I would find each poersons details and map ref and look up the map ref.. then look up the map offered and plot the homnestead . next I would jump to google maps, satellite view enlarge to the point street scenes are seen and move up and down roads that were possibly used by the ancestors
good luck onwards