Tamlaght parish straddles the Tyrone-Londonderry county boundary with townlands located within both counties.
TAMLAGHT TOWNLANDS WITHIN CO. TYRONE
| Townland | Townland | Townland |
| Aghaveagh | Coagh | Drumad |
| Drumconvis | Mullaghtironey | Urbal |
TAMLAGHT TOWNLANDS WITHIN CO. LONDONDERRY
| Townland | Townland | Townland |
| Ballydawley | Ballymoyle | Driminard |
| Lower Rusky | Tamlaght | Upper Rusky |
TITHABLE TOWNLANDS WITHIN CO. TYRONE
| Townland | Townland | Townland |
| Aghavey | Coagh | Coagh Gardens |
| Drumconvis | Mullaghory | Urbal |
TITHABLE TOWNLANDS WITHIN CO. LONDONDERRY
| Townland | Townland | Townland | Townland | Townland |
| Ballydally | Ballymoil | Drumadd | Rusky | Tamlaght |
TAMLAGHT PARISH TITHE APPLOTMENT BOOK
| SURNAME | GIVEN NAME | TOWNLAND |
| AKEN | James | Coagh |
| AKIN | John | Drumconvis |
| BEATY | Hugh | Ballydally |
| BELL | Andrew | Drumconvis |
| BELL | Gabriel | Drumconvis |
| BELL | James, Sen. | Drumconvis |
| BELL | Robert | Drumadd |
| BELL | Robert | Drumadd |
| BELL | Robert, Jun. | Drumconvis |
| BELL | Robert, Sen. | Drumconvis |
| BELL | Samuel | Drumadd |
| BELL | Samuel | Drumadd |
| BELL | Thomas | Drumconvis |
| BERRY | David | Coagh |
| BERRY | Michael | Coagh |
| BERRYMAN | Thomas | Coagh |
| BLACKWOOD | Robert | Coagh Gardens |
| BLAINE | John | Tamlaght |
| BLAINE | Robert | Ballydally |
| BOOTH | John | Drumadd |
| BOOTH | John | Drumadd |
| BRIDGET | Andrew | Drumconvis |
| BROWN | James | Coagh |
| BROWN | James | Coagh Gardens |
| BROWN | James | Urbal |
| BROWN | Robert | Rusky |
| BROWN | Robert | Rusky |
| BROWN | Samuel | Ballymoil |
| BROWN | William | Ballydally |
| BROWN | William | Rusky |
| BROWN | William | Urbal |
| BROWN | William, Jun. | Urbal |
| BROWN | William, Sen. | Urbal |
| BURNSIDE | James | Rusky |
| CAIRNS | James | Drumadd |
| CAIRNS | James | Drumadd |
| CAMPBELL | Alexander | Mullagharory [Mullaghtironey] |
| CAMPBELL | Daniel | Coagh |
| CAMPBELL | James | Coagh |
| CAMPBELL | James, Sen. | Coagh |
| CAMPBELL | John | Mullagharory [Mullaghtironey] |
| CAMPBELL | Robert | Aghavey |
| CAMPBELL | Robert | Mullagharory [Mullaghtironey] |
| CANOVAN | Widow | Drumadd |
| CANOVAN | Widow | Drumadd |
| CHAMBERS | Widow | Aghavey |
| CHARLTON | James | Tamlaght |
| CHARLTON | John | Coagh |
| CHARLTON | Robert | Coagh |
| CIRGAN | Felix | Ballymoil |
| COLLINS | William | Mullagharory [Mullaghtironey] |
| CONYNGHAM | William L., Esq. | Coagh |
| CONYNGHAM | William L., Esq. | Drumconvis |
| COOK | Archibald | Tamlaght |
| COOK | John | Tamlaght |
| COULTER | Archibald | Urbal |
| COWAN | Rev. John | Urbal |
| CUSHELY | Mark | Ballymoil |
| CUSHELY | Widow | Ballymoil |
| DAVIDSON | Robert | Aghavey |
| DEVLIN | Hugh | Drumadd |
| DEVLIN | Hugh | Drumadd |
| DEVLIN | John | Drumadd |
| DEVLIN | John | Drumadd |
| DEVLIN | Patk. | Drumadd |
| DEVLIN | Patrick | Drumadd |
| DIXON | Thomas | Coagh |
| DIXON | Widow | Coagh |
| DOGHERTY | Robert | Urbal |
| DONAGH | William | Aghavey |
| DOWNING | Bernard | Ballymoil |
| DOWNING | John | Ballymoil |
| DUFF | Joseph | Drumconvis |
| DUFF | Thomas | Coagh Gardens |
| DUFF | Thomas | Mullagharory [Mullaghtironey] |
| DUNCAN | Widow | Ballymoil |
| DUNLAP | James | Mullagharory [Mullaghtironey] |
| DUNLAP | John | Mullagharory [Mullaghtironey] |
| DUNLAP | Samuel | Aghavey |
| DUNLAP | William | Aghavey |
| EDMONSTON | Andrew | Aghavey |
| EDMONSTON | James | Aghavey |
| EDMONSTON | William | Aghavey |
| EWINGS | John | Drumconvis |
| FAULKENER | James | Coagh Gardens |
| FERGUSON | Andrew | Mullagharory [Mullaghtironey] |
| FERGUSON | John | Ballymoil |
| FERGUSON | Mr. | Coagh Gardens |
| FERGUSON | Robert | Drumadd |
| FERGUSON | Robert | Drumadd |
| FERGUSON | Robert | Mullagharory [Mullaghtironey] |
| FERGUSON | Thomas | Urbal |
| FIELD | Mr.? | Coagh Gardens |
| FLACK | Mathew | Urbal |
| FRAZIER | George | Rusky |
| GEORGE | John | Coagh |
| GEORGE | John | Mullagharory [Mullaghtironey] |
| GEORGE | Mathew | Ballydally |
| GEORGE | Matthew | Coagh Gardens |
| GEORGE | Widow | Mullagharory |
| GERAGHTY | Thomas | Coagh |
| GIBBINS | James | Coagh |
| GIBSON | James | Coagh |
| GIBSON | James | Drumadd |
| GIBSON | James | Drumadd |
| GIBSON | John | Coagh |
| GIBSON | William | Aghavey |
| GILMORE | Thomas | Aghavey |
| GILMORE | Thomas | Ballymoil |
| GILMORE | Thomas | Mullagharory [Mullaghtironey] |
| GORMAN | James | Ballydally |
| GREER | John | Ballymoil |
| GREER | Widow | Ballymoil |
| HAMILTON | Alexr. | Tamlaght |
| HAMILTON | Charles | Coagh |
| HAMILTON | Charles | Urbal |
| HAMILTON | Ecly | Mullagharory [Mullaghtironey] |
| HAMILTON | Gawen | Tamlaght |
| HAMILTON | Hugh | Tamlaght |
| HAMILTON | James | Ballydally |
| HAMILTON | James | Drumconvis |
| HAMILTON | James, Junr. | Ballydally |
| HAMILTON | John | Drumadd |
| HAMILTON | John | Drumadd |
| HAMILTON | John | Drumadd |
| HAMILTON | Thomas | Coagh Gardens |
| HAMILTON | Thomas | Drumadd |
| HAMILTON | Thos. | Drumadd |
| HAMILTON | Widow | Drumadd |
| HAMILTON | Widow | Drumadd |
| HAPPER | James | Drumadd |
| HAPPER | James | Drumadd |
| HAPPER | Widow | Drumadd |
| HAPPER | Widow & Wm. | Drumadd |
| HAPPER | William | Drumadd |
| HAPPER | Wm. & Widow | Drumadd |
| HARARAN | Daniel | Coagh Gardens |
| HARKNESS | Samuel | Drumconvis |
| HARRIS | William | Ballymoil |
| HIGGINS | John | Coagh Gardens |
| HOGG | Henry | Drumadd |
| HOGG | Henry | Drumadd |
| HOGG | James | Ballydally |
| HOGG | Martha | Drumadd |
| HOGG | Martha | Drumadd |
| HOGG | Robert | Rusky |
| HOGG | William | Coagh |
| HOGG | William | Coagh Gardens |
| HUNTER | Henry | Coagh Gardens |
| HUNTER | William | Coagh |
| JOHNSON | Frederick | Ballymoil |
| JOHNSON | Robert | Coagh |
| JOHNSON | Whaley | Coagh |
| JOHNSON | Widow | Drumadd |
| JOHNSON | Widow | Drumadd |
| JOHNSON | Widow | Rusky |
| JORDAN | Alexr. | Ballymoil |
| JUNK | William | Drumconvis |
| KANE | James | Coagh |
| KANE | James | Coagh Gardens |
| KENNEDY | Mrs | Coagh Gardens |
| KERNAGHAN | William | Aghavey |
| LAMAN | Robert | Drumadd |
| LAMON | Edward | Drumadd |
| LAPSLEY | James | Coagh |
| LATIMORE | Hugh | Rusky |
| LAWSON | Mrs | Coagh Gardens |
| LEECH | James | Rusky |
| LEECH | William | Drumadd |
| LEECH | William | Drumadd |
| LONG | John | Aghavey |
| MACKERAL | George | Drumconvis |
| MACKERAL | John | Drumconvis |
| MACKEY | Captain | Aghavey |
| MALLON | John | Coagh Gardens |
| MALLOY | Hugh | Coagh |
| MALLOY | Hugh | Coagh Gardens |
| MALONE | Peter | Ballymoil |
| MARTIN | Alexander | Aghavey |
| McATEER | William | Tamlaght |
| McCALVEY | John | Rusky |
| McCANN | Henry | Tamlaght |
| McCARTER | Mrs | Coagh |
| McCARTER | Patrick | Coagh |
| McCARTER | Patrick | Coagh Gardens |
| McCARTER | Patrick | Urbal |
| McCLEERY | James | Aghavey |
| McCLEERY | Widow | Rusky |
| McCOMB | John | Coagh |
| McCOMB | John | Coagh Gardens |
| McCOMB | John | Tamlaght |
| McCORD | Thomas | Drumconvis |
| McCULLAGH | Arthur | Ballymoil |
| McELDOON | John | Drumadd |
| McELDOON | John | Drumadd |
| McENTEGART | Daniel | Aghavey |
| McENTIRE | William | Coagh Gardens |
| McENTIRE | William | Drumconvis |
| McGAGHY | Isaac | Rusky |
| McGEE | Arthur | Drumconvis |
| McGEE | Daniel | Rusky |
| McGEE | John | Rusky |
| McGEE | William | Tamlaght |
| McGILLIAN | Patrick | Urbal |
| McGOLPHIN | Henry | Coagh Gardens |
| McGORRERY | Bernard | Ballymoil |
| McGORRERY | Edward | Ballymoil |
| McGUCKIAN | Hugh | Drumconvis |
| McGUCKIAN | Thomas | Drumconvis |
| McGUCKIAN | Widow | Drumconvis |
| McKEOWN | John | Coagh |
| McKEOWN | Robert | Tamlaght |
| McKEWON? | John | Tamlaght |
| McMORRAN | Robert | Urbal |
| McMURRAY | Alexr. | Ballymoil |
| McNOE | Joseph | Coagh Gardens |
| McVEY | John | Ballymoil |
| MILIKIN | John | Ballydally |
| MONTGOMERY | Hugh | Coagh |
| MONTGOMERY | James | Coagh |
| MONTGOMERY | William | Coagh |
| MOORE | Thomas | Ballydally |
| MOORHEAD | William | Aghavey |
| MURDOCK | David | Drumconvis |
| MURDOCK | William | Drumconvis |
| MURPHY | Elizabeth | Coagh Gardens |
| MURRAY | Peter | Rusky |
| NESBIT | Archibald | Tamlaght |
| NEWTON | Mr. | Coagh Gardens |
| NEWTON | Robert, Esq. | Coagh |
| NEWTON | Robert, Esq. | Urbal |
| NISBETT | William | Ballydally |
| NORRIS | James | Drumadd |
| NORRIS | James | Drumadd |
| O’NEIL | Arthur | Ballymoil |
| O’NEIL | Francis | Ballymoil |
| O’NEIL | William | Coagh Gardens |
| OWENS | Robert | Aghavey |
| OWENS | William | Aghavey |
| QUIN | James | Drumconvis |
| RAINEY | Samuel | Mullagharory [Mullaghtironey] |
| RALLINS | Edward | Drumadd |
| RALLINS | Edward | Drumadd |
| RICE | Daniel | Ballymoil |
| RICE | William | Ballydally |
| RODNEY | George | Ballymoil |
| RYND | Captain | Drumadd |
| RYND | Captain | Drumadd |
| SAMPSON | Mr. | Coagh Gardens |
| SHAW | David | Ballydally |
| SHAW | James | Rusky |
| SHAW | John | Ballydally |
| SHAW | Thomas, Senr. | Ballydally |
| SHAW | Thos., Junr. | Ballydally |
| SKEFFINGTON | John | Drumconvis |
| SLEMINS | Thomas | Coagh Gardens |
| SLOAN | James | Ballydally |
| SMITH | Samuel | Ballymoil |
| SMYRL | Samuel | Drumconvis |
| SMYTH | William | Aghavey |
| SNIPE | Robert | Ballydally |
| SPIER | William | Drumadd |
| SPIER | William | Drumadd |
| STORY | Duncan | Coagh Gardens |
| TAYLOR | John | Tamlaght |
| TAYLOR | Robert | Rusky |
| TAYLOR | Samuel | Coagh |
| TENY | Peter | Ballymoil |
| THOMPSON | Alexander | Coagh |
| THOMPSON | George | Ballydally |
| THOMPSON | John | Coagh |
| THOMPSON | John | Coagh Gardens |
| USHER | Thomas | Rusky |
| VANCE | Adam | Aghavey |
| VANCE | John | Aghavey |
| VANCE | William | Aghavey |
| VANCE | William | Coagh Gardens |
| WALIS | Andrew | Drumconvis |
| WALKER | James | Coagh |
| WALKER | Joseph | Coagh |
| WALKER | William | Drumadd |
| WALKER | William | Drumadd |
| WALLACE | Thomas | Aghavey |
| WALLACE | Thomas | Aghavey |
| WATSON | James | Rusky |
| WILSON | James | Aghavey |
| WILSON | James | Ballydally |
| WILSON | James | Ballymoil |
| WILSON | Samuel | Coagh Gardens |
| WILSON | Thomas | Mullagharory [Mullaghtironey] |
| WILSON | William | Ballydally |
| WRIGHT | John | Rusky |
| YOUNG | Joseph | Urbal |
| YOUNG | Robert | Rusky |
| YOUNG | Robert | Urbal |
| YOUNG | Samuel | Mullagharory [Mullaghtironey] |
| YOUNG | Walter | Coagh Gardens |
| YOUNG | William | Coagh |
| YOUNG | William, Jun. | Mullagharory [Mullaghtironey] |
| YOUNG | William, Sen. | Mullagharory [Mullaghtironey] |