Lendrum - Lett 

Lendrum. Scottish toponymic origins. They came from Aberdeenshire and have been in Co. Fermanagh and Co. Tyrone in Southern Ulster since the Mid - 17th Century AD after the Confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Dal Cuinn "Northern" Ui Niaill territories there and the Foreign non - Catholic Plantations there.

O Lenaghan or O Lenihan or O Linehan or O Lenahan - Irish / Ua Leannachain - leannach / sorrowful. A Sept / Family branch, who had their territory in Co. Roscommon in the east of the Connacht Province.

Mac Lenaghan. See - Mac Clenaghan.

O Lenigan. Used as a variant for O Lanigan, which see. Sometimes also for O Lenihan, which see.

O Lenahan or O Lenihan or O Leneghan or O Linehan - Irish / Ua Luingeachan. A Sept / Family branch, who had their territory in and were Chiefs in Co. Tipperary in Ormond / Aur Mhumhain / North Eastern Munster and are now in Co. Limerick and Co. Cork in Munster.

O Lenane or O Lennane - Irish / Ua Lonnain. See O Linnane and also O Lennon. A Sept / Family branch, who had their territory in the west of Co. Cork in Desmond / Des Mhumhain / Southern Munster.

Lenhunt -

Leigh -

Leman -

Lennard -

O Lennon or O Lennan or O Leonard - Irish / Ua Leannain - leannan / lover. A Sept / Family branch who were based on the Sodhan pre - Gaelic tribe who had their territory in the east of Co. Galway and Co. Mayo in the south - west of the Connacht Province.

O Lennon or O Lennan or O Leonard. An Erenagh Sept / Family branch, who had their territory at Lisgoole in Co. Fermanagh in the south - west of the Ulster Province. See also - Mac Leonard

O Lennon or O Lennan or O Leonard. A Sept / Family branch, who had their territory in Co. Cork in Desmond / Des Mhumhain / Southern Munster. N.B. Also anglicized as O Linnane, O Lonnain, O Lenane and O Lonagain or O Lannigan, which see, in the west of Co. Cork. See also O Lunney - Irish / Ua Luinigh in Co. Donegal in the north - west of the Ulster Province. Also Ua Leannain was used as a synonym for O Linneen, which see - Irish / Ua Luinin in Co. Fermanagh in the south - west of Ulster.

Mac Lennon or Mac Lennan. Used as a variant also for Mac Lenaghan, *Mac Alinion and Mac Alonan, which see. Previously *Mac Alenan - Irish / Mheic Ailgheanain in Co. Galway in Southern Connacht. 

Mac Lennon or Mac Lennan. Scottish origins -

Lenox  -

Lenton -

Leo - lion / lea / meadow -

Leo / de Lau. They were in Co. Limerick in the mid - north - west of the Munster Province.

Leonard. English name. Used to anglicize O Lennon, O Linnane, O Linneen, O Lunny, Gilsenan, Mac Alinion, Nanany etc, which see. Also see previous entries.

Mac Leonard. The most important Heremonian Ui Cobhthaigh Dal Cuinn Colla da Crioch Siol Daim Argait (Ui Cremthainn) Muintir Pheodachain / Muintir Feadachain Sept / Family branch, who had their territory in Co. Fermanagh in the south - west of the Ulster Province where they were Kings and Chiefs. See - O Lennon and Especially see - Mac Alinion.

O Lerhinan or O Lernihan - Irish / Ua Loirgneain. A Sept / Family branch, who had their territory in Co. Clare in the north - west of Thomond / Tuaisceart Mhumhain / Northern Munster. Not connected to O Lardner - Irish / Ua Lorgnain or O Largan / Ua Lairgneain.

Mac Lerney. See - Mac Alearney and Mullarney.

Mac Lernon. See - Mac Larnon.

Mac Leroy. Used as a variant in the south of Co. Down in the south - east of the Ulster Province for Mac Gilroy, which see.

Leslie or Leseley. Scottish toponymic origins. They were in Co. Monaghan in Southern Ulster in the 17th Century AD after the Confiscation of the 3,500,000 acres of the Heremonian Ui Cobhthaigh Dal Cuinn "Northern" Ui Niaill territories there and the non - Catholic Plantations there. See also - Losty.

Mac Lester. Used as a variant for Mac Alister, which see. See also - Lister.

Lestrange. Initially anglicized as Mac Enkegry - Irish / Mheic Conchoigcriche / border hound or warrior. They had their territory in Co. Offaly and nearby in Co. Westmeath in the far - west of the Leinster Province. See next entry as possible reason for change.

Lestrange. English origins. They were in Co. Westmeath in the south - west of Southern Leinster in the 16th Century AD.

Leth. They were in Co. Carlow in Southern Leinster and Co. Dublin in the north - east of Southern Leinster.

Lett -  Latin - laetitia / joy. English origins. They arrived into Co. Wexford in the south - east of Southern Leinster with the Oliver Cromwell Invasion.