Timlin & Mayo history from Irish Times 

Irish Times  1/13/13

Timlin households in each county in the Primary Valuation property survey of 1847-64.

See Map at Link for interactive information

Cavan

1

Fermanagh

1

Galway

1

Mayo

42

Monaghan

1

Roscommon

1

Sligo

11

Tyrone

1

SURNAME DICTIONARY/ SLOINNTE NA h-EIREANN

Tomilin

Very rare: N Down. Ir. ? Mac Toimilín. See Timlin.

Tomlin

rare: Dublin. Another diminutive of Thomas.

Tymlin

rare: Dublin. Ir. Mac Toimilín. See Timlin.

Timlin

Quite numerous: Galway-Mayo, Donegal-Tyrone. Ir.

Mac Toimilín, dimin. of Thomas. A family of Welsh origin who became gaelicised in Mayo. MIF.

http://www.irishtimes.com/ancestor/surname/index.cfm?Surname=Timlin&fuseaction=Go.