brehi; bahss; & affreh.
In Scottish Gaelic: ath-bhreith; in Irish: athbhreith.
'A happy birthday',Lá breithe sona dhuit (A happy birthday to you) in Irish Gaelic.
The phrase "Lá breithe sona duit" means "Happy Birthday to you" in Irish (Gaelic).
You don't ... it's not Irish Gaelic.
The last name Regan/Reagan in Irish is Ó Riagáin. As a female first name the closest actual Irish name might be Ríonach.
One way would be: Lá breithe faoi shonas duit, a Mhíchíl.
a haon [In Irish, "a haen"] Scottish Gaelic is:
Means "Thank you" when addressing one person in Irish (Gaelic).
In Irish "Happy Birthday, (with) love, Mom" would be "Lá breithe shona dhuit,le grá, Mam".In Scottish Gaelic: ?
Irish (Gaelic): Lá breithe sona, a Anna!Scottish Gaelic: '(Co) là breith sona dhut, a Anna!'or 'Ceann-bliadhna sona dhut, a Anna!'
It is:Lá breithe sonas duit!At least, when I got my masters in Celtic languages and spent a month and a half in the Gaeltacht, that's what I was taught.Breithlá sona dhuit
Please specify Irish Gaelic or Scottish Gaelic: they are two separate languages.