I came across this reference whilst looking for my own family and thought it might be of help to someone looking for Pebbles origin in Ireland.
Ulster Ancestry Free Pages County Down.
Feb 2004
A list of passengers intending to travel on the American Brig Ceres of New York
Herbert Forrester ,master ,departing the Port of Newry for New York ,
Sworn at Newry 31st May 1804
PASSENGERS
Robert Tronson age 17 a gentleman of Newtonhamilton Co Armagh
Thomas Hanlon ,age 26 a farmer of Armagh
Judith Hanlon, age 26 his wife of Armagh
Joseph Love age 23 a labourer of Armagh
Rose Love age 18 his wife of Armagh
John Pebbles age 43 a gentleman of Hamiltonsbawn
Ann Pebbles age 37 his wife of Hamiltonsbawn
Margaret Pebbles age 14 of Hamiltonsbawn
Sarah Pebbles age 9 of Hamiltonsbawn
Annabella Pebbles age 5 of Hamiltonsbawn
Mary Jane Pebbles ,an infant of Hamiltonsbawn.
Ann Murray age 26 spinster of Fivemiletown , Co Tyrone
Betsy Murray age 23 spinster of Fivemiletown Co Tyrone
Mary Patterson age 34 spinster of Lisdromore
Patrick McConnell age 24 a labourer of the Moy Co Armagh
Kitty McConnell his wife age 22 of the Moy Co Armagh
I hope this helps someone.
John.