The Kilkie clan decended from John Kilkie (1780) were recorded as born in Glenkeen, Clondermot. Recent maps including Google show Glenkeen as an area in Waterside, ie on the eastern side of the Foyle.
Historically Waterside was the protestant part of Derry but in recent years the mix of religions has become about even. Derry's Railway station is in Waterside but is named Londonderry Station. Politically most of the Waterside City Councillors are Unionist and refer to the city as Londonderry.