No, it is not. The word "topping" is the present participle of the verb to top, and may be a verb or a noun (gerund).
Daniel Topping's birth name is Daniel Reid Topping.
Lynne Topping's birth name is Lynne Edea Topping.
Charles E. Topping has written: 'Topping genealogy (also Tapping)'
James Topping was born on 1974-12-18.
Norman Topping died in 1997.
Norman Topping was born in 1908.
Angela Topping was born in 1954.
Walter Topping was born in 1908.
Walter Topping died in 1980.
Dan Topping was born in 1912.
Dan Topping died in 1974.
Jenny Topping was born in 1980.