No. The letter "P" dates from at least Roman times.
Pleasure P was born on December 27, 1984.
Douglas P. was born on April 27, 1956.
Carlos P Beltran was born on March 4, 1986, in Caracas, Venezuela.
Piper Indi Grace Palin was born on March 19, 2001 (Source: Going Rogue p.76)
El-P was born on March 4, 1975.
Otto P. Weyland was born on January 27, 1903.
James P. Hogan was born on June 27, 1941.
Albert P. Clark was born on 1913-08-27.
William P. Hayes was born on 1866-03-27.
Jay P. Sanford was born on 1928-05-27.
P. H. Moriarty was born on 1939-02-27.
Joseph P. Allen was born on 1937-06-27.