- Piluzzo
- Pinelli
- Pinino
- Pinson
- Hannah Born: December 4, 1642, Died: 1695
- Pinta
- Pinto
- Anthony J. Born: September 20, 1916, Died: May 29, 1961
- Francesco Saverio
- Giuseppe Born: October 26, 1848
- John/Jack, Pinto/ Born: October 27, 1951, Died: March 28, 1994
- Joseph A. Born: June 20, 1911, Died: October 11, 1991
- Mario J. Born: November 3, 1913, Died: July 17, 1999
- Robert F. Born: February 18, 1947, Died: 2018
- Rosaria
- Saveiro Born: September 14, 1877, Died: April 2, 1933
- Pinzello
- Piombino
- Piperhagen
- Pippa
- Pirkle
- Pirozzi
- Francesco Born: August 14, 1825, Died: June 5, 1826
- Francesco Born: April 12, 1829
- Francesco Saverio Born: July 27, 1827, Died: May 26, 1828
- Giovanni Born: October 12, 1833
- Pietro Born: 1790
- Rosaria Born: June 18, 1823
- Sabato Born: September 19, 1818, Died: February 3, 1819
- Sabato Born: January 10, 1820
- Teresa Born: May 6, 1831
- Pirozzoli
- Pisani
- Pisano
- Cora Born: 1919, Died: 2010
- Pitocchelli
- Pitrolo
- Pittsenbarger
- Piwinski
- Pizzillo
- Pizzino
- Plants
- Platz
- Plegge
- Plincipe
- Plummer
- Pocock
- Poenitske
- Poggemiller
- Poirrer
- Polidori
- Polisena
- Polly
- Polvere
- Pompa
- Pompi
- Pompilio
- Anna Maria Antonia Maria Domenica Born: September 7, 1865
- Elvira Born: 1897
- Eugenio Born: November 26, 1895
- Francesco Domenico Born: April 14, 1870
- Giuseppe
- Giuseppe Luigi Ignazio Born: July 31, 1863
- Luigi Giuseppe Gaetano Born: August 10, 1861
- Maria Born: September 12, 1893
- Mario Born: June 26, 1907
- Mario Born: September 27, 1909
- Orazio Born: 1838
- Vincenza Maria Antonetta Born: January 11, 1868
- Vincenzo Born: May 28, 1891
- Ponton
- Poos
- Porretto
- Porter
- Post
- Potter
- Audra
- Blanche
- Charles C. Born: 1928
- Christopher
- Eleanor
- George
- George
- Gerald L.
- Gladys
- John R., Jr.
- John R., Sr. Born: 1886, Died: January 17, 1969
- Lisa
- Louis E., Sr. Born: July 28, 1921, Died: December 9, 2000
- Louis E., Jr. Born: February 13, 1948, Died: October 19, 2011
- Mark S.
- Pam
- Paul
- Ray, Jr.
- Raymond Louis, Sr. Born: August 1, 1946, Died: August 18, 2005
- Sharon
- Powell
- Power
- Alice K. Born: March 27, 1915, Died: January 23, 2002
- Andrew Born: May 27, 1909, Died: January 20, 1968
- John F. Born: 1906, Died: 1931
- Mary J. Born: May 28, 1912, Died: October 25, 1989
- Maurice J. Born: May 1, 1874, Died: February 28, 1950
- Maurice P. Born: October 29, 1905, Died: August 17, 1957
- Thomas J. Born: May 5, 1903, Died: December 20, 1931
- Powers
- Pracht
- Elizabeth Born: April 30, 1824, Died: August 12, 1910
- Pradon
- Prange
- Pressly
- Dean Born: 1894, Died: 1927
- Dean Born: December 19, 1922, Died: November 16, 2001
- Steven
- Tim
- Presta
- Price
- Pridemore
- Princiela
- Priosi
- Pritchard
- Procaccini