Peggy is a female first name (often curtailed to "Peg") derived from Meggy, a diminutive version of the name Margaret.
People
Writers
Peggy Dunstan (1920–2010), New Zealand poet and writer
Peggy Frew (born 1976), Australian author
Peggy Kornegger, American writer
Peggy McIntosh (born 1934), American writer and activist
Peggy Noonan (born 1950), American author and commentator
Peggy Parish (1927–1988), American author
In entertainment
Peggy Ashcroft, English actress
Peggy Bacon (radio producer) aka "Aunty Peggy" - BBC radio and television producer and radio presenter Peggy Cass, American actress Peggy Cummins, Irish actress Peg Entwistle, English actress Peggy Knudsen, American actress Peggy Lipton, American actress Peggy McIntaggart, Canadian model Peggy Mount, English actress Peggy Ryan, American dancer and actress Peggy Shannon, American actress Peggy Wood, American actress Peggy Joyce, American actress Diana Serra Cary, known as Baby Peggy, American child actress
In music
Peggy Gordon (singer), American musical theatre singer
Peggy Gou, South Korean DJ and musician
Peggy Lee, American jazz singer
Peggy Lennon, American singer, one of the Lennon Sisters
Peggy March, American pop singer
Peggy Seeger, American folk singer
Peggy Zina, Greek 'laika' singer
In sports
Peggy Assinck, Canadian ice sledge hockey player and neuroscientist
Peggy Büchse, German long-distance swimmer
Peggy Fleming, American figure skater
In politics
Peggy Cabral, Dominican politician, diplomat and TV presenter
Peggy Duff, British political activist
Peggy Nash, Canadian politician
Peggy Schierenbeck, German politician
Other professions
Peggy Ahwesh (born 1954), American video artist
Peggy Eaton (1799–1879), American, wife of John Henry Eaton and figure in the Petticoat affair Peggy Fairbairn-Dunlop, Samoan-New Zealand academic Peggy Hård (1825–1894), Swedish clerk Peggy Hettrick (died 1987), American murder victim Peggy Johnson (1976–1999), American murder victim Margaret "Peggy" Shippen (1760–1804), American Loyalist spy for the British and second wife of Benedict Arnold Peggy Spicer (1908–1984), New Zealand painter Margarita "Peggy" Schuyler Van Rensselaer (1758–1801), sister in law of Alexander Hamilton Peggy Whitson (born 1960), American astronaut
Fictional characters
Peggy Biggs, in the American TV series Mike & Molly
Peggy Blackett, a character in Arthur Ransome's "Swallows and Amazons" books
Peggy Bundy, in the American sitcom Married... with Children
Peggy Carter, a Marvel Comics character
Peg Gallagher, from the TV show Shameless
Peggy Hill, in the American animated TV series King of the Hill
Peggy Matsuyama (aka Momoranger), in Himitsu Sentai Gorenger
Peggy Mitchell, in the British soap opera EastEnders
Peggy Ollerenshaw, in the British TV comedy series Hi-De-Hi! Peggy Olson, in the American TV series Mad Men Peggy Patch, a rag doll puppet in the BBC children's TV series Playdays Peggy, a Hunter × Hunter character Peggy, a classmate of Wanda in the children's book The Hundred Dresses Peggy Blumquist, character from season 2 of American TV series Fargo