
“Luck is my middle name," said Rincewind, indistinctly. "Mind you, my first name is Bad.”
Source: Beware of the Trains
“Luck is my middle name," said Rincewind, indistinctly. "Mind you, my first name is Bad.”
"Drumming Is My Madness," from Stop And Smell The Roses (1981)
“Great to know that I'm in love with a girl with a cool name."
"It's Taylor's middle name”
Source: On the Jellicoe Road
“First name Mr, middle name 'period', last name T!”
Silver Spoons (1982)
As quoted in "Sidelight on Sports: A Baseball Star is Born" https://news.google.com/newspapers?id=d5dRAAAAIBAJ&sjid=52sDAAAAIBAJ&pg=1293%2C4057980 by Al Abrams, in The Pittsburgh Post-Gazette (June 7, 1955), p. 20
Comment: 1994 interview with Vera Clemente https://www.google.com/search?tbo=p&tbm=bks&q=%22Roberto+Enrique+Clemente%22+intitle:Remember+intitle:Roberto&num=10 confirms that Enrique was Clemente's middle name; the discrepancy in spelling is presumably due to a misunderstanding by the non-Spanish-speaking Abrams, mistaking the word "Si" for the letter c.
Other, <big><big>1950s</big></big>, <big>1955</big>