"FIRST_NAME","INFORMAL"
"Adeline","Linda"
"Alan","Al"
"Albert","Al"
"Alexander","Alex"
"Alfred","Al"
"Allen","Al"
"Alonzo","Lonnie"
"Amanda","Mandie"
"Andrew","Andy"
"Andrianna","Andri"
"Angela","Angie"
"Anthony","Tony"
"Antoinette","Toni"
"Anton","Tony"
"Arlen","Ar"
"Armandie","Mandie"
"Arthur","Art"
"Bambridge","Bam"
"Barack","Barry"
"Barbara","Barb"
"Barbara","Barbie"
"Barrett","Barry"
"Barton","Bart"
"Beatrix","Bea"
"Beatrix","Betty"
"Benjamin","Ben"
"Bernard","Bernie"
"Bernina","Bernie"
"Bertrand","Bert"
"Beverly","Bev"
"Bradford","Brad"
"Bradley","Brad"
"Calvin","Cal"
"Camille","Cam"
"Caroline","Candy"
"Catherine","Cathy"
"Cathleen","Cathy"
"Cecelia","Cece"
"Charles","Chuck"
"Charlotte","Char"
"Chester","Chet"
"Christina","Chris"
"Christine","Chris"
"Christopher","Chris"
"Clayton","Clay"
"Clifford","Cliff"
"Clinton","Clint"
"Colin","Col"
"Concetta","Connie"
"Constance","Connie"
"Cosette","Cozy"
"Crispin","Cris"
"Cristina","Tina"
"Curtis","Curt"
"Cynthia","Cindy"
"Daniel","Dan"
"David","Dave"
"Debbie","Debra"
"Deborah","Deb"
"Deborah","Debbie"
"Debra","Debbie"
"Debrah","Debbie"
"Delilah","Dee"
"Delmore","Del"
"Delores","Dee"
"Dennis","Den"
"Dennis","Denny"
"Desmond","Des"
"Diana","Di"
"Dolores","Dee"
"Dominic","Nick"
"Dominick","Nick"
"Donald","Don"
"Dorice","Dori"
"Dorothy","Dot"
"Douglas","Doug"
"Edgar","Ed"
"Edith","Eadie"
"Edith","Edie"
"Edmond","Ed"
"Edmund","Ed"
"Edward","Ed"
"Edward","Eddie"
"Edwin","Ed"
"Edwin","Eddie"
"Eleanor","Ellie"
"Elizabeth","Beth"
"Elizabeth","Liz"
"Ernest","Ernie"
"Eugene","Gene"
"Florentine","Flo"
"Frances","Fran"
"Francine","Fran"
"Francis","Fran"
"Francis","Frank"
"Frederic","Fred"
"Frederick","Fred"
"Fredrick","Fred"
"Geoffrey","Geoff"
"George","Gerry"
"Gerald","Gerry"
"Geraldine","Geri"
"Gerard","Gerry"
"Gordon","Gord"
"Gregory","Greg"
"Gudrun","Gudi"
"Gustavo","Gus"
"Gwendolyn","Gwen"
"Harold","Hal"
"Hebert","Herb"
"Henry","Hank"
"Herbert","Herb"
"Howard","Howie"
"Jackson","Jack"
"Jacqueline","Jackie"
"Jacquelynne","Jackie"
"James","Jamie"
"James","Jim"
"Janet","Jan"
"Janice","Jan"
"Jarold","Jerry"
"Jeffery","Jeff"
"Jeffrey","Jeff"
"Jennifer","Jen"
"Jennifer","Jenni"
"Jocelyn","Joyce"
"Jonathan","Jon"
"Joseph","Joe"
"Joshua","Josh"
"Judith","Judy"
"Julia","Julie"
"Katherine","Kathy"
"Katherine","Katie"
"Kathleen","Kathy"
"Kathryn","Kim"
"Kenneth","Ken"
"Kimberley","Kim"
"Kimberly","Kim"
"Kristine","Kris"
"Kurtis","Kurt"
"Laura","Lori"
"Laurence","Larry"
"Lawrence","Larry"
"Leonard","Len"
"Lewis","Lew"
"Linda","Lindy"
"Lorraine","Lorrie"
"Louis","Lou"
"Madonna","Donna"
"Manuel","Manny"
"Marcia","Marcy"
"Margaret","Peggy"
"Martin","Marty"
"Matthew","Matt"
"Maureen","Mo"
"Maurice","Maury"
"Melinda","Mindy"
"Melissa","Missy"
"Melvin","Mel"
"Mervyn","Merv"
"Michael","Mike"
"Mitchell","Mitch"
"Nathaniel","Nat"
"Nicholas","Nick"
"Norman","Norm"
"Oliver","Ollie"
"Onieta","Nita"
"Osmond","Os"
"Osmond","Oz"
"Pamela","Pam"
"Patrice","Pat"
"Patricia","Pat"
"Patricia","Patti"
"Patricia","Patty"
"Patrick","Pat"
"Peter","Pete"
"Philip","Phil"
"Phillip","Phil"
"Randal","Randy"
"Randall","Randy"
"Randolph","Randy"
"Raymond","Ray"
"Rebecca","Beckie"
"Rebecca","Becky"
"Rebekka","Bekki"
"Regina","Gina"
"Reginald","Reggie"
"Richard","Dick"
"Richard","Rick"
"Robert","Bob"
"Roberta","Bobbi"
"Roderick","Rod"
"Rodney","Rod"
"Roibeard","Bob"
"Ronald","Ron"
"Rondall","Ron"
"Ronnie","Ron"
"Rosalind","Roz"
"Rosalyn","Rose"
"Rosemary","Rosie"
"Roslyn","Ros"
"Russell","Russ"
"Samuel","Sam"
"Sandra","Sandi"
"Sanford","Sandy"
"Saundra","Sandy"
"Shardale","Shar"
"Sharon","Shari"
"Sophia","Fifi"
"Sophia","Sophie"
"Stanley","Stan"
"Stephen","Steve"
"Steven","Steve"
"Stribling","Strib"
"Stuart","Stu"
"Susan","Sue"
"Suzanne","Sue"
"Sylvester","Sy"
"Tamara","Tam"
"Tamara","Tammy"
"Terence","Terry"
"Terrence","Terry"
"Theodore","Ted"
"Theresa","Teri"
"Thomas","Tom"
"Timothy","Tim"
"Victor","Vic"
"Victoria","Tori"
"Victoria","Vickie"
"Victoria","Vicky"
"Vincent","Vince"
"Viola","Vi"
"Virginia","Ginny"
"Vivian","Viv"
"Walter","Wally"
"Walter","Walt"
"Wesley","Wes"
"William","Bill"
"Wilmer","Bill"
"Winston","Win"