Meaning and Name Origin
Betty \b(et)-ty\ as a girls' name is pronounced BET-ee. It is of Dutch, English and Hebrew origin, and the meaning of Betty is "God is my oath". Pet form of Elizabeth. In the 17th century it was also used occasionally as a pet form of Beatrice. First became popular in the 18th century, and now appears most often in combination with other names: Betty Lou, Betty Ann, etc. Liza and Beth are now more likely choices as modern-day short forms. Actresses Betty Grable, Bette Davis; singer Bette Midler; First Lady Betty Ford.
Betty▼ has 50 more different forms via Beatrice, Beth, Bette, Elizabeth, Liza: Babette, Bea, Beah, Beatie, Beatris, Beatrix, Beatriz▼, Beattie, Bebe, Bee, Beea, Beitris, Belita, Bell▼, Bella▲, Belle▼, Bet, Beta, Beth▼, Bethan, Bethie, Bethy, Betina, Betsan, Betsie, Bettye▼, Biff, Biffy, Bit, Bizzy, Buffy, Ebeth, Elsy, Helsa, Leasa, Leesa, Leeza, Leisa, Libby, Lily▲, Lisette▼, Lissy, Lizette▼, Lizy, Lizzy, Lotte, Lyzette, Tetty, Trixy and Veta.
Betty is a very popular first name for females (#14 out of 4276, Top 1%) and also a very popular surname for both adults and children (#13107 out of 88799, Top 15%). (2000 U.S. Census)
Shown below is the baby name popularity of Betty for girls. Betty reached its top position of #2 in the U.S. during the years 1930-1939, but is not ranked at the moment. (2014 Birth Statistics)
Below is a graphed analysis of the popularity of the girl name Betty and associated names. Beatrice (#601 last year), Beatriz, Bell, Bella (#70), Belle, Bess, Bessie, Beth, Bethan, Betsy, Bette, Bettie, Bettina, Bettye, Buffy, Elizabeth (#14), Leesa, Leisa, Libby (#888), Lily (#27), Lisette, Liza and Lizette are the prominent variation forms of Betty. Adoption of these girl names reached its most widespread during the years 1880-1889 and is now significantly less, with versions like Bettie, Betty, Bettye, Lisette and Lizette becoming somewhat dated. Bella (#70) and Lily (#27) are two of the more contemporarily stylish girl names among these, with both names enjoying a revival in usage. (Top 1000 Baby Names Statistics, 2014)
Betty▼ is pronounced similarly to Beata and Bitta. Other recommended similar baby names are Beate, Berty, Betha, Betia, Betts, Hetty, Letty and Netty. These names tend to be less frequently used than Betty.