What does Su mean?
Associated with: lily (flower).
(female) Shu, Suli, ..
(male) Suny, Sure, .. Middle name pairings:
Su Reese (S.R.), ..
How popular is Su?
Su is a very prominent first name for women (#1731 out of 4276, Top 40%) and also a very prominent last name for all people (#3835 out of 150436, Top 3%). (2000 U.S. Demographics)
Which version is better?with its source form and related girl names. Popular related forms of Su (unlisted) are Susan (#929 from current records), Suzi, Suzie, Suzy, Suzan, Susie, Sudie, Sue and San. Other forms, like Suze, are uncommon. These relations of Su were at the height of their popularity 65 years ago (average #987) and have become much less conventional since (#1881, ▼99.7%), with versions like Sue becoming somewhat outmoded. (Top 2000 Names, 2015)