What does Sinclair mean?
(male) Sanclair, Shaclair, ..
(female) Sinman, Sinsa, ..
How popular is Sinclair?
Sinclair is an unusual given name for males but a very prominent last name for all people (#1239 out of 150436, Top 1%). (2000 U.S. Census)
Displayed below is the birth name history of Sinclair for boys. Sinclair was first listed in 1900-1909 and reached its peak position of #1728 in the U.S. then, but is not ranked currently. (Top Baby Names, 2014)
Displayed below is an analysis of the history of the boy name Sinclair and affiliated names. Popular variation forms of Sinclair are Santana (#887 from current records) and Seymour. Adoption of these forms of Sinclair was widespread during the years 1920-1929 (adoption of 0.06%) and has become much lower since (adoption 0.01%, 79% less), with the form Seymour going out of style. Santana is a perennial favorite.
Suggested similar names are Alair, Blair▼, Clair▼, Ellair, Kincaid, Sacar (see Sachar), Sachar, Sanctio, Schylar, Shachar, Silas▲, Silvain, Silver, Silvio, Simcha, Sinbad, Sindbah, Sinjin, Skielar, Skyelar and Skylar. These names tend to be more commonly used than Sinclair.