one at a time

In individual succession, with each person or thing following another in order. The children walked silently one at a time into the schoolhouse to begin their lesson. Ladies and gentlemen, please exit the theater one at a time!

Common Names:

Name	Pronounced	Usage
Aubrey	AWB-ree	English
Wilhelm	VIL-helm (German), VEEL-khelm (Polish)	German, Polish, Ancient Germanic
Bastiaan	BAHS-tee-ah:n	Dutch
Ivory	IE-və-ree, IEV-ree	African American
Balster	['bælstə]
Dana (4)	-	Persian, Arabic