If you are asking what the Hebrew word for Cheerful is, it's same'akh (שמח). But if you are asking if the word cheerful originates from Hebrew, it doesn't.
No, it is not of Hebrew origin.
Brighton has no meaning in Hebrew. It is not of Hebrew origin.
This is not a name of Hebrew origin and has no equivalent in Hebrew.
Conner is not of Hebrew origin and has no equivalent in Hebrew.
There are hundreds of names of Hebrew origin that begin with E, such as:ElishaEliyahuEziekelEzraEmunahEliezerElishevaEliEfrayimEdenEve
De Vito is of latin, not Hebrew origin. It means "the conqueror"
The origin of the name Crooks is definitely not Hebrew. It appears to be English or Germanic.
Leslie is not of Hebrew origin and has no equivalent in Hebrew
Curtis is of English origin and has no equivalent in Hebrew or Greek
It is a name of Hebrew origin meaning to carry.
There is no Hebrew equivalent for Dimitar, since it is a name of Ancient Greek origin, not Hebraic origin.
The origin of the name Tobiah is Hebrew.