Is Elroy Jetson voiced by female actresses?

No, Elroy Jetson has never been voiced by a female actress.

Here's a breakdown of Elroy's voice actors:

* Original Series (1962-1963): Daws Butler provided the voice for Elroy in the original "The Jetsons" series.

* Later Series and Films: Various voice actors have portrayed Elroy in later series and films, but they have all been male.

So, while Elroy might be a sweet and innocent character, his voice has always been provided by men.