The name Heather has no Irish translation.
The name Barbara has no Hebrew translation. Only names of Hebrew origin have Hebrew translations.
There is no Hebrew translation for Edward. This is an English name.
Devon comes from an Old English last name. It has no Hebrew translation.
Austin has no equivalent name in Hebrew, but it can be spelled אוסטין
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There is no Hebrew translation for "Jennifer". Only Hebrew names have Hebrew translations. English names do not.
the name Da fane has no translation in Hebrew. But if you can tell me what it means in English, then I can find a Hebrew name with a similar meaning.
There isn't any Hebrew translation for Renee. It's a French name.
Leslie is not of Hebrew origin and has no equivalent in Hebrew
You can't "figure out" a Hebrew name for Harold. Your options are to choose a Hebrew name that begins with H, or else choose a Hebrew name with a similar meaning to Harold. A name that begins with H would be Har'el (הראל) A name that has a similar meaning to Harold (Army leader) is Adir (אדיר).
Ronald cannot be translated into Hebrew.