I don't think
Roberts at all. I think it is a bit old fashioned but not too much. In my community (Jewish)
Phineas /
Pinchas is very common.
~~ Claire ~~
My ! are Alia, Eidel, Enola, Israel, Dudel, Yuri, Lina, Lorelei, Leilani, Owen, Julian, Glorinda, Mirinda
My ? are Hillel, Meshullam, Johnny, Ginny, Cordelia, Fiammetta, Yocheved
My ~ are Tehila, Tilda, Hailey, Gillian, Huldah
My / are Aglaia and July