Date of Birth input into databases


I am new to this group and apologise if this has already been discussed.
My grandfather left Lithuania in the 1890's and changed his name when he got to England,and would never reveal his original name.
We have ,however,a date of birth for him.My question is-"Is there any way of accessing the Jewish Gen databases or any other database using the DOB as
the input?".Since there cannot be a great number of births amongst the Jewish community at the time on any particular date, we may possibly be able to
recognise and follow up details from other things we knew about him.Any help and suggestions would be much appreciated.

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