Re: About the name M and J
in reply to a message by Anonymous12
It's just abbreviations put on birth certificates/official records probably. The J. would have been John or James, the M. would have been Mary or Margaret, and so forth.
masculine list: https://www.behindthename.com/pnl/191050/124079
feminine list: https://www.behindthename.com/pnl/191050/124080
masculine list: https://www.behindthename.com/pnl/191050/124079
feminine list: https://www.behindthename.com/pnl/191050/124080