looking for any information on my great grandfather Frank P Mckenna married a Molly( King) had 2 boys/2 girls

Frank p Mckenna  and wife Molly ( King) her maiden name,,gave birth to Frank jr ,then  to a Charles john Mckenna, sisters Margurite and Gertrude believed to live in PA and Baltimore Maryland during births of children..around the years of the  1900,1908? son Charles john married a Mary had four chilren in Baltimore MD 1928-1936. if you know anything about this Frank p Mckenna also his wife Molly , spelled Molly or Mollie( King) Mckenna,  i would love to know