These medals WERE individually named. That's what makes them collectible. Assuming that they aren't in the possession of another branch of the family, it's highly unlikely, though not impossible, that you could track them down. Many War Medals were sold for their silver content and melted down, now many Victory Medals alone survive of the pair. The government have stopped issuing replacements now.Try asking on
www.BritishMedalForum.com