Findings:

• Me, a lantern in your lighthouse, my keeper
• MUSHROOM KEEPER
• Jupiter Inlet Lighthouse
• The starfish sends a message in code that you can't see from the lighthouse
• Yaquina Head Lighthouse
• Lighthouse
• Lighthouse of Alexandria
• The Secret Keepers
• To The Lighthouse
• The Occasional Keepers
• her brother's keeper
• Finder's keepers
• It's a keeper
• My Sister's Keeper
• St. Augustine Lighthouse
• Port Burwell Lighthouse
• Cape San Blas Lighthouse
• St. Vincent Lighthouse
• The Lighthouse's Tale
• Lighthouse Family
• Néo-Phare (New Lighthouse)
• Lighthouse Family Stevensons
• Bell Rock Lighthouse
• A woman, a lighthouse, and several dandelions
• Lighthouse (user)
• Gibraltar Point Lighthouse
• Smalls Lighthouse Incident
• The Lighthouse
• Keeper of My Heart
• Promise Keepers
• Dungeon Keeper
• Am I my brother's keeper?
• Keeper
• Keepers of the Hidden Ways
• Trapper Keeper
• Progress Fizz Keeper
• Keepers of the Sacred Words
• Keepers of the Flame
• Gate Keepers
• keeper (user)
• The Orchard Keeper
• Dungeon Keeper 3
• Crypt Keeper (user)
• stone keepers
• Keepers of Lists
• The Crypt Keeper (user)
• Dungeon Keeper 2
• Zoo Keeper
• keeper jars
• Brother's Keeper
• Lord Keeper of the Great Seal
• Catwoman: Her Sister's Keeper
• kingsword keeper 300 (user)
• Keeper of the New Forest
• Night Keeper (user)

If you Log in you could create a "lighthouse keeper" node. If you don't already have an account, you can register here.