First recorded by Frances Langford (US #6 1937).
Other hit versions by Swing and Sway with Sammy Kaye (US #1 1950), Guy Lombardo & His Royal Canadians (US #2 1950), Ray Anthony & His Orchestra (US #4 1950), Bing Crosby (US #8 1950), Dinah Washington (R&B #10 1951), The Platters (US #8/R&B #15/UK #11 1960).
From the wiki: “‘Harbor Lights’ was written by Hugh Williams (pseudonym for Will Grosz) with lyrics by Jimmy Kennedy, and first recorded by Frances Langford (with Sam Koki & His Islanders) in 1937. The most-popular version was recorded in 1950 by Swing & Sway with Sammy Kaye, lasting 25 weeks on the Billboard chart and peaking at #1. Other charting covers in 1950 were recorded by The Guy Lombardo Orchestra, Ray Anthony & His Orchestra, and Bing Crosby. Dinah Washington charted R&B Top 10 in 1951, while The Platters returned ‘Harbor Lights’ to the US Top 40 in 1960.”