Dyan doesn`t appear in 2007`s top-1000 name list.
The last time Dyan appeared in the top-1000 was 38 years ago, in 1970. It ranked #979 in that year. . 1970 was a `top year` for the name Dyan. (Based on 128 years of name history) In that year it ranked #979. The last time Dyan appeared among the most common names was in 1970. Our records go back to 1880

Year	Rank	Rank
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1970	979
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1890	---
1880	---