What were the most popular names for baby boys and girls in the 1880s? The 1960s? Last year? This cultural snapshot provides table after table of popularity rankings by decade, by state, and, starting in 1990, year by year. Data is based on a 5% sampling of social security card applications. The site can't tell you if your Conor will be the only Conor in his kindergarten class, but it can tell you that Connor (spelled with 2 n's) is a far more common spelling.