About the surname
The Sines lineage is historically distinct, appearing with very low frequency in modern census data. Demographic trackers place the total population of this lineage at precisely 3,260 individuals. While you might not encounter it every day, it remains a permanent and unique fixture in US population records. Mathematically speaking, approximately 1 in 102,147 people across the United States are named Sines. Demographically, the White population dominates this surname by a wide margin, outnumbering the second-largest group (Two or More Races, 3.6%) by over 89 percentage points.