- Squadrito #57,101
- Squalls #88,685
- Square #21,495
- Squatrito #69,793
- Squeglia #77,264
- Squeo #62,189
- Squeri #88,685
- Squibb #27,435
- Squibbs #126,765
- Squicciarini #59,603
- Squier #14,787
- Squiers #39,717
- Squilla #153,769
- Squillace #32,562
- Squillacioti #131,379
- Squillante #31,994
- Squire #6,363
- Squires #2,574
- Squirewell #64,054
- Squirrel #123,064
- Squirrell #133,863
- Squitieri #36,337
- Squyres #30,250