Boyer: when German, can be a modification of "Bauer," farmer.
MacLachlan: Gaelic, "son of Norway." Variously spelled.
Moreau: From dark or black horse. [1] (http://www.vitalog.net) has the etymology as "French, derived from the nickname for the dark-skinned man, perhaps a Moor."
Spector: From the Russian Spectorski, meaning inspector. Jews who registered as inspectors with the Russian or Ukraine governments received a favored status with respect to travel, although those who collected taxes were generally resented in the stetls (Jewish ghettos).
... of 300.6/km² (778.8/mi²). The racial makeup of the town is 94.37% White, 1.11% African American, 0.18% Native American, 1.74% Asian, 0.01% Pacific Islander, ...