Large-scale farming and oil exploration are drying out the area’s karez wells.
Nearly 40 were arrested in the sweep, including several sets of siblings, an official says.
Jihad, Mecca, Hajj, and Saddam are among names judged to be 'a bit too much' according to current baby registration guidelines.
Marriages must be held at government-sanctioned venues with approved officiants, sources say.
Observers say the practice is part of a greater problem of ethnic inequality in the region.
They want the men to prevent separatists and extremists in Kizilsu Kirghiz Autonomous Prefecture from crossing the border.
The inspections come weeks after a deadly attack carried out by Uyghurs in the region.