Six men and one woman face charges in connection with a series of 14 burglaries that plagued western Loudoun from spring 2012 until early this year, the Loudoun County Sheriff’s Office says.

Four of the seven worked together in two pairs, and the other three suspects appear to have worked alone, the sheriff’s office said. The suspects face a total of 49 charges, authorities said.

Loudoun Sheriff Mike Chapman said his office’s investigation into the spate of break-ins determined that more than one person was responsible. Four independent groups committed the crimes during the same time period, he said.

The burglaries occurred in the same general region and targeted similar valuables: In almost all cases, the suspects took jewelry, cash, electronic items and firearms from houses, authorities said.

Charles J. Shirley, 32, of Martinsburg, W.Va., was charged with the burglaries of a home in the Lovettsville area in April 2012, three houses in the Purcellville area in May 2012, and a house in the Leesburg area last June. Shirley is also charged with the Aug. 30 robbery of a resident in the Lovettsville area, the sheriff’s office said.

Samuel L. Green, 32, and Cory L. Jackson, 26, both of Harper’s Ferry, W.Va. — the one woman among the suspects — were charged in an April 2012 burglary at a home in the Purcellville area. Both have been released on bond, authorities said.

Kenneth D. Dye, 44, of Brunswick, Md., was charged in connection to a break-in at a home in the Purcellville area last June. Dye was released on bond, authorities said.

Jonathan D. Ruifrok, 30, of Leesburg, faces charges in connection with the burglary of three houses in Hamilton, Va. Ruifrok was being sought by authorities, the sheriff’s office said.

Damian S. Falero, 29, of Farmville, Va., and Ronald J. Brown, 27, of North Chesterfield, Va., are charged with the burglaries of two homes in the Leesburg area and one in the Middleburg area, all of which took place in January. Both men remained held in other jurisdictions on unrelated charges, authorities said.

“I am proud of the hard work and cooperative effort our detectives put forth to solve these crimes,” Chapman said in a statement.

The sheriff’s office’s investigation involved coordination with multiple agencies in several states, Chapman said.