Intials on headstones and their meanings

AAONMS :   Ancient Arabic Order of Nobles of the Mystic Shrine (Masonic)
AASR : Ancient and Accepted Scottish Rite (Masonic)                                           
AF&AM :  Ancient Free and Accepted Masons
AOF :  Ancient Order Of Foresters - Friendly Society
AOH :  Ancient Order Of Hibernians
AOKMC : Ancient Order Of Knights of Mystic Chain
AOUW : Ancient Order Of United Workmen
ALOH : American Legion of Honor
AMOS : Ancient Mystic order of Samaritans (see IOOF)
BPOE : Benevolent and Protective Order of Elks
CK of A : Catholic Knights of America
COOF :  Catholic Order of Foresters
CSA : Confederate States Army
DAR :  Daughters of American Revolution                                                             DAR
DN or DR: Degree of Naomi or Daughters of Ruth
F&AM : Free and Accepted Masons
FLT : Friendship, Love and Truth - IOOF            
FOE :  Fraternal Order of Eagles                                                               
FOP : Fraternal Order of Police                                                                           
GALSTPTR:  German American Legion of St. Peter                           
GAR : Grand Army of the Republic
GL : Grand Lodge - IOOF
GLAUM:  Grand Lodge Ancient Order of Mysteries-Masonic Order
GSSAR : General Society Sons of the Revolution
GUOOF:    Grand United Order of Odd Fellows
IARA : International Association of Rebekah Assemblies
IBPOE : Improved Benevelolent Protective Order Elks of World
IHSV: Red Cross of Constantine
IOI: Independent Order of Immaculates
IOKP: Independent Order of Knights of Pythias
IOOF : Independent Order of Odd Fellows
IOOF-PM :Independent Order of Odd Fellows-Past Master                
ISH: Independent Sons of Honor
IORM : Improved Order of Redmen
IWW: Industrial Workers of the World
JAOUW: Junior Order-Ancient Order of United Workmen
JOUAM: Junior Order-Order of United American Mechanics
KGL: Knight Grand Legion
KM: Knights Militant
KC : Knights of Columbus                                                   
K of C : Knights of Columbus                                                                                                       
K of FM: Knights of Father Matthew
KFM: Knights of Father Matthew
K of H: Knights of Honor
K of L: Knights of Loyola
K M:   Knights of Malta (Masonic)
KMC : Knights of the Mystic Chain
KPC: Knights of Peter Claver
KP : Knights of Pythias
K of P : Knights of Pythias                                                                       
KSC: Knights of St. Columbkille
KG: Knights of St. George
KSTG: Knights of St. George
KSTI: Knights of St. Ignatius
K of SJ: Knights of St. John
KSTJ: Knights of St. Joseph
KSL: Knights of St. Lawrence
KSTM: Knights of St. Martin
K of STP: Knights of St. Patrick 
KSTP: Knights of St. Paul or St. Peter
KSTT: Knights of St. Thomas
K of STW: Knights of St. Wenceslas
KT: Knights of Tabor
K of T: Knights of Tabor
KWM: Knights of Wise Men
KGE: Knights of Golden Eagle
KHC: Knights of Holy Cross
KOTM: Knights of Macabees
KSF: Knights of Sherwood Forest
KT : Knights Templars (Masonic)
LAPM : Ladies Auxilary Patriarchs Militant
LAOH : Ladies Ancient Order of Hibernians - aka Daughters of Erin
LK: of A Loyal Knights of America
LOM :  Loyal Order of the MOOSE
MOS&B : Military Order of Stars and Bars
MOLLUS: Military Order of the Loyal Legion of the United States
MOPH : Military Order of the Purple Heart
MRA: Royal Arcanum
MWA : Modern Woodmen of America
NSCAR : National Society Children of  the American Revolution
NSDAR : National Society of The Daughters of the American Revolution
OES :  Order of the Eastern Star
OSIA : Order of the Sons of Italy                                                                                   
OUAM: Order of United American Mechanics
PM : Patriarchs Militant (Independent Order of Odd Fellows)
POSA: Patriotic Order of the Sons of America
RA : Rebekah Assemblies - IOOF
RMOKHSJ:   The Religious and Military Order of  Knights of the Holy Sepulchre of Jerusalem
RSTV: Rite of St. Vaclara or St. Vita
RK: Roman Knights
SR: Scottish Rite      (Masonic Order)
SAR : Sons of the American Revolution                                                       
RAM: Royal Arch Masons
SAR : Sons of the American Revolution
SBL: Society B. Lafayette
SCV : Sons of the Confederate Veterans
SGL : Soveriegn Grand Lodge - IOOF
SNA-AUM:  Shrine of North America (Masonic)
SUVCW : Sons of Union Veterans of  The Civil War                                       
TH : Temple of Honor-Independent Order of Odd Fellows
UCV : United Confederate Veterans
UDC :  United Daughters of the Confederacy
USA : United States Army
USAF : United States Air Force
USCG : United States Coast Guard
USMC : United States Marine Corps
USN : United States Navy
VFW : Veterans of Foreign Wars
WOW : Woodsmen of the World