<ACCESSION-NUMBER>0001564590-19-041783 <TYPE>10-Q <PUBLIC-DOCUMENT-COUNT>134 <PERIOD>20190930 <FILING-DATE>20191107 <DATE-OF-FILING-DATE-CHANGE>20191107 <FILER> <COMPANY-DATA> <CONFORMED-NAME>TRUSTMARK CORP <CIK>0000036146 <ASSIGNED-SIC>6021 <IRS-NUMBER>640471500 <STATE-OF-INCORPORATION>MS <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>10-Q <ACT>34 <FILE-NUMBER>000-03683 <FILM-NUMBER>191200744 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>248 E CAPITOL ST <STREET2>P O BOX 291 <CITY>JACKSON <STATE>MS <ZIP>39201 <PHONE>(601) 208-5111 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>248 EAST CAPITOL STREET <CITY>JACKSON <STATE>MS <ZIP>39201 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>FIRST CAPITAL CORP <DATE-CHANGED>19900513 </FORMER-COMPANY> </FILER>