Letters mainly addressed to the Bishop relating to doctrinal matters particularly the Eucharistic controversy, 1857-1863; correspondence and printed papers of Bishop Forbes 1844-1875; letters mainly addressed to George Frederick Boyle relating to disputes within the Episcopal Church, particularly those affecting Bishop Forbes 1856-1863; correspondence, notes and papers of George Frederick Boyle 1856-1863. Correspondents include William Gladstone, John Keble, Edward Pusey, George Baron Kinnaird of Rossie and Anthony Cooper, 7th Earl of Shaftsbury.
Boyle; George Frederick (9 October 1825 – 23 April 1890); Earl of Glasgow; Penrose; Alexander (16 June 1817-8 October 1875); Bishop of Brechin
Vestry, congregational and committee minutes 1894-1966; Church Women's Association minutes 1897-1910; financial records 1881-1965; registers of services (with collections) 1876-1963; papers relating to church fabric and building projects 1881-1927; plans and drawings 1888-1870; miscellaneous papers, mainly legal 1881-1998; papers relating to Rev. R R Lingard-Guthrie and his family 1854-1909; photographs 1880-c.1990.
Diocesan Synod minutes 1770-1981; synod papers 1876-1981; papers relating to the Provincial Synod 1913-1978; diocesan council minutes and committee minutes 1913-1981; council correspondence, papers and reports 1913-1978; council accounts 1894-1949; papers relating to the Representative Church Council 1960-1979; Scottish Churches Committees minutes and papers 1952-1995; statistical returns 1873-1877; diocesan correspondence 1968-1986; diocesan library report 1890; library accession registers 1856-1888; library borrowing registers 1821-1929; library book lists 1828-1937; library correspondence and financial records 1896-1917; photographs c1865-c1903; Episcopal Church in Scotland yearbooks 1973-1978; Education records 1909-1974; Grapevine: The Magazine of the Diocese of Brechin 2007-2015; Register of conformations 1837-1938; Miscellaneous documents 1426-1941.
Congregation and vestry minutes 1929-1977; constitution committee of Christian Stewardship campaign 1962-1968; annual accounts and vestry reports 1912-1953; ledgers 1891-1956; offertory accounts and miscellaneous financial records 1903-1950; treasurer's correspondence 1929-1948; registers of services 1896-1977; confirmations and communicants rolls 1861-1898, 1969-1972; miscellaneous papers and plans 1879-1982.
Registers of baptisms 1756-1878, marriages 1770-1813, 1828-1880, burials 1828-1865, confirmations 1795-1860, minutes and accounts 1757-1780, miscellaneous loose papers, charity records and appeals for funds 1812-1867.
Registers of births confirmations, marriages and deaths 1849-2006; Congregation and Vestry 1848-1990; Finance 1856-2007; Legal Records and Church Procedure 1850-1980; Church Fabric and Buildings 1894-1975; Church Property 1909-1993; Rectory Fabric and Building 1908-1926; Church History 1913-1958; Church Groups and Societies 1969-1984; Publications and Printed Items 1838-2007; Ecumenical Matters 1975-1980; photographs 1969.