1912
Former Druids Hall on North East Road used for Sunday Mass
1919
Land for original Walkerville Church Hall purchased.
1929
St Monica’s School opened with the Sisters of St Joseph.
1941
Parish of Walkerville established by Archbishop Beovich after separating from Lower North Adelaide Parish.
Fr Thomas O’Rourke appointed Parish Priest.
1942
Purchase of Church site – two allotments purchased where St Monica’s Church now stands.
1943
Brick annex added to the Greenacres Church Hall to relieve overcrowding.
1947
Land purchased at Enfield for future school.
1949
Purchase of Greenacres site.
1950
Walkerville Parish erects Church/Halls at Northfield and Hillcrest.
1951
Purchase of Presbytery at Salisbury Terrace.
Purchase of Clearview site.
Original Our Lady of the Sacred Heart School established at Enfield.
1952
Foundation stone laid for St Monica’s Church.
Fr Robin Sutherland appointed Assistant Priest at Walkerville.
1953
Palm Sunday opening of St Monica’s Church.
Opening of Clearview Church Hall.
Northfield site purchased.
Hillcrest site procured.
St Monica’s Parish opened buildings at Enfield and Clearview.
1954
Fr Joseph Grealy appointed Assistant Priest at Parish at Enfield/ Clearview .
1955
Opening of Northfield Church Hall/Hillcrest Church Hall as part of
St Monica’s Parish.
1956
Purchase of new lot south of St Monica’s Church.
Opening of new school building at St Monica’s.
1957
Hillcrest and Northfield Parishes formed (This area is no longer part of the Parish).
1958
Greenacres Church/Hall built at corner Hampstead and Muller Roads Greenacres united to Enfield becoming a separate Parish from Walkerville.
1958/59
Work begins on St Paul’s College, Valley View.
1959
Fr Andrew Killian appointed Parish Priest at Greenacres.
St Monica’s Church extended and Hall enlarged.
1962
Land for St Matthew's Church purchased (Wilpena Street, Klemzig).
Land for initial St Martin’s School purchased.
1963
Fr John O’Callaghan appointed Parish Priest at Walkerville.
1964
St Martin’s Catholic Primary School, Greenacres opened.
1966
Catholic Women’s League (CWL) inaugurated in Walkerville.
1967
St Matthew’s Church opened.
1968
Fr Sebastian Norock appointed as Parish Priest at Greenacres.
1969
Fr Peter McIntyre appointed as Parish Priest at Greenacres.
1979
First lay Principal of St Monica’s School appointed (Brian Sayner) as Sisters of St Joseph withdraw.
1982
Fr James Honner appointed Parish Priest at Greenacres.
1983
Fr William Flanagan appointed Parish Priest at Walkerville.
1988
First lay Principal of St Martin's School appointed (Rob Rowe).
1992
Fr Peter Millburn appointed Parish Priest at Walkerville.
1994
Fr Antoni Chabraszewski appointed as Parish Priest at Greenacres.
1995
St Monica’s Presbytery at Brunswick Street, Walkerville purchased.
2000
Fr Kerry Dwyer appointed Parish Priest at Walkerville.
2003
Fr Anthony Pearson appointed Parish Priest at Walkerville.
Amalgamation of Parishes of Greenacres and Walkerville and last Mass at St Matthew's Church.
Father Anthony Pearson appointed Parish Priest at Greenacres Walkerville.
2006
St Matthew’s Church sold (demolished in 2007 for private housing).
Former Greenacres Presbytery on Muller Road demolished for car parking for Church.
2007
Sale of St Monica’s Presbytery and Parish Office at Brunswick Street, Walkerville.
Greenacres Walkerville Parish Presbytery at Eric Neale Court, Enfield purchased.
Parish Office moved premises to 106A Hampstead Road, Broadview.
Fr Leon Czechowicz appointed Administrator at Greenacres Walkerville.
Fr Ike Bonje appointed Administrator at Greenacres Walkerville.
2010
Fr Vinh-Quang Tran appointed Administrator at Greenacres and Walkerville.
2011
Parish Office moved to 66-80 Princes Road, Greenacres (St Martin's Catholic Primary School).
2013
Fr Kym Spurling appointed Parish Priest at Greenacres Walkerville.
2015
Sr Brenda Balingasa appointed as Parish Pastoral Associate.
2017
Sr Brenda Balingasa appointed to position in Rome (August).
2018
Sr Rita Ruzzene appointed as Parish Pastoral Associate.
Licence To Occupy signed by Greenacres Walkerville Parish and St Monica's Parish School for lease of the St Monica's Church car park and grassed area.
2019
Refurbishment of St Monica's Church and car park.
2023
Vicar General Fr Dean Marin appointed Moderator at Greenacres Walkerville.
Deacon Andrew Kirkbride appointed Pastoral Director at Greenacres Walkerville.
2024
Sr Brenda Balingasa appointed as Parish Pastoral Associate.
2026
Fr Roy John Elavumkal appointed Parish Priest at Greenacres and Walkerville.