Oscar Cedric ISAACHSEN, Lt Colonel b. 5 Jun 1911 Mannum SA d. 28 Apr 2009 Adelaide SA: Christina and Donald McLEAN and their descendants

...do YOUR families link back to first South Australian wheat growers?
Christina and Donald McLEAN from Scotland 1837

1911 - 2009 (97 years)

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Name	Oscar Cedric ISAACHSEN
Suffix	Lt Colonel
Nickname	Zac
Born	5 Jun 1911	Mannum SA [1]
Gender	Male
Military Service	1939-1945	WWII
	Commander of 2/27 Infantry Battalion in the Middle East. Promoted 1942 to Lieutenant-Colonel in command of the 36th Battalion in New Guinea. He was awarded the DSO (Distinguished Service Medal) and ED (please advise) long service medal.
Military Service	1939-1945	WWII [2]
	Enlisted 7 May 1940:Australian Army at Malvern/Adelaide SA, NOK:mother,Dorothy Isaachsen, Discharged as Lieutenant Colonel of 2/27 Australian Infantry Battalion with Companion of the Distinguished Service Order during position as Lieutenant Colonel of 2/27 Australian Infantry Battalion. Discharged 21/11/1945. NOK Isaachsen, Dorothy. See citation for source.
Military Service	1939-1945	WWII
	Service number:SX2915 Ranks Held Private-1.7.29, Corporal-3.2.29, Sergeant-16.1.1930, Lieutenant-2.9.1933, Captain-13.4.1939, Major-14.1.1941, Acting Lieutenant-11.8.1943, Lieutenant Colonel 1.9.42, Major-14.1.41: Discharge Rank-Lieutenant Colonel Service: Australian Army, Units:Australian Army, 2/27th Australian Infantry Battalion, 36th Australian Infantry Battalion, 36 Battalion (St George's English Rifle Regiment), Conflict/Operation: SOURCES Page12 of pay levels of military record for rank changes, Page6 Govt Gazettes: Published in London Gazette in 1946-02-14,Published in London Gazette in 1941-12-30, Published in Commonwealth Gazette in 1946-02-21
Military Service	1939-1945	WWII
	Service TIMELINE: DATE commissioned:20 September 1933 Interwar Service 2:20 September 1933-lieutenant 27th battalion Interwar Service 3: 14 April 1939-captain Career summary 2: 01 May 1940-seconded 2/27th battalion Career summary 3:07 May 1940: enlisted 2AIF Career summary 4: 1940-06-17 - 1940-07-05 course Staff & Command School Sydney (Company Co Career summary 5:24 November 1940 arrived Middle East Career summary 6: 14 January 1941-major Career summary 7: 04 October 1941-gun shot wound L:leg, 18 Jun 41-returned to unit Career summary 9: 25 November 1941-course Middle East Combined Training Centre 15 Career summary 10: 25 March 1942-Returned to Australia (4MD) Career summary 11: 11 August 1942-temporary lieutenant colonel, commanding officer 51st battalion Appointment 1942-08-11 - 1942-09-02 Battalion: 51st; Rank on appointment: major, temporary lieutenant colonel ; Appointed from: 2/27th battalion ; Reason for end of appointment: new command -infantry battalion (battalion disbanded ??) Career summary 12:14 August 1942-arrived New Guinea Career summary 13:01 September 1942-lieutenant colonel Career summary 14:02 September 1942-commanding officer 36th battalion Appointment:1942-09-02 - 1945-08-28 Battalion: 36th; Rank on appointment: commanding officer 36th battalion ; Appointed from: commanding officer 51st battalion ; Reason for end of appointment: new command -infantry battalion (battalion disbanded ?) Career summary 17:1943-02-27 - 1943-03-18- evacuated Malaria benign tertian (a type of mala Career summary 15:19 March 1943 Returned to Australia (Mareeba) Career summary 18:29 May 1943-evacuated Malaria benign tertian (a type of malaria) 6 Career summary 16:07 July 1943-arrived New Guinea Career summary 19:26 April 1944-attached Headquarters 6th Brigade 14 Career summary 20:20 July 1944-Returned to Australia (Townsville ) Career summary 21:1944-07-21 - 1944-09-23 course Staff Cse (amphibious) Career summary 22:24 September 1944-arrived Moresby Career summary 23:08 October 1944-Arrived New Britain Career summary 24:26 June 1945-Returned to Australia (Bris) Career summary 25:28 August 1945-commanding officer 2/1st battalion Appointment:1945-08-28 - 1945-10-24 Battalion: 2/1st; Rank on appointment: Lieutenant colonel; Appointed from: lieutenant colonel; Reason for end of appointment:demobilised Career summary 26:24 October 1945-relinquished command 2/1st battalion Career summary 27:22 November 1945-Reserve of Officers Career summary 28:21 February 1946-Companion of the Distinguished Service Order (South-west Pacific Area 1 Oct 44-31 Mar 45) Career summary 1:captain 27th battalion- Career summary 8:30 Dec 41 MID Interwar Service 1:presumably OR service
Occupation	Adelaide SA
	Barrister & solicitor
Died	28 Apr 2009	Adelaide SA [3, 4]
Buried	Y [5]
Person ID	I-6343	Christina and Donald McLean
Last Modified	27 Apr 2019

Father	Oscar Lionel ISAACHSEN, Sir, b. 8 Sep 1885, Adelaide SA , d. 1 May 1951, Sydney NSW (Age 65 years)
Relationship	-2070
Mother	Ella Gertrude SCHUETZE, b. 1884, d. 8 Jun 1976 (Age 92 years)
Relationship	-2070
Married	8 Dec 1910	Nairne SA [6]
Family ID	F-2070	Group Sheet \| Family Chart

Family Dorothy Lynette ROGERS, b. 20 Jul 1913, d. 22 Sep 1974 (Age 61 years)

Married 14 Oct 1939 Hawthorn SA

Children

+	1. ML I
+	2. OA I
+	3. JM I

Last Modified 1 Jan 2017 00:50:57

Family ID F-2069 Group Sheet | Family Chart

Photos

Isaachsen, Oscar Cedric, Major 1939-1945

Sources

[S-75] http://www.genealogysa.org.au, 19.1.2017 Researcher Lorna McLean.
birth;1911, ISAACHSEN,Oscar Cedric, father;Oscar Lionel ISAACHSEN, mother;Ella Gertrude SCHUETZE born at Talunga SA Reg No;866/413. No other known/offered/found evidence to date.
[S-77] http//:www.ww2rolls.gov.au, http//:www.ww2roll.gov.au, 21 Jan 2017 Researcher Lorna McLean.
Enlisted 7 May 1940 at Locality Malvern SA place of enlistment Adelaide SA. DOB 5 Jun 1911 at Mannum SA
Nominal WWII Army service records indicate overseas action by his service number:no detail provided
Factual records from WWII nominal roll.
[S-75] http://www.genealogysa.org.au, 19.1.2017 Researcher Lorna McLean.
Newprint The Advertiser (Adelaide SA) ISAACHSEN Oscar Cedric DEATH DATE 2009 No other known/offered/found evidence to date.
[S-99] http://ryersonindex.org/search.php, http://ryersonindex.org/search.php, 5 Feb 2018 Researcher Lorna McLean.
ISAACHSEN,Oscar Cedric Death notice, 28APR2009 at 97yoa at Royal Adelaide Hospital SA SOURCE Advertiser Publication Date:16MAY2009
[S-126] CEMETERY Metropolitan Cemetery Board WA-incl Pinnaroo, Karrakatta, Fremantle , http://www2.mcb.wa.gov.au/NameSearch/details.php?id=KB00071459, 23 Oct 2017 Researcher Lorna McLean.
Summary Of Record Information Name:JEMIMA MARION MORRIS Application Number:KB00071459
at Karrakatta Burial Aged (Years)70Date of Death14/03/1943 at BELMONT WA Grave Location KARRAKATTA CEMETERY: PRESBYTERIAN Section:IA Gravesite0366 Grant Number, K0037309, Grantee,PERCY ANGUS MORRIS Grant Status EXPIRED 20/04/1993
[S-75] http://www.genealogysa.org.au, https://www.genealogysa.org.au login required, 19.1.2017 Researcher Lorna McLean.
marriage;8 Dec 1910 Reg No;245/696 ISAACHSEN,Oscar Lionel BRIDE; SCHUETZE,Ella Gertrude in Nairne SA. No other known/offered/found evidence to date.
Nairne is a small township in SA, founded by Matthew Smillie in 1839 and named for his wife's family.