have you check the census for their time place , this information that you have already added

You perhpe have not recieved a response before because you did not give ant idea of birth place. So this your John ?

Australia, Electoral Rolls, 1903-1980
Name: John Albert Redvers Thompson
Gender: Male
Electoral Year: 1924
State: Victoria
District: Bendigo
Subdistrict: Eaglehawk
Address :
Lethby Street
Occupation : miner

this is interesting I was not aware my grandfather was a miner according to my mum he was tracker on the railways.
His dad John Gardiner Thompson was miner and died in 1943 of miners complaint

Australia, Electoral Rolls, 1903-1980
Name: John Gardiner Thompson
Gender: Male
Electoral Year: 1942
State: Victoria
District: Bendigo
Subdistrict: Bendigo
Address : 240 High Street (pensioner)
..........................................................
I think this might have been mistrascribed d 1943 birth 1867. you will need to double check. If it is 1943 then his birth might have been :

Australia Death Index, 1787-1985
Name: John Gardiner Thompson
Death Place: Bendigo, Victoria
Age: 76
Father's Name: John Thompson
Registration Year: 1843
Registration Place: Victoria
Registration Number: 17212
Estimated birth year: abt 1767

Australia Birth Index, 1788-1922
Name: John Gardner Thompson
Father's Name: James Thompson
Mother's name: Ann Gardner
Birth Place: Dunolly, Victoria
Registration Year: 1866
Registration Place: Victoria
Registration Number: 20971

Mum said her dad John Albert was not a miner but her Grandfather was
I am looking for siblings of John Gardner thanks

Australia Birth Index, 1788-1922 about
Name: Jno Albt Redvers Thompson
Father's Name: Jno Thompson
Mother's name: Annle Matthews
Birth Place: Eaglehawk, Victoria
Registration Year: 1900
Registration Place: Victoria
Registration Number: 26119

Australia Marriage Index, 1788-1950
Name: Annie Matthews
Spouse Name: John Thompson
Marriage Place: Victoria
Registration Place: Victoria
Registration Year: 1887
Registration Number: 2906

Australia Birth Index, 1788-1922
Name: Adelaide Emily Thompson
Father's Name: Jno Thompson
Mother's name: Annie Jane Matthews
Birth Place: Eaglehawk, Victoria
Registration Year: 1891
Registration Place: Victoria
Registration Number: 2717

Australia Death Index, 1787-1985
Name: Adeline May Thompson
Death Place: Englehawk, Victoria
Age: 4 Months
Father's Name: John
Mother's name: Annie Matthews
Registration Year: 1888
Registration Place: Victoria
Registration Number: 1318
Estimated birth year: abt 1887

Australia Birth Index, 1788-1922
Name: Stella Myrtle Thompson
Father's Name: Jno Thompson
Mother's name: Annie Matthews
Birth Place: Eaglehawk, Victoria
Registration Year: 1892
Registration Place: Victoria
Registration Number: 22539


Australia Birth Index, 1788-1922
Name: Jas Thompson
Father's Name: Thompson
Mother's name: Annie Jane Matthews
Birth Place: Eaglehawk, Victoria
Registration Year: 1889
Registration Place: Victoria
Registration Number: 21034

Australia Death Index, 1787-1985
Name: Olive Virtue Thompson
Death Place: Eaglehawk, Victoria
Father's Name: Thompson Jno
Mother's name: Annie Jane Matthews
Registration Year: 1897
Registration Place: Victoria
Registration Number: 1319

Australia Birth Index, 1788-1922
Name: James Thompson
Father's Name: James Thompson
Mother's name: Ann Gardner
Birth Place: Burn, Victoria
Registration Year: 1860
Registration Place: Victoria
Registration Number: 16240

Australia Death Index, 1787-1985
Name: James Thompson
Death Place: Victoria
Age: 18
Father's Name: James
Mother's name: Ann Gardner
Registration Year: 1878
Registration Place: Victoria
Registration Number: 2347
Estimated birth year: abt 1860


Australia Birth Index, 1788-1922
Name: Elizabeth Thorn Thompson
Father's Name: James Thompson
Mother's name: Anne Gardner
Birth Place: Grea, Victoria
Registration Year: 1864
Registration Place: Victoria
Registration Number: 15483

Thankyou Noggin for all the information I really do appreciate it