Jamie,

In 1936 Francis Laurence McKenna was living at 130 Park St with:
Eileen May C McKenna, a patent turner (maybe his sister)
John Patrick McKenna, a salesman
Mary Theresa McKenna, home duties (maybe his mother).
Francis was still registered at this address in 1949 through to 1972. Then he's at 839 Park St until 1980.

These may be the births of some of his siblings. Note that Francis appears to have actually been born in 1912. He is indexed as Francis Ambrose. This may be a transcription error or a baptismal name.

Surname: MCKENNA
Given Names: Eveleen Mary
Event: B
Sex: F
Spouse Surname/Father: Peter Gartland
Spouse Gvn Names/Mother: May CONNOLLY
Birth Place: BRUNSWICK
Year: 1905
Reg. Number: 23919

Surname: MCKENNA
Given Names: Francis Ambrose
Event: B
Sex: M
Spouse Surname/Father: Peter Gartland
Spouse Gvn Names/Mother: Mary Theresa CONNOLLY
Birth Place: BRUNSWICK NORTH
Year: 1912
Reg. Number: 9588

Surname: MCKENNA
Given Names: Jno Patk
Event: B
Sex: M
Spouse Surname/Father: Peter Gartland
Spouse Gvn Names/Mother: Mary Theresa CONNOLLY
Birth Place: BRUNSWICK NORTH
Year: 1909
Reg. Number: 25313

Surname: MCKENNA
Given Names: Mary Teresa
Event: B
Sex: F
Spouse Surname/Father: Peter Gartland
Spouse Gvn Names/Mother: May Teresa CONNOLLY
Birth Place: BRUNSWICK
Year: 1907
Reg. Number: 24568

Jenny