When Louisa married David Downing in 1916 she was Louisa Barnes having previously married Joseph Barnes in 1904.
On the 1911 census she is a widow born 1880,living with her father John Fallon at
71 Upper Grove street Smethwick with 2 daughters
Mary Barnes age 6 and Louisa Barnes age 4
David Downing and Louisa had one son John in 1917.
A death in Birmingham of a Louisa Downing in 1920 age 40
David Downing married Sarah Ackrill in 1927 her maiden name Keough she married Benjamin Ackrill in 1903 he died in 1925 the Dennis Downing on the 1939 census was reg, Dennis Ackrill mother Keough.
Sarah and Benjamin had 2 children on 1911 census Benjamin 5 and Hilda 2 also had Reginald 1013,Eileen 1916 and Dennis 1921.