There is a 1927 Birth Reg for Kathleen. Gateshead, Mothers mn Dolan
Siblings
James 1922
Patrick 1924
+ 2 Births Stafford, Mothers mn Dolan
Leo 1916 Gateshead
John F 1920 Newcastle
But a Tree has them in the United States 1930 with no Kathleen with them

Appears to be another Family to me.
James P Mc Kenna Head M 38 England
Rose A Mc Kenna Wife F 34 England
James P Mc Kenna Jr. Son M 8 England
Rose M Mc Kenna Daughter F 6 England