Hello, I see a lot of explanations for this " naming pattern". I know in some cases that I have personally seen,
i.e. A. father does'nt marry the mother - the son/daughter will decide to carry the mothers name.
B. father abandons mother and family - children decide to carry mothers name instead of fathers.
C. father committs a crime - Family decides to carry mothers name instead, to avoid stigma in society
D. father has mulitiple children out of wedlock - mother and/or children decide to carry maternal name.
E. even if father comes back to claim children, mother and or children will not permit name change, back or to fathers name.
F. Might not be fathers fault at all
G. Maybe influential parents, Grandparents registered the child with out the fathers permission in the maternal name and not the parental, for what ever the reason might be.
H. I know of one instance that the maternal parents only had one daughter, and no sons, so that the maternal