I see that you are fishing for information on Adolph LEIBOVICI,
in order for us in the FrenchSig to give you help, you need to let us know
where you have already searched.
For example the Etat Civil of Paris has listing on line of marriages in all
20 arrondissements >from 1860 to 1954.
Have you looked in the appropriate years for a marriage in Paris for an
Adolph LEIBOVICI ?
You should also summarize what you have found to date, progress
Pierre M Hahn, San Francisco