I have found some interesting information (grandmother is Ceja) about the Ceja family name. It is registered in the Book of Jewish names (all variations of spellings) in Spain during the Inquisition.
http://www.sephardim.com/namelist.shtml?mode=form&from=C...Cejas
(*)(29)Also see Seixas
(29) "Sangre Judia" ("Jewish Blood") by Pere Bonnin. A list of 3,500 names used by Jews, or assigned to Jews by the Holy Office (la Santo Oficio) of Spain. The list is a result of a census of Jewish communities of Spain by the Catholic Church and as found in inquisition records. Los Apellidos estan sacados de las listas de penitenciados por el Santo Oficio, de los censos de las juderias y de otras fuentes que indican claramente que la persona portadora del apellido es judia o judeoconversa. Tiene Vd. sangre judia? (~)
http://mexfiles.net/2007/03/18/mexicali-jews/ Seixas(46)
Seijas(*)(Also Seixas)(2)(14)
)
Seixas Avilia de(30)
Seixas de Contreiras(30)
Seixas Guedes(30)
Seixas(46)
Seixas(Also Aceijas, Acejas, Sejas,Seijas)(*)(2)(5)(7)(14)(18)(25)(29)(30)(37)(40)(46)
Seja(30)