In 1968, she graduated from the University of the East with a bachelor of science degree in business administration with a major in marketing.

[3] Her early professional life involved employment at the now-defunct Air Manila, owned by her future husband Ricardo Silverio, where she worked as a Reservation and Ticketing Agent beginning in 1968.

[3][4] Starting in the 1980s, she held key positions as chairman and president of Prime Sites Advertising and Silvercraft International Corp., an export company.

[5] Unable to seek re-election after three terms, Lorna was drafted to succeed him as representative, while he pursued the position of mayor in San Rafael, Bulacan.

While Lorna secured victory in the mayoral election receiving 54.25% of the votes, Ricardo faced defeat against then-Governor Jonjon Mendoza.