Cornelia was born in New York State to American parents of British and Dutch ancestry.
After a career in the telecommunications industry, Cornelia returned to her early interest in Colonial American history and took up the cause of historic preservation.
She received the prestigious DeWitt Clinton Masonic Award for Community Service from the F&AM Grand Lodge NY State in 1995 for her work in saving an old stagecoach inn housing the oldest Masonic Meeting Room in the State.
Cornelia has served as National Co-Chair for Marking and Preservation for the 13,000 member organization The National Society Colonial Dames XVII Century, and in that capacity led the effort to bring attention to historic properties at risk in the Northeastern United States and was also certified as a Lineage Specialist and Genealogist in 2003.
Following in the footsteps of her mother and grandmother, Cornelia is a third-generation Genealogist.
She has given lectures at Scottish Highland Games, developed a series for adult learners at community college, and developed a database on an entire Scottish Clan [the resulting book is called MacRaes to America!! and is available through Amazon].
Cornelia is active in several spheres in the Genealogy field: academic, patriotic & hereditary societies [aka lineage societies] and Scottish clans and families.
She performs due diligence research for law firms to identify next of kin.
In April 2011, she was sworn into Office as the Historian of Orange County, New York.