When rumors threatened him politically, it needed to be denied.
When George’s debts required an official dynastic marriage, Maria could be set aside and Caroline brought in.
And when George died decades later, Maria could not publicly claim the status that the 1785 ceremony had apparently promised her.
The future king had married her.
The future king had also, in law, never married her at all.
The Evidence the Monarchy Could Not Erase
There is another irony in the survival of the Fitzherbert papers.
George IV’s private archive is relatively incomplete.
The Royal Archives explains that George instructed his executors to examine his papers after his death and preserve or destroy them as they considered appropriate. As a result, comparatively few of his private papers survive there.
Maria’s evidence therefore became particularly important.
She had preserved the documentary memory of a relationship that public royal life had been forced to treat very differently.
The Royal Archives now holds a collection of Fitzherbert papers dating from 1785 onward. It includes documents concerning the marriage, financial arrangements and correspondence.
The collection does not magically transform the ceremony into a valid British marriage.
It proves something subtler.
George’s later kingship did not erase what he had done as a young prince.
The legal fiction necessary to preserve the succession could determine Maria’s official status.
It could not make December 15, 1785 disappear.
A Marriage That Was Real—and Not Real
That is why the story of George IV and Maria Fitzherbert remains more fascinating than a conventional royal love affair.
It cannot be reduced to the claim that Maria was secretly Britain’s rightful queen. Under British law, she was not.
Nor can it fairly be reduced to the claim that she was merely one more mistress of a notoriously unfaithful prince.
The historical reality sits uncomfortably between those extremes.
George pursued her.
Maria insisted upon marriage.
They participated in a secret ceremony before a clergyman and witnesses in December 1785.
But George had not obtained the consent legally required from George III, so the ceremony was void under the Royal Marriages Act. Maria’s Catholicism also collided directly with the constitutional rules governing the heir to the Protestant British throne.
The political consequences dictated what happened afterward.
The relationship was denied when necessary.
George officially married Caroline of Brunswick.
He eventually became Prince Regent and then George IV.
Maria never became princess, queen or recognized royal wife.
Yet she kept the evidence.
George kept traces of Maria too.
And more than a century after that private London ceremony, material documenting it entered the Royal Archives. The institution of monarchy that could never legally recognize Maria as George’s wife became the custodian of documents showing that the future king had nevertheless stood beside her and attempted to make her exactly that.
Perhaps nothing captures their relationship better.
Maria Fitzherbert could never be Queen Maria.
She could not publicly occupy the position that the secret ceremony had promised.
George could marry another woman before the law, inherit his father’s throne and reign as George IV.
But the secret he once needed Britain to deny survived him.
Today, in the Royal Archives at Windsor, the catalogue still records a document dated December 15, 1785 bearing the names of George, Prince of Wales, and Maria Fitzherbert—and describing their signatures as verification of the marriage that British law had declared could never legally exist.