The phrase "a few staunch" is correct and usable in written English.
It can be used to describe a small number of loyal or committed individuals, often in a context where their steadfastness is being highlighted.
Example: "Despite the challenges, a few staunch supporters remained by her side throughout the campaign."
Alternatives: "a handful of loyal" or "a small group of devoted".
To be sure, there were a few staunch fans who lamented the team's possible move to Brooklyn after its sale late yesterday to the developer Bruce C. Ratner.
A few staunch opponents of affirmative action also fretted that the administration's legal brief, to be filed on Thursday, might be more narrowly drawn.
Although youth groups announced plans to protest in favor of reform this week, a few staunch supporters of the regime showed up instead, carrying photos of the king and signs denouncing calls for a constitutional monarchy.
There have been, to their great credit, many holdouts and even a few staunch and loud opponents of Trumpism among Republican regulars, and even more among the conservative intellectual classes.
Another reason it has been held up: When the film, Mr. Kelly's eagerly anticipated follow-up to his 2001 cult hit "Donnie Darko," had its premiere at the Cannes Film Festival last year, the critical reception — except for a few staunch defenders — ranged from negative to vicious.
Only a few staunch leftists, Dromi among them, refuse to understand that irresponsible, one-sided concessions to the Palestinians would bring not peace but war.
Ayatollah Ahmed Jannati, the council's chairman, is one of Ayatollah Khamenei's few staunch allies among powerful clerics.
Pakistan has been isolated abroad because of accusations that it harbors Islamist terrorists, and Turkey has remained one of its few staunch friends.
Even Virginia's Mark Warner, one of the few staunch pro-gun Senate Democrats, reversed course to back restrictions on assault weapons, declaring that "the status quo is not acceptable anymore".
Some said they hoped that Mr. Bush's first defeat on a judicial nomination might persuade him to take their views more into account and send up fewer staunch conservatives and more moderates.
A number of serious ("prosumer") amateurs and even a few professional photographers have become staunch mirrorless fans, especially now they provide almost as much control over shooting conditions as full-sized digital SLRs.
