The phrase "a special devotion to" is correct and usable in written English.
It can be used when expressing a strong commitment or dedication to a particular cause, person, or belief.
Example: "She has a special devotion to helping those in need, volunteering every weekend at the local shelter."
Alternatives: "a deep commitment to" or "a strong dedication to".
Hope was a member of the Colony Club and Junior League with a special devotion to her involvement in the Annual Golden Tree.
It takes a special devotion to an art to be able to skewer it properly but lovingly, and in that regard this company has spent the last two decades dissecting the opera world in much the same spirit as Peter Schickele's P.D.Q.
Pope Francis has a special devotion to "The Holy Family".
Lady Mary had "a special devotion" to Thomas de Cantilupe, the deceased Bishop of Hereford, and in her own words, upon hearing of Cragh's death, "on bended knee, she asked Saint Thomas de Cantilupe to ask God to restore life to William Cragh".
Have a special devotion to the Blessed Virgin Mary.
Furthermore, a significant number of Catholics practice some sort of religious syncretism, mainly with esoteric and African creeds, besides a large number of people who consider themselves "non-practitioners" participating in some rituals, such as a wedding or baptism, but not attending church regularly or evincing special devotion to a saint, for example (Almeida and Montero 2001).
Agnes was devoted to her faith and family, with special devotion to Mother Cabrini and Our Lady of the Olives.
Howe first met Brown in the 1850s, and she remembered his special devotion "to the redemption of the colored race from slavery".
Lady Soames would later write at affectionate length in her memoir, A Daughter's Tale, about Maryott "Moppet" Whyte's powerful, positive influence on her childhood, and her very special devotion to "Nana".
A committed supporter and lover of all the arts, Mr. Greenfield's special devotion was to opera, and in particular, to the support of the emerging careers of young vocal artists.
Loud and rowdy comedy and its repetitive antics fuses with quietly transcendent tenderness, a geographical devotion to terrain meets special effects of a simple, irrational sublimity.
