18: Una del Unicorn -New Name (NP)

Submitter desires a feminine name.
The following changes are allowed: any changes needed to make it grammatically correct
Spelling (as submitted, if possible) most important.

Consulting Herald: Alys Mackyntoich

Una is an English female given name found in the FamilySearch Historical Records as follows:

Una Grindall; Female; Male; Christening; 29 Jan 1588; Saint Bees, Cumberland, England; Batch: C03686-2 (https://www.familysearch.org/ark:/61903/1:1:J33C-QVZ)

del Unicorn is an English byname based on an inn-sign. Juliana de Luna's "Dictionary of Inn Signs in Medieval and Renaissance England" (https://heraldry.sca.org/kwhss/2017/inn%20signs%20dictionary%20JdL.pdf) contains multiple examples of inns named for the unicorn, including: le Unicorne (1318-1320), the Unicorn (1424-30) and the Unicorn (1636).

Bardsley p. 8-9 has examples of del + inn-sign bynames:

del Whithors (1273)
del Hat (1273)

Also in Bardsley:

del Hog (1313) - s.n. Hogg
del Heued (1379) - s.n. Head