Encyclopedia of British Submarines 1901-1955
By Paul Akermann
Periscope Publishing Ltd., 2002 - Technology & Engineering - 522 pages
The history of the development of submarines covered in this book spans the most tumultuous years of the 20th century. When the little Holland No. 1 was launched in 1901, few could guess that the submarine would become the most potent weapon of war ever developed.
Akermann, P. (2002). Encyclopedia of British Submarines 1901-1955. (n.p.): Periscope Publishing, Limited.
ISBN: 9781904381051, 1904381057
https://books.google.com/books?id=boO7WGL21EQC&vq=trump&source=gbs_navlinks_s

pg 385
NOMENCLATURE
Only five boats were completed before the Prime Minister's order to name all submarines without delay, and only one of them P.311 was lost before given a name.
According to the Admiralty's 'Blue' lists (Ships Building), it appears that for a short period during 1943 there were two submarines named TALENT in the Royal Navy:
TALENT (i) ex-P.322 listed as TALENT 03.02.43 to 14.07.43, became ZWAARDVIS from 15.09.43
TALENT (ii) ex-P.343 listed as TALENT 04.07.43 to 10.44
TALENT (iii) ex-TASMAN ex-P.337 listed as TALENT from 04.45
TABARD, the official dress of a herald, 1st of name.
TACITURN, 1st of name.