The Register of Admissions Gray's Inn, 1521 - 1889 was abstracted for the surnames JONES, JEFFERYS and LIGHTFOOT.
JONES surname document.
Register of Merchant Taylor School 1562-1699. [for JONES surname.]
Gray's Inn general information.
For an application of this subject see under http://thejonessurname.blogspot.com :
"First JONES To Gray's Inn 1568" dated Friday, Nov. 11, 2011 .