Nissan 1 2450  
Nadab and Abihu,
sons of Aaron the High Priest. (Nadav ben Aharon HaKohen) (Avihu ben Aharon HaKohen)

Nissan 1 5499 (1739 C.E.) 
R' Yeshayahu Basson,
author of Responsa of Lachmei Todah, teacher of the Ramchal. (Yeshayahu ben Yisrael Chizkiyahu)

Nissan 1 5566 (1806 C.E.) 
R' Shmuel Kellin
R' Shmuel Kellin of Boskowitz, author of Machatzis HaShekel. (Shmuel ben Nassan Nota)

Nissan 1 5688 (1928 C.E.) 
R' Moshe Yosef Hoffman,
Dayan (judge) of Pupa, author of Mei Be'er Mayim Chayim. (Moshe Yosef ben Michael)

Nissan 1 5769 (2009 C.E.) 
R' Elya Svei
Rosh Yeshivah of Talmudical Yeshivah of Philadelphia (Eliyahu ben Shmuel Leib)