Between the 1929-30 and 1938-39 seasons, 4 players were tied for the most assists in a month, with 12 assists. The first three are Bill Cowley in February 1939, Art Chapman in February 1935 and Joe Primeau in January 1934, in December 1931 and in January 1931.

most assists by a player in a month in the 1930's

	NAME	A	MONTH	GP	G	P	PIM	PPG	PPA	SHG	SHA	GWG	OTG
1	Bill Cowley B. Cowley	12	February 1939	12	2	14	0	0	0	0	0	1	0
2	Art Chapman A. Chapman	12	February 1935	9	2	14	0	0	2	1	0	0	0
3	Joe Primeau J. Primeau	12	January 1934	13	3	15	4	0	1	0	0	0	0
4	Joe Primeau J. Primeau	12	December 1931	13	2	14	6					0	0
5	Joe Primeau J. Primeau	12	January 1931	12	2	14	4					1	0
6	Frank Boucher F. Boucher	12	December 1929	10	8	20	2					0	1
7	Syl Apps S. Apps	11	January 1937	12	4	15	4	0	0	0	0	0	0
8	Sweeney Schriner S. Schriner	11	January 1936	10	2	13	0	0	2	0	0	0	0
9	Frank Boucher F. Boucher	11	January 1934	13	8	19	0	1	2	1	0	1	0
10	Cecil Dillon C. Dillon	11	January 1934	13	4	15	2	2	3	0	0	0	0
11	Max Kaminsky M. Kaminsky	11	January 1934	11	3	14	4	0	2	0	0	0	0
12	Frank Boucher F. Boucher	11	December 1932	12	1	12	2					1	0
13	Howie Morenz H. Morenz	11	December 1932	11	4	15	4					1	1
14	Hooley Smith H. Smith	11	December 1931	11	5	16	24					1	0
15	Frank Boucher F. Boucher	11	January 1930	11	11	22	2					0	0
16	Bill Cook B. Cook	11	January 1930	11	6	17	26					0	0
17	Dutch Gainor D. Gainor	11	December 1929	11	5	16	17					0	0
18	Bill Cowley B. Cowley	10	March 1939	6	4	14	0	0	0	0	0	0	0
19	Bill Thoms B. Thoms	10	March 1938	8	1	11	2	0	0	0	2	0	0
20	Phil Watson P. Watson	10	January 1938	11	1	11	6	0	0	0	0	0	0
21	Red Horner R. Horner	10	November 1937	10	2	12	16	0	0	0	0	1	0
22	Art Chapman A. Chapman	10	February 1936	11	1	11	0	1	5	0	0	0	0
23	Frank Boucher F. Boucher	10	February 1935	12	0	10	0	0	2	0	0	0	0
24	Ebbie Goodfellow E. Goodfellow	10	February 1935	11	2	12	2	0	4	0	0	0	0
25	Frank Boucher F. Boucher	10	January 1935	12	5	15	0	0	1	0	0	1	0