Between the 1940 and 1949 seasons, Ralph Kiner hit the most homers in a season, with 54 home runs in 1949.

Interpreted as:

most hr by a player in a season 1940's

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Ralph Kiner R. Kiner	54	1949	PIT	152	549	116	170	19	5	127	117	1	61	6		667	361	78	0	10	.310	.432	.658	1.089	153	73.4	.484	179	65.8
2	Ralph Kiner R. Kiner	51	1947	PIT	152	565	118	177	23	4	127	98	2	81	1		666	361	78	1	12	.313	.417	.639	1.055	145	69.5	.472	169	58.2
3	Johnny Mize J. Mize	51	1947	NYG	154	586	137	177	26	2	138	74	4	42	2		664	360	79	0	6	.302	.384	.614	.998	132	57.1	.448	156	47.4
4	Hank Greenberg H. Greenberg	44	1946	DET	142	523	90	145	29	5	127	80	0	88	5	1	604	316	78	1	17	.277	.373	.604	.977	115	51.5	.446	165	44.8
5	Ted Williams T. Williams	43	1949	BSA	155	566	150	194	39	3	159	162	2	48	1	1	730	368	85	0	22	.343	.490	.650	1.141	182	95.5	.511	187	82.2
6	Johnny Mize J. Mize	43	1940	SLN	155	579	111	182	31	13	137	82	5	49	7		666	368	87	0	10	.314	.404	.636	1.039	144	64.2	.455	174	59.7
7	Hank Greenberg H. Greenberg	41	1940	DET	148	573	129	195	50	8	150	93	1	75	6	3	670	384	99	3	15	.340	.433	.670	1.103	160	78.8	.482	168	62.8
8	Ralph Kiner R. Kiner	40	1948	PIT	156	555	104	147	19	5	123	112	3	61	1		670	296	64	0	15	.265	.391	.533	.924	121	42	.422	143	35.5
9	Johnny Mize J. Mize	40	1948	NYG	152	560	110	162	26	4	125	94	4	37	4		658	316	70	0	7	.289	.395	.564	.959	126	47.9	.435	154	43.8
10	Vern Stephens V. Stephens	39	1949	BSA	155	610	113	177	31	2	159	101	0	73	2	2	711	329	72	0	19	.290	.391	.539	.930	129	44.7	.424	134	31.7
11	Joe DiMaggio J. DiMaggio	39	1948	NYY	153	594	110	190	26	11	155	67	8	30	1	1	669	355	76	0	20	.320	.396	.598	.994	134	55.4	.447	158	49.7
12	Stan Musial S. Musial	39	1948	SLN	155	611	135	230	46	18	131	79	3	34	7		694	429	103	1	18	.376	.450	.702	1.152	174	92.3	.512	201	86.4
13	Ted Williams T. Williams	38	1946	BSA	150	514	142	176	37	8	123	156	2	44	0	0	672	343	83	0	12	.342	.497	.667	1.164	166	95.8	.525	214	87.5
14	Ted Williams T. Williams	37	1941	BSA	143	456	135	185	33	3	120	147	3	27	2	4	606	335	73	0	10	.406	.553	.735	1.287	179	108.8	.568	221	96.9
15	Stan Musial S. Musial	36	1949	SLN	157	612	128	207	41	13	123	107	2	38	3		721	382	90	0	12	.338	.438	.624	1.062	161	75.3	.477	178	69.7
16	Willard Marshall W. Marshall	36	1947	NYG	155	587	102	171	19	6	107	67	2	30	3		656	310	61	0	14	.291	.366	.528	.894	110	35.9	.407	131	26.2
17	Ted Williams T. Williams	36	1942	BSA	150	522	141	186	34	5	137	145	4	51	3	2	671	338	75	0	12	.356	.499	.648	1.147	168	96.2	.524	209	86.5
18	Jimmie Foxx J. Foxx	36	1940	BSA	144	515	106	153	30	4	119	101	0	87	4	7	618	299	70	2	18	.297	.412	.581	.993	127	52.4	.441	147	39.9
19	Hank Sauer H. Sauer	35	1948	CIN	145	530	78	138	22	1	97	60	4	85	2		598	267	58	4	10	.260	.340	.504	.844	91	20.2	.385	123	17.2
20	Walker Cooper W. Cooper	35	1947	NYG	140	515	79	157	24	8	122	24	3	43	2		546	302	67	4	13	.305	.339	.586	.926	95	33.5	.416	137	25.5
21	Rudy York R. York	34	1943	DET	155	571	90	155	22	11	118	84	1	88	5	5	661	301	67	5	22	.271	.366	.527	.893	112	44.4	.419	153	37.4
22	Dolph Camilli D. Camilli	34	1941	BKN	149	529	92	151	29	6	120	104	4	115	3		641	294	69	4	5	.285	.407	.556	.962	125	50.8	.437	165	48.9
23	Bill Nicholson B. Nicholson	33	1944	CHC	156	582	116	167	35	8	122	93	6	71	3		686	317	76	5	3	.287	.391	.545	.935	127	52.9	.431	161	49.1
24	Charlie Keller C. Keller	33	1941	NYY	140	507	102	151	24	10	122	102	1	65	6	4	610	294	67	0	3	.298	.416	.580	.996	125	54.4	.450	161	48.8
25	Rudy York R. York	33	1940	DET	155	588	105	186	46	6	134	89	4	88	3	2	685	343	85	4	12	.316	.410	.583	.993	141	58.1	.441	144	41.8