Ken Griffey Jr. has hit the most career home runs in the month of May, with 134 homers.

Interpreted as:

year with most home runs by a player in may

	NAME	HR	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Ken Griffey Jr. K. Griffey Jr.	134	506	1,868	332	535	98	3	358	256	12	327	34	11	2,156	1,041	235	0	20	49	35	.286	.372	.557	.930
2	Babe Ruth B. Ruth	133	419	1,418	362	467	78	26	382	354	7	227	21		1,797	996	237	18				.329	.465	.702	1.168
3	Willie Mays W. Mays	131	532	1,956	385	601	92	36	371	270	8	276	74	25	2,252	1,158	259	0	18	33	34	.307	.390	.592	.982
4	Hank Aaron H. Aaron	129	584	2,208	395	658	123	19	395	258	5	254	37	11	2,496	1,206	271	4	21	43	64	.298	.370	.546	.916
5	Barry Bonds B. Bonds	126	483	1,648	378	497	92	16	323	406	18	260	81	26	2,081	999	234	0	9	114	28	.302	.443	.606	1.049
6	Albert Pujols A. Pujols	122	542	2,033	317	587	103	0	356	235	26	261	18	8	2,319	1,056	225	0	25	50	74	.289	.366	.519	.885
7	Alex Rodriguez A. Rodriguez	119	470	1,798	346	553	94	5	342	222	29	375	48	13	2,065	1,014	218	2	14	15	49	.308	.390	.564	.954
8	Mark McGwire M. McGwire	116	334	1,123	224	307	49	2	281	263	6	256	1	2	1,405	708	167	1	12	27	29	.273	.410	.630	1.041
9	Harmon Killebrew H. Killebrew	111	443	1,518	235	403	55	5	305	278	11	329	2	6	1,822	801	171	0	15	35	49	.265	.380	.528	.907
10	Sammy Sosa S. Sosa	108	402	1,536	264	446	69	8	299	165	7	414	36	17	1,730	855	185	5	17	22	25	.290	.358	.557	.915
11	Mickey Mantle M. Mantle	108	429	1,491	326	459	71	12	297	306	0	320	36	4	1,805	878	191	2	6	27	18	.308	.424	.589	1.013
12	Jimmie Foxx J. Foxx	106	391	1,354	304	441	68	25	361	259	2	225	17		1,624	877	199	9			9	.326	.435	.648	1.082
13	Frank Robinson F. Robinson	98	499	1,764	321	518	110	12	325	258	34	267	43	15	2,075	946	220	4	15	41	56	.294	.391	.536	.927
14	Ernie Banks E. Banks	96	460	1,721	257	463	69	18	305	139	14	234	11	11	1,905	856	183	10	21	36	38	.269	.325	.497	.822
15	Ted Williams T. Williams	94	374	1,296	298	434	82	9	341	326	7	122	6	0	1,632	816	185	0	3	16	35	.335	.470	.630	1.100
16	Jim Thome J. Thome	93	398	1,332	236	367	76	3	261	279	4	393	3	6	1,629	728	172	0	14	27	36	.276	.399	.547	.946
17	Rafael Palmeiro R. Palmeiro	93	474	1,784	283	544	99	6	298	234	18	213	17	6	2,056	934	198	3	17	37	40	.305	.388	.524	.911
18	Fred McGriff F. McGriff	93	440	1,611	248	470	84	5	296	221	7	328	15	10	1,854	843	182	0	15	30	54	.292	.376	.523	.900
19	Adam Dunn A. Dunn	92	358	1,211	193	281	59	5	236	248	12	449	11	6	1,487	626	156	2	14	18	17	.232	.364	.517	.881
20	Frank Thomas F. Thomas	92	415	1,440	275	441	93	0	312	333	16	260	6	3	1,813	810	185	0	24	36	28	.306	.436	.563	.998
21	Reggie Jackson R. Jackson	91	469	1,668	271	418	70	10	269	221	14	443	33	20	1,921	781	171	1	17	23	40	.251	.340	.468	.808
22	Jose Canseco J. Canseco	88	332	1,264	219	339	55	1	254	180	11	344	46	20	1,468	660	144	0	13	8	36	.268	.361	.522	.883
23	Mel Ott M. Ott	88	497	1,750	341	525	94	20	356	305	9	176	15		2,092	923	202	28			7	.300	.406	.527	.934
24	Carl Yastrzemski C. Yastrzemski	87	558	1,995	319	561	99	8	318	347	5	216	30	23	2,373	937	194	3	23	34	64	.281	.385	.470	.855
25	Eddie Mathews E. Mathews	87	406	1,465	259	387	64	10	235	247	2	282	18	7	1,731	732	161	7	10	18	18	.264	.369	.500	.869