who is the youngest player hit 30or more home runs in a season

Taylor Shaffer is the youngest in a season. He was 14 years old in his rookie season in 1884.

	NAME	Age	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Taylor Shaffer T. Shaffer	14	0	1884	TOT	66	251	30	50	5	2		18					269	59	7					.199		.235		30	-9.6	.233	80	-7.5
2	Joe Nuxhall J. Nuxhall	15		1944	CIN
3	Jim Derrington J. Derrington	16	0	1956	CWS	1	2	0	1	0	0	0	0	0	1	0	0	2	1	0	0	0	0	0	.500	.500	.500	1.000	0	0.2	.454	172	0.2
4	Alex George A. George	16	0	1955	KCA	5	10	0	1	0	0	0	1	0	7	0	0	11	1	0	0	0	0	0	.100	.182	.100	.282	0	-1.6	.148	-24	-1.7
5	Tommy Brown T. Brown	16	0	1944	BKN	46	146	17	24	4	0	8	8	0	17	0		160	28	4	6			3	.164	.208	.192	.400	2	-15.1	.196	12	-16.5
6	Putsy Caballero P. Caballero	16	0	1944	PHN	4	4	0	0	0	0	0	0	0	1	0		4	0	0	0			0	.000	.000	.000	.000	-1	-0.9	.000	-108	-1
7	Roger McKee R. McKee	16	0	1943	PHN	4	5	1	1	0	0	1	1	0	1	0		6	1	0	0			0	.200	.333	.200	.533	0	-0.2	.280	67	-0.2
8	Carl Scheib C. Scheib	16	0	1943	PHA	6	5	0	0	0	0	0	0	0	3	0	0	5	0	0	0			0	.000	.000	.000	.000	-1	-1.1	.000	-115	-1.2
9	Coonie Blank C. Blank	16	0	1909	SLN	1	2	0	0	0	0	0	0	0	0	0		2	0	0	0				.000	.000	.000	.000	0	-0.4	.000	-95	-0.4
10	Joe Stanley J. Stanley	16	0	1897	WSH	1	1	0	0	0	0	0	0	0	1	0		1	0	0	0				.000	.000	.000	.000	0	-0.3	.000	-99	-0.3
11	Tom Hess T. Hess	16	0	1892	BAL	1	2	0	0	0	0	0	0	0	0	0		2	0	0					.000	.000	.000	.000	0	-0.5	.000	-77	-0.5
12	Willie McGill W. McGill	16	0	1890	CLP	24	68	10	10	2	0	6	21	1	16	0		90	12	2					.147	.356	.176	.532	12	-2.1	.308	77	-3.6
13	Piggy Ward P. Ward	16	0	1883	PHN	1	5	0	0	0	0	0	0		2			5	0	0					.000		.000		0	-1.2	.000	-48	-1.2
14	Leonidas Lee L. Lee	16	0	1877	STL	4	18	0	5	1	0	0	0		1			18	6	1					.278		.333		2	-0.1	.280	100	0
15	Frank Pearce F. Pearce	16	0	1876	LOU	1	2	0	0	0	0	0	0		0			2	0	0					.000		.000		0	-0.4	.000	-53	-0.5
16	Willie Crawford W. Crawford	17	0	1964	LAD	10	16	3	5	1	0	0	1	0	7	1	1	17	6	1	0	0	0	0	.313	.353	.375	.728	2	0.3	.327	116	0.3
17	Larry Dierker L. Dierker	17	0	1964	HOU	3	3	0	0	0	0	0	0	0	2	0	0	3	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.7	.000	-106	-0.7
18	Jay Dahl J. Dahl	17		1963	HOU
19	Ed Kirkpatrick E. Kirkpatrick	17	0	1962	LAA	3	6	0	0	0	0	0	0	0	2	0	0	6	0	0	0	0	0	0	.000	.000	.000	.000	-1	-1.5	.000	-106	-1.5
20	Ed Kranepool E. Kranepool	17	0	1962	NYM	3	6	0	1	1	0	0	0	0	1	0	0	6	2	1	0	0	0	0	.167	.167	.333	.500	0	-0.5	.214	21	-0.6
21	Danny Murphy D. Murphy	17	1	1960	CHC	31	75	7	9	2	0	6	4	1	13	0	0	81	14	3	1	0	0	2	.120	.175	.187	.362	0	-9.3	.171	-3	-9.9
22	Tim McCarver T. McCarver	17	0	1959	STL	8	24	3	4	1	0	0	2	0	1	0	0	26	5	1	0	0	0	0	.167	.231	.208	.439	1	-2.3	.208	16	-2.7
23	Jim Derrington J. Derrington	17	0	1957	CWS	20	4	1	0	0	0	0	1	0	2	0	0	7	0	0	2	0	0	0	.000	.200	.000	.200	0	-1	.141	-21	-1
24	Stover McIlwain S. McIlwain	17		1957	CWS
25	Rod Miller R. Miller	17	0	1957	BKN	1	1	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.2	.000	-116	-0.3