Larry Bird had the most games for the Celtics in the playoffs with 30+ points, with 43 games.

most +30 point games in the playoffs in celtics history

Interpreted as:

most +30 or more point games by a player in the playoffs in celtics history

NAME	GP	PTS	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	REB	AST	STL	BLK	TOV	PF	+/-
Larry Bird	43	1,464	43.9	34.0	9.9	6.1		0.8	12.6	22.6	55.5	0.8	2.0	42.4	8.1	8.9	91.1	64.1				1,887	427	262		36		123
John Havlicek	30	1,051		35.0	7.9	5.9			13.5	26.3	51.5				8.0	9.0	88.5	58.0					237	177				87
Jayson Tatum	29	1,007	41.7	34.7	9.5	5.2	1.2	1.1	11.2	23.0	48.5	3.5	9.3	37.3	8.9	9.9	89.6	63.4	1.2	8.3	2.8	1,208	275	151	34	32	82	76	+190
Sam Jones	21	759		36.1	5.1	2.7			14.0	25.3	55.5				8.0	9.5	84.5	61.2					108	57				68
Paul Pierce	16	562	44.2	35.1	8.3	5.4	2.1	1.1	10.7	20.9	51.2	2.8	5.9	46.8	11.0	12.9	85.0	66.1	1.3	7.0	3.6	708	133	87	33	17	58	58	+114
Jaylen Brown	13	432	40.0	33.2	7.2	2.8	0.8	0.5	12.6	22.8	55.2	4.2	8.9	47.4	3.8	5.2	73.1	66.2	1.7	5.5	2.8	520	94	37	11	6	36	34	+74
Kevin McHale	13	417	41.0	32.1	9.0	2.0	0.3	1.5	11.8	17.8	66.7	0.1	0.2	50.0	8.3	9.9	83.7	72.5	2.8	6.2	1.8	533	117	26	4	20	23	46
Tom Heinsohn	10	323	36.4	32.3	10.5				12.5	24.9	50.2				7.3	10.4	70.2	54.8				364	105					43
Jo Jo White	9	306	46.3	34.0	4.8	6.8			14.8	27.2	54.3				4.4	4.9	90.9	57.9				417	43	61				24
Dave Cowens	8	253	45.9	31.6	16.5	3.6			13.6	27.0	50.5				4.4	5.9	74.5	53.4				367	132	29				33
Bill Sharman	6	192	40.5	32.0	4.0				11.5	24.3	47.3				9.0	9.5	94.7	56.1				243	24					16
Bob Cousy	6	208	48.0	34.7		5.5			9.5	20.3	46.7				15.7	18.2	86.2	61.2				288		33				25
Isaiah Thomas	5	194	38.6	38.8	3.8	5.4	1.2	0.2	12.2	23.8	51.3	3.8	10.2	37.3	10.6	12.0	88.3	66.7	0.4	3.4	3.2	193	19	27	6	1	16	11	+42
Reggie Lewis	5	176	43.2	35.2	4.4	4.6	2.8	0.8	14.0	25.4	55.1	0.4	1.0	40.0	6.8	8.4	81.0	60.5	1.6	2.8	2.0	216	22	23	14	4	10	22
Bill Russell	5	154	49.0	30.8	33.4	4.2			10.6	22.0	48.2				9.6	12.4	77.4	56.1				245	167	21				18
Ray Allen	4	145	44.6	36.3	3.5	2.8	1.3	0.0	12.3	22.0	55.7	7.8	12.5	62.0	4.0	4.3	94.1	75.9	0.8	2.8	1.8	178	14	11	5	0	7	10	+52
Dennis Johnson	3	95	44.7	31.7	6.0	8.3	0.7	0.3	11.7	18.3	63.6	0.3	1.7	20.0	8.0	8.0	100.0	72.5	2.7	3.3	3.0	134	18	25	2	1	9	10
Robert Parish	3	94	44.7	31.3	12.7	2.3			12.3	19.7	62.7	0.0	0.0		6.7	8.3	80.0	67.1				134	38	7				14
Rajon Rondo	2	74	47.6	37.0	6.0	8.5	2.5	0.0	14.5	23.5	61.7	1.0	1.5	66.7	7.0	9.5	73.7	66.8	0.0	6.0	3.5	95	12	17	5	0	7	3	+4
Kevin Garnett	2	65	41.5	32.5	8.5	2.5	1.5	0.5	11.0	18.0	61.1	0.5	0.5	100.0	10.0	11.5	87.0	70.5	2.5	6.0	3.5	83	17	5	3	1	7	6	-2
Antoine Walker	2	60	43.0	30.0	5.5	4.0	1.0	0.0	10.0	18.0	55.6	2.0	5.5	36.4	8.0	9.5	84.2	67.6	0.5	5.0	4.0	86	11	8	2	0	8	7	+18
Derrick White	1	38	40.8	38.0	4.0	3.0	0.0	3.0	15.0	26.0	57.7	8.0	15.0	53.3	0.0	0.0		73.1	1.0	3.0	1.0	41	4	3	0	3	1	3	+10
Al Horford	1	30	41.6	30.0	8.0	3.0	0.0	1.0	11.0	14.0	78.6	5.0	7.0	71.4	3.0	4.0	75.0	95.2	0.0	8.0	1.0	42	8	3	0	1	1	4	+20
Kemba Walker	1	32	35.5	32.0	4.0	4.0	1.0	2.0	8.0	15.0	53.3	4.0	9.0	44.4	12.0	13.0	92.3	77.2	0.0	4.0	2.0	36	4	4	1	2	2	4	-2
Kyrie Irving	1	37	39.3	37.0	6.0	7.0	1.0	2.0	15.0	26.0	57.7	6.0	10.0	60.0	1.0	2.0	50.0	68.8	1.0	5.0	2.0	39	6	7	1	2	2	2	+4