Larry Bird had the most games for the Celtics with 40+ points, with 47 games.

Interpreted as:

most 40 or more point regular-season games by a player 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	+/-
1	Larry Bird L. Bird	47	2,077	42.5	44.2	10.7	6.2	1.9		17.2	28.5	60.3	1.5	3.4	44.1	8.3	8.9	93.1	68.1				1,996	504	293	87			117
2	Jayson Tatum J. Tatum	29	1,282	39.0	44.2	8.6	4.7	0.9	0.8	14.6	25.6	57.1	5.9	11.2	52.8	9.1	10.2	88.9	73.5	1.0	7.7	2.1	1,131	250	135	27	22	62	65	+391
3	Paul Pierce P. Pierce	21	894	42.9	42.6	7.0	3.4	2.4	1.0	13.1	24.4	53.9	3.0	6.3	48.5	13.2	15.8	84.0	68.0	1.0	6.0	3.6	900	147	72	50	22	75	59	+164
4	Jaylen Brown J. Brown	12	511	37.6	42.6	8.6	3.2	1.3	0.5	16.1	25.6	62.9	4.4	8.7	51.0	6.0	7.8	76.6	73.3	1.9	6.7	3.8	451	103	38	15	6	45	27	+157
5	John Havlicek J. Havlicek	12	495		41.3			2.0	1.0	16.6	29.9	55.4				8.1	9.5	85.1	60.5	1.0	3.0					2	1		28
6	Tom Heinsohn T. Heinsohn	8	338		42.3					17.6	31.3	56.4				7.0	9.3	75.7	59.8										33
7	Isaiah Thomas I. Thomas	5	222	38.8	44.4	2.4	5.4	1.0	0.2	12.4	23.0	53.9	5.8	11.4	50.9	13.8	14.4	95.8	75.7	0.4	2.0	3.0	194	12	27	5	1	15	11	+15
8	Sam Jones S. Jones	5	221		44.2					17.6						9.0	10.2	88.2
9	Kyrie Irving K. Irving	4	170	39.2	42.5	5.5	6.0	1.3	0.5	16.3	26.0	62.5	4.5	7.5	60.0	5.5	6.5	84.6	73.6	1.8	3.8	2.3	157	22	24	5	2	9	10	+55
10	Antoine Walker A. Walker	4	181	43.5	45.3	7.5	6.5	2.5	0.3	17.3	31.0	55.6	6.3	10.8	58.1	4.5	8.0	56.3	65.5	2.0	5.5	3.0	174	30	26	10	1	12	17	+3
11	Dee Brown D. Brown	3	122	47.3	40.7	5.7	5.7	2.0	1.7	13.0	21.7	60.0	4.0	6.3	63.2	10.7	12.3	86.5	75.0	1.0	4.7	1.7	142	17	17	6	5	5	9
12	Bob Cousy B. Cousy	3	128		42.7					16.3	32.0	51.0				10.0	11.0	90.9	57.9										6
13	Bill Sharman B. Sharman	3	127	37.3	42.3	4.3				16.7	28.3	58.8				9.0	9.7	93.1	65.0				112	13					8
14	Kemba Walker K. Walker	2	84	36.7	42.0	7.0	5.0	1.0	0.5	15.0	25.5	58.8	5.5	13.0	42.3	6.5	8.0	81.3	72.4	1.5	5.5	2.0	73	14	10	2	1	4	3	-5
15	Kevin McHale K. McHale	2	98	42.5	49.0	12.5	3.0	0.5	2.0	18.5	24.5	75.5	0.0	0.0		12.0	14.5	82.8	79.3	6.0	6.5	4.0	85	25	6	1	4	8	8
16	Derrick White D. White	1	41	39.2	41.0	3.0	2.0	3.0	1.0	14.0	26.0	53.8	9.0	17.0	52.9	4.0	4.0	100.0	73.8	0.0	3.0	1.0	39	3	2	3	1	1	0	+8
17	Payton Pritchard P. Pritchard	1	43	42.9	43.0	10.0	5.0	0.0	0.0	14.0	20.0	70.0	10.0	16.0	62.5	5.0	5.0	100.0	96.8	4.0	6.0	0.0	43	10	5	0	0	0	2	+12
18	Jeff Green J. Green	1	43	40.1	43.0	7.0	2.0	2.0	4.0	14.0	21.0	66.7	5.0	7.0	71.4	10.0	13.0	76.9	80.5	1.0	6.0	2.0	40	7	2	2	4	2	2	+3
19	Todd Day T. Day	1	41	38.0	41.0	3.0	3.0	3.0	0.0	11.0	18.0	61.1	5.0	8.0	62.5	14.0	16.0	87.5	81.9	3.0	0.0	3.0	38	3	3	3	0	3	5
20	Dominique Wilkins D. Wilkins	1	43	41.0	43.0	9.0	2.0	1.0	0.0	16.0	27.0	59.3	5.0	6.0	83.3	6.0	9.0	66.7	69.4	5.0	4.0	7.0	41	9	2	1	0	7	5
21	Reggie Lewis R. Lewis	1	42	39.0	42.0	5.0	3.0	1.0	0.0	16.0	24.0	66.7	0.0	0.0		10.0	12.0	83.3	71.7	2.0	3.0	1.0	39	5	3	1	0	1	2
22	Danny Ainge D. Ainge	1	45	37.0	45.0	3.0	6.0	2.0	0.0	20.0	29.0	69.0	2.0	4.0	50.0	3.0	4.0	75.0	73.1	1.0	2.0	3.0	37	3	6	2	0	3	1
23	Robert Parish R. Parish	1	40	33.0	40.0	13.0	1.0	0.0	1.0	15.0	23.0	65.2	0.0	0.0		10.0	15.0	66.7	67.6				33	13	1	0	1		2
24	Bob McAdoo B. McAdoo	1	42	46.0	42.0	12.0	5.0	1.0	1.0	18.0	22.0	81.8				6.0	7.0	85.7	83.7	4.0	8.0	9.0	46	12	5	1	1	9	5
25	Jo Jo White J. Jo White	1	41	42.0	41.0	4.0	8.0	0.0	0.0	18.0	25.0	72.0				5.0	5.0	100.0	75.4				42	4	8	0	0		0