MLB First Name Debuts

	A	B	C	D
1	Year	Debuts	Unique Name Debuts	% Unique

2	1871	115	63	54.8%
3	1872	64	26	40.6%
4	1873	34	12	35.3%
5	1874	30	6	20.0%
6	1875	84	22	26.2%
7	1876	28	7	25.0%
8	1877	18	5	27.8%
9	1878	21	7	33.3%
10	1879	56	14	25.0%
11	1880	38	11	28.9%
12	1881	21	3	14.3%
13	1882	95	23	24.2%
14	1883	79	21	26.6%
15	1884	357	63	17.6%
16	1885	49	6	12.2%
17	1886	74	14	18.9%
18	1887	74	8	10.8%
19	1888	74	16	21.6%
20	1889	72	10	13.9%
21	1890	193	23	11.9%
22	1891	78	4	5.1%
23	1892	55	11	20.0%
24	1893	56	8	14.3%
25	1894	63	8	12.7%
26	1895	84	14	16.7%
27	1896	62	14	22.6%
28	1897	59	11	18.6%
29	1898	83	12	14.5%
30	1899	81	12	14.8%
31	1900	20	6	30.0%
32	1901	131	17	13.0%
33	1902	137	15	10.9%
34	1903	98	17	17.3%
35	1904	92	18	19.6%
36	1905	112	20	17.9%
37	1906	109	17	15.6%
38	1907	99	14	14.1%
39	1908	122	25	20.5%
40	1909	159	21	13.2%
41	1910	155	20	12.9%
42	1911	185	33	17.8%
43	1912	217	27	12.4%
44	1913	197	31	15.7%
45	1914	233	33	14.2%
46	1915	180	22	12.2%
47	1916	95	16	16.8%
48	1917	91	10	11.0%
49	1918	75	7	9.3%
50	1919	98	12	12.2%
51	1920	310	67	21.6%
52	1921	191	42	22.0%
53	1922	199	41	20.6%
54	1923	296	61	20.6%
55	1924	238	50	21.0%
56	1925	189	28	14.8%
57	1926	184	30	16.3%
58	1927	170	21	12.4%
59	1928	172	20	11.6%
60	1929	173	32	18.5%
61	1930	162	27	16.7%
62	1931	134	13	9.7%
63	1932	250	36	14.4%
64	1933	107	14	13.1%
65	1934	156	28	17.9%
66	1935	146	16	11.0%
67	1936	126	12	9.5%
68	1937	257	29	11.3%
69	1938	219	24	11.0%
70	1939	194	20	10.3%
71	1940	212	23	10.8%
72	1941	184	26	14.1%
73	1942	167	11	6.6%
74	1943	241	16	6.6%
75	1944	234	25	10.7%
76	1945	207	22	10.6%
77	1946	190	20	10.5%
78	1947	167	16	9.6%
79	1948	198	16	8.1%
80	1949	85	6	7.1%
81	1950	104	3	2.9%
82	1951	102	4	3.9%
83	1952	108	9	8.3%
84	1953	89	4	4.5%
85	1954	116	14	12.1%
86	1955	130	5	3.8%
87	1956	88	4	4.5%
88	1957	95	6	6.3%
89	1958	103	9	8.7%
90	1959	92	6	6.5%
91	1960	104	7	6.7%
92	1961	112	7	6.3%
93	1962	147	15	10.2%
94	1963	130	7	5.4%
95	1964	131	7	5.3%
96	1965	115	7	6.1%
97	1966	104	5	4.8%
98	1967	113	5	4.4%
99	1968	109	7	6.4%
100	1969	183	9	4.9%