Diocese of Yokohama

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Bishop(s) Rafael Masahiro Umemura, Bishop

General Information Type of Jurisdiction: Diocese Erected: 9 November 1937 Metropolitan: Archdiocese of Tokyo Rite: Latin (or Roman) Country: Japan Square Kilometers: 28,245 (10,909 Square Miles) Mailing Address: 44 Yamate-cho, Naka-ku, Yokohama-shi 231-8652, Japan Telephone: (045)662-5585/6 Fax: 641-6522

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Past and Present Ordinaries

• Jean-Baptiste-Alexis Chambon, M.E.P. † (9 Nov 1937 Appointed - 18 Sep 1940 Resigned)
• Thomas Asagoro Wakida (Wakita) † (25 Mar 1947 Appointed - 5 Jul 1951 Resigned)
• Lucas Katsusaburo Arai † (13 Dec 1951 Appointed - 30 Oct 1979 Retired)
• Stephen Fumio Hamao † (30 Oct 1979 Appointed - 15 Jun 1998 Resigned)
• Rafael Masahiro Umemura (16 Mar 1999 Appointed - )

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Historical Summary

Date	Event	From	To
9 November 1937	Erected	Archdiocese of Tokyo	Diocese of Yokohama (erected)
4 January 1939	Territory Lost	Diocese of Yokohama	Prefecture Apostolic of Urawa (erected)

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Statistics

Year	Catholics	Total Population	Percent Catholic	Diocesan Priests	Religious Priests	Total Priests	Catholics Per Priest	Permanent Deacons	Male Religious	Female Religious	Parishes	Source
1950	7,630			15		15	508		51	284	34	ap1951
1970	29,777	11,244,335	.3%	24	136	160	186		191	735	24	ap1971
1980	37,366	13,181,944	.3%	79	73	152	245		112	638	45	ap1981
1990	45,858	14,582,123	.3%	33	106	139	329		133	577	97	ap1991
1999	52,554	15,274,683	.3%	41	103	144	364	1	118	635	84	ap2000
2000	52,867	15,336,592	.3%	44	103	147	359	1	124	634	84	ap2001
2001	51,998	15,375,429	.3%	45	100	145	358	1	121	597	84	ap2002
2002	52,398	15,466,460	.3%	45	92	137	382	1	111	585	84	ap2003
2003	52,764	15,534,092	.3%	40	90	130	405	1	109	578	84	ap2004
2004	53,514	15,596,956	.3%	42	87	129	414	1	105	569	84	ap2005

Note: Any changes in boundaries over time are not indicated in the above table.

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Affiliated Bishops, Living

• Rafael Masahiro Umemura (Priest: 25 Mar 1985; Bishop: 16 Mar 1999 - )

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Affiliated Bishops, Deceased

• Lucas Katsusaburo Arai † (Bishop: 13 Dec 1951 to 30 Oct 1979)
• Jean-Baptiste-Alexis Chambon, M.E.P. † (Archbishop (Personal Title): 9 Nov 1937 to 18 Sep 1940)
• Stephen Fumio Hamao † (Bishop: 30 Oct 1979 to 15 Jun 1998)
• Thomas Asagoro Wakida (Wakita) † (Bishop: 25 Mar 1947 to 5 Jul 1951)