From my personal files:
James A. Coffee - member of Nebraska Volunteers, 1861-1869. From a list of soldiers who volunteered for military service from the territory between 1861 and 1869. James was a Private in Co. A, Omaha Scouts.
Catherine Coffey - married Serafin Garcia on Sep. 18, 1865 in Otoe Co., NE
James Coffey - married Hettie Darrow in Lancaster Co., NE. May have married in Lincoln, NE, and had at least one child named Jennie (from Don Darrow, San Diego, CA in Oct., 1999)
William Edgar Coffee - born 20 Apr. 1889, died 23 Jan. 1922 at Fort Morgan, CO. Married Minnie I. Porterfield 16 Jan. 1909 in Gage Co., NE. Had children: Ivan Herbert, William Edgar, Norris William and Russell Emerson
John Coffey - married Katherine M. Laughlin 9 Oct. 1889 in Adams Co., NE
William Coffey - born 22 Jun. 1890 in NE, died 27 Apr. 1929 in Crete*, NE, buried at Sacred Heart Catholic Cemetery, Crete, NE. Married Rose Hladky.
Harry Buffington Coffee - Bio (synopsis) from Biographical Directory of the American Congress 1774-1971, US Government Printing Office, 1971: Rep. from NE, born 16 Mar. 1890, 2d Lt. in Air Service in WW1 (1917-1918). Organized Coffee Cattle Co., Inc. in 1915 in Sioux Co., NE. Elected as democrat to 74th and three succeeding Congresses (3 Jan. 1935-3 Jan. 1943). Unsuccessful candidate for US Senate. President of stockyard company and terminal railway company from 1943-1961. Was a resident of Omaha, NE.
Grace Coffey - Married Arthur Gifford Bryan 2 Nov. 1904 in Platte Co., NE
Roy Coffey - Married Lydia C. Houser 20 Aug. 1910 in Platte Co., NE
Raymond Blain Coffey - Married Bessie Lela Hacker 28 May 1917 in Lancaster Co., NE
Albert J. Coffey - Born 28 Nov. 1924 in Saline Co., NE, son of Edward and Magdalena Patz Coffey. Died 23 Mar. 1992, buried 25 Mar. 1992 at Exeter Cemetery, Exeter, Filmore Co., NE
Dorothy Della Coffey - Born 15 Jun. 1926 in NE, daughter of Edward and Catherine Stewart Coffey. Died 6 Oct. 1934 in NE, buried Sacred Heart Catholic Cemetery in Crete*, NE
John E. Coffey - Obituary (synopsis) Omaha World-Herald, 6 Mar. 2000, page 12: James E., age 82, survived by nieces and nephews; services at St. John's Catholic Church; burial at Holy Sepulchre; military rites by Benson CFW Post 2503
*There are at least two towns in Nebraska named Crete; one in Saline Co., and another in Chase Co.