1920 census, Cleveland, Cuyahoga, OH, WILLIS household:
head, Charles W., 44, OH OH OH, packer
wife, Eva V., 34, OH OH OH
dau, Virginia R., 17, OH, telephone operator
dau, Geraldine E., 14, OH
son, George W., 12, OH
son, Porter N., 12, OH
son, Gerry G., 6, OH
dau, Rowena G., 5, OH
son, Theron, 2-5/12, OH
Eva WILLIS, b 3 Aug 1885 in Cortland, OH, d 5 Apr 1925 in Cleveland. Her father's name was Henry CONWIN/CORWIN bp Ireland and her mother's maiden name was unknown bp Ireland. Eva was married, spouse Charles W. who was the informant on her death cert. Eva was buried 5 Apr 1925 in Highland Park Cemetery.
Charles Willard WILLIS, b 17 Sep 1874, d 9 Jan 1945 in Griffis/Griffin Convalescent Home, Cleveland. He was a retired interior decorator. The informant was his son, Porter, who did not know Charles' parents' names or birthplaces. Charles was buried 15 Jan 1945 in Brooklyn Heights Cemetery.
I couln't find an obit for Eva, but this is Charles' obit:
Name: Willis, Charles W.
Date: Jan 14 1945
Source: Cleveland Press;Cleveland Necrology File, Reel #086.
> Willis: Charles W., aged 70 years, 814 Lakeview rd., beloved husband of the late Eva V., father of Mrs. Rowena Limon, Porter N. Le Roy, Pfc. John W., U. S. A., passed away suddenly. Friends received at the Spaulding Funeral Home, 2704 Denison ave. Services Monday at 3:30 p. m.