In 1910 Census Lee E. Cooper is listed with his family in Colorado Springs,
Ward 1, El Paso, Colorado.
Parents are
Henry H. Cooper 1841 - Michigan
Elizabeth Cooper about 1850 -Illinois
Siblings of Lee E. Cooper.
Ellen L Cooper about 1878 - Colorado
Margery Cooper about 1886 - Texas
Katherine Cooper about 1889 - Texas
Ruth Cooper about 1892 - Colorado
Henry H. Cooper's parents were listed from Vermont.
Elizabeth Cooper's parents were listed Father Pennsylvania and Mother
Massachusetts.
Source: