Based on the 1930 census, it seems the marriage to Carl was Lilah's first but Carl's second.
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The University of Nebraska, Lincoln's Hixson-Lied College of Fine and Performing Arts has benefited from the "Dr. Carl E. and Lilah Kincaid Hartman Memorial Scholarship Fund, established by Lester Fitch, Joan Maddox, Warren J. Taff, Ruth Libonati, Sylvia DeRoos, Eunice Preszler, Jesse W. Long and Virginia Kirschner as representatives of the Estates of Carl E. and Lilah Ruth Kincaid Hartman"
[S25] Social Security Death Index.
Name: Lilah Hartman
SSN: 524-48-7303
Last Residence: 80220 Denver, Denver, Colorado, United States of America
Born: 23 Jun 1889
Died: Apr 1983
State (Year) SSN issued: Colorado (1955)
[S2] 1900 Census.
Name: Lile Kincaid
Home in 1900: South Omaha Ward 1, Douglas, Nebraska
Age: 10
Birth Date: Jun 1889
Birthplace: Kansas
Race: White
Gender: Female
Relationship to Head of House: Daughter
Father's Name: Warren
Father's Birthplace: Iowa
Mother's Name: Mary
Mother's Birthplace: Missouri
Marital Status: Single
Residence : South Omaha City, Douglas, Nebraska
[S2] 1900 Census.
Name: Warren Kincaid
Home in 1900: South Omaha Ward 1, Douglas, Nebraska
Age: 38
Birth Date: Jun 1861
Birthplace: Iowa
Race: White
Gender: Male
Relationship to Head of House: Head
Father's Birthplace: Iowa
Mother's Birthplace: Iowa
Spouse's name: Mary
Marriage Year: 1889
Marital Status: Married
Years Married: 11
Residence : South Omaha City, Douglas, Nebraska