Detailed information regarding Eglin's personal life is scarce. Due to historical records often overlooking the lives of ordinary African Americans, particularly women, specific information about her family, relationships, and social circles is not widely available.

It is likely that Eglin was closely connected to the African American community in Washington D.C.. Community bonds were especially important during this time, providing support and resources in the face of discrimination. It is likely that she had strong relationships with friends, neighbors, and fellow church members.