Looks like one of their sons, GEORGE, in 1900:

Name: George Lacey, widower
Home in 1900: Beat 2, Tunica, Mississippi
Age: 26
Estimated birth year: abt 1874
Birthplace: Mississippi
Relationship to head-of-house: Head
Race: Black
Household Members:
Louise Winn 60, aunt, abt 1840 MS, widow
Bolly Clay 24, sister, abt 1876 MS, married (image looks like Sally)
Dave Clay 4, nephew, abt 1896 MS
Laura Clay 3, niece, abt 1897 MS
Josie Clay 1, niece, abt 1899 MS
Source Citation: Year: 1900; Census Place: Beat 2, Tunica, Mississippi; Roll: T623 830; Page: 20A; Enumeration District: 63.

Source Citation: Year: 1900; Census Place: Beat 2, Tunica, Mississippi; Roll: T623 830; Page: 20A; Enumeration District: 63.

This one is real "iffy". Of course, Sarah could have remarried after her much older husband died (???).

Georgia Walker-Adams