Gertrude Hearne living With Jennie Hearn Culver, the year after her father died.

Census 1900 Delaware Sussex Little Creek Hundred
family 691
John W Culver, head, W, M, Aug 1869, 30, 2 yrs md, Maryland, Delaware, Delaware
Jennie Culver, wife, W, F, Feb 1870, 30 , 2 yrs md, Delaware, Delaware, Delaware
Samuel H Culver, son, W, M, Dec 1899, 5/12, sgl, Maryland, Maryland, Delaware,
Gertrude Hearn, sis in law, W, F, Nov 1877, 22 sgl, Delaware, Delaware, Delaware

Jennie dies in 1902, Gertrude gets married, but I can't find her. John remarries a Susie.

Census 1910 Delaware Sussex Rep Dist 5 Dist 2 Delmar page 238
family 123
J Wm Culver, head, M, W, 40, M2, 3 yrs, Maryland, Delaware, Delaware
Susie Culver, wife, F, W, 36, M1, 3 yrs, Delaware, Delaware, Delaware
Samuel Culver, son, M, W 11, sgl, Maryland, Maryland, Delaware