Rosie Casto is the daughter of George Washington Casto and Margaret Frances Johnson.

Rosie is one of 7 known children of George and Margaret. Her 6 known siblings are:
• Cora Belle Casto Lathey (1879-1956)
• Miranda Nicholas Casto (1883-1971)
• Susan Elphia Casto Coakley Lattimer Thomas (1886-1970 )
• Robert Edward Casto (1891-1958)
• Elsie Myrtle Casto Stewart (1893-1957)
• Lestie Gertrude "Gertie " Casto Bowling (1896-1985)

In addition, Rosie is known to have 2 half siblings from her fathers first marriage. They are:
-Margaret May Edmonds (1873-1956)
-"Champ" Casto (1875- ? )

Rosie was married to:
• Kelley F Kay - 1901
• Frank Wolfe - 1926
• Albert Burkhart - 1939

Marriage License, Jackson County Court, West Virginia, 1900, page 451
-Groom: Kelley F Kay
-Age: 22
-Birth Place: Jackson County, WVa
-Residence: Jackson County, WVa

-Bride: Rosa Ellen Casto
-Age: 19
-Birth Place: Jackson County, WVa
-Residence: Jackson County, WVa
-Marriage Date: 20 Jan 1901
-Marriage Place: Jackson County, West Virginia
-Informants: K.F. Kay & Wash Casto
-Performed By: T.H. Rymer, Minister U.B. Church

Ohio Marriages, 1800-1958
-Groom: Frank Wolfe
-Age:
-Birth Place: Hocking Co., O.
-Father: David Wolfe
-Mother: Mary Mowery
-Marital Status: Unknown

-Bride: Rosie Kay
-Age: 43
-Birth Place: Mason Co., W. Va.
-Father: G. N. Casto
-Mother: Margaret Johnson
-Marital Status: Widowed
-Previous Husband's Name: Kelly Kay
-Marriage Date: 20 Feb 1926
-Marriage Place: Franklin County, Ohio

Perry County, Ohio Marriage Records, 1937-1941, Vol. 19, Number 6169, page 195
-Groom: Albert Burkhart
-Age: 43
-Birth Place: Pittsburg, Ky
-Previously Married: No
-Father: Fred Burkhart
-Mother: Mary Haggi

-Bride: Rosella Casto Kay
-Age: 55
-Birth Place: Cottageville, WV
-Previously Married: Once, widow
-Father: George Washington Casto
-Mother: Margaret Johnston
-Marriage Date: 21 Apr 1939
-Marriage Place: Perry County, Ohio

OHIO Death Certificate: 5760, Volume 22369
-Name: Rosie Burkhart
-Gender: Female
-Death Date: 29 Jan 1976
-Age at Death: 94
-Birth Date: 1882
-Marital Status: Widowed
-Residence: Logan, Hocking, Ohio
-Hospital of Death: Long-Term Care Facilities
-Death Place: Mansfield, Richland County, Ohio