Date of death on gravestone is not correct. It should be January 18, 1958 according to Oklahoma Death Record and his obituary.
Oklahoma Death Record Index: Fred "Prykryl" died 1/18/1958 in Oklahoma County, OK
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The Oklahoman, Oklahoma City, Sunday, January 19, 1958: pg 12
Fred Prikryl, 88 year old native of Czechoslavakia, died Saturday in a city nursing home. He lived at 1715 NW 34. Services will be 2 pm Monday in the First Methodist Church of Prague with burial in Z.C.B.J. cemetery there under the direction of Parks Brothers Funeral Home. The body will lie in state all day Sunday at the Street & Draper Funeral Home here.

Born in Moravia, now a part of Czechoslavakia, Prikryl came to the United States with his parents as a boy. The family settled in Texas and moved to Prague in 1901 and farmed near there for several years. He had lived in Oklahoma City since 1923. Survivors include four sons, Henry and Ed, both of 4335 Classen Dr; Lee of 1438 NW 46; and Fred Prikryl Jr of Seattle, Washington; four daughters, Rose and Angeline, and Mrs Roy R. Russell, all of 1434 NW 46; and Mrs J. M. Lemen, 1123 Lombardy Rd.
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1910 Dent, Pottowatomie County, OK:
(Dent, OK is now a ghost town)
Fred Prikryl 41 Head
Annie Prikryl 39 Wife
Belle Prikryl 18 Daughter
Henry Prikryl 16 Son
Rosile Prikryl 14 Daughter
Angila Prikry l13 Daughter
Annie Prikryl 10 Daughter
Adolph (Edward) Prikryl 6 Son
Fred Prikryl 6 Son
Lacta (Lee) Prikryl 4 Son
Mary Prikryl 1 Daughter

1930 census, Oklahoma City, OK:
Fred Prykryl 60 Bohemia Head
Anna Prykryl 59 Bohemia Wife
Rose Kaplen 34 TX Daughter
Angeline Prykryl 32 TX Daughter
Fred Prykryl 25 OK Son
Lee Prykryl 23 OK Son
Mary Prykryl 21 OK Daughter
Roy R Russell 36 MO Son-In-Law
Anna Russell 28 TX Daughter
Jery Adams 20 OK Lodger
Hynik B Prykryl 95 Bohemia Father
Jennie Russell 60 Ill, Lodger