Married to Sarah Ann "Sally" Malott on January 30, 1845 in Clay County, Missouri.

Milton and Sally were the parents of John Hardin Riley(1847-1879), James Thomas Riley(1849-1924), Mary Jane Riley Moody Samples(1852-1892), George W Riley(1856-1937) and William M Riley(1860-unk).
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Missouri Marriage Records, 1805-2002
Name: Milton D Riley
Marriage Date: 30 Jan 1845
Marriage county: Clay
Spouse Name: Sally Ann Malot

1850 United States Federal Census
Name: Milton Riley
Age: 29
Birth Year: abt 1821
Birthplace: Tennessee
Home in 1850: Liberty, Clay, Missouri
Gender: Male
Family Number: 289
Household Members: Name Age
Milton Riley 29
Sally A Riley 28
John H Riley 3
James T Riley 2

1860 United States Federal Census
Name: M D Riley
Age in 1860: 40
Birth Year: abt 1820
Birthplace: Illinois
Home in 1860: Pettis, Platte, Missouri
Gender: Male
Post Office: Parkville
Household Members: Name Age
M D Riley 40
Sarah Riley 38
John Riley 13
James Riley 11
Mary Riley 8
George W Riley 3

U.S. Civil War Soldiers, 1861-1865
Name: Milton D Riley
Side: Union
Regiment State/Origin: Kansas
Regiment Name: 16 Kansas Cavalry
Regiment Name Expanded: 16th Regiment, Kansas Cavalry
Company: F
Rank In: Private
Rank In Expanded: Private
Rank Out: Co. Com. Sergt.
Film Number: M542 roll 8

1870 United States Federal Census
Name: Milton D Riley
Age in 1870: 50
Birth Year: abt 1820
Birthplace: Illinois
Home in 1870: Quindave, Wyandotte, Kansas
Race: White
Gender: Male
Post Office: Wyandotte
Household Members: Name Age
Milton D Riley 50
Sallie A Riley 48
John H Riley 22
James T Riley 21
Mary J Riley 18
George W Riley 13
William M Riley 10

Selected U.S. Federal Census Non-Population Schedules, 1850-1880
Name: Mitton D Riley
Location: Quindaro, Wyandotte, Kansas
Enumeration Date: 2 Jul 1870
Schedule Type: Agriculture

Kansas State Census Collection, 1855-1925
Name: M D Riley
Census Date: 1 Mar 1875
Residence County: Wyandotte
Residence State: Kansas
Locality: Quindaro
Birth Location: Illinois
Family Number: 29
Gender: Male
Estimated Birth Year: abt 1820
Race: White
Line: 8
Roll: ks1875_20
Household Member(s): Name Age
M D Riley 55
Lolly Ann Riley 53
George W Riley 18
William Riley 14

1880 United States Federal Census
Name: Wilton D Riley
Age: 60
Birth Year: abt 1820
Birthplace: Illinois
Home in 1880: Quindaro, Wyandotte, Kansas
Race: White
Gender: Male
Relation to Head of House: Self (Head)
Marital Status: Married
Spouse's Name: Sallie A Riley
Father's Birthplace: Georgia
Mother's Birthplace: Virginia
Occupation: Farmer
Household Members: Name Age
Wilton D Riley 60
Sallie A Riley 58
John H Riley 33
George W Riley 23
William M Riley 19

Selected U.S. Federal Census Non-Population Schedules, 1850-1880
Name: Milton D Riley
Location: Quindaro, Wyandotte, Kansas
Enumeration Date: 18 Jun 1880
Schedule Type: Agriculture

U.S., Indexed County Land Ownership Maps, 1860-1918
Owner's Name: M D Riley
State: Kansas
County: Wyandotte
Town: Connor; Bethel; Pomeroy
Year: 1887

Civil War Pension Index: General Index to Pension Files, 1861-1934
Name: Milton D
State Filed: Kansas
Widow: Sarah A Riley
Roll Number: T288_395