Title: William Michael McKinley
Content:  He married Katherine Elizabeth Riley.
Title: William McKinley
Content:  the Democrats nominated William A. Lynch, a prominent local lawyer, and McKinley was defeated by 143 votes. As McKinley's professional career progressed, so too did his social life blossom: he wooed Ida Saxton, the daughter of a prominent Canton family. They were married on January 25, 1871, in the newly built First Presbyterian Church of Canton. Ida soon joined her husband's Methodist church. Their first child, Katherine, was born on Christmas Day 1871. A second daughter, Ida, followed in 1873 but died the same year. McKinley's wife descended into a deep depression at her baby's death and her health, never robust, declined. Two years 
Title: William McKinley Sr.
Content:  Niles, Poland, and finally Canton. He married Nancy Allison Campbell on January 6, 1829. His parents, James S. and Mary Rose McKinley, both died in South Bend, Indiana, on August 20, 1847. McKinley Sr. was a Whig and later a Republican party member, and an "ardent advocate" for a protective tariff. McKinley kept a Bible, the works of Dante Alighieri, and Shakespeare with him consistently and used what little time of leisure was allocated from his work to read. He died in Canton, Ohio, on November 24, 1892. He was the father of the 25th president of the United States, William McKinley (born in 1843, when the family lived in Niles), along with 8 other children: 
Title: James Fuller McKinley
Content:  In 1912, McKinley married Margaret Disoway (1890-1979). They were the parents of three children—Margaret (1913-1989), William (1916-1957), and James (1918-2001). Margaret McKinley was the wife of Army general John Cogswell Oakes. William and James McKinley were both career Army officers who attained the rank of colonel.
Title: David McKinley
Content:  McKinley is a seventh-generation resident of Wheeling, West Virginia. He has four children and six grandchildren. His wife, Mary, has been a critical care nurse for 39 years. She holds a master's degree in nursing.
Title: William Edward Macklin
Content:  He married American woman Dorothy Delang in January 1889.
Title: Susan McKinney Steward
Content:  In 1871 she was married to Reverend William G. McKinney from South Carolina. Before her marriage, she was still struggling to find work and be in good economic standing. However, her marriage to William McKinney was able to partially eliminate some of the economic strain as she grew her career. They had two children, Anna and William Sylvanus. Due to a cerebral hemorrhage in 1890, William McKinney was unable to keep up with his previous work responsibilities. Susan then had to be the primary supporter of their family in addition to six of Susan's extended family. William Mckinney died two years after his cerebral hemorrhage in 1892. Four years after her previous husband's death, 
Title: William L. McKnight
Content:  McKnight married in 1915 and had one daughter, Virginia McKnight Binger, who married James H. Binger.
Title: William McKinley Sr.
Content: David Allison McKinley (1829&ndash;1892) ; Anna McKinley (1832&ndash;1890) ; James Rose McKinley (1833&ndash;1889) ; Mary McKinley (1835&ndash;1868) ; Helen Minerva McKinley (1834&ndash;1924) ; Sarah Elizabeth McKinley (1840&ndash;1931) ; Abigail Celia McKinley (1845&ndash;1846) ; Abner Osborn McKinley (1847&ndash;1904) William McKinley Sr. (November 15, 1807 &ndash; November 24, 1892) was an American manufacturer. He was a pioneer of the iron industry in eastern Ohio as well as the father of President William McKinley. He was born to James S. McKinley and Mary Rose in Pine Township, Mercer County, Pennsylvania, on November 15, 1807. The second of thirteen children, he moved to Lisbon, Ohio, in 1809. Working in the iron business, as had his father, he operated foundries in New 
Title: James Wilfred McKinley
Content:  McKinley was born on April 24, 1857, in New Castle, Pennsylvania, to Samuel McKinley and Harriet Newell Simpson McKinley. He was educated in a New Castle public school, and he attended the University of Pennsylvania (1876–77) and the University of Michigan (1877–79), where he was graduated with a Bachelor of Science degree. He came to California in 1883. He was married to Lillian Elder on October 7, 1886, and they had a son, James W. McKinley Jr. The older McKinley was a member of the Jonathan Club, the University Club, the Masons and the Knights Templar. He was also a member of the Sunset Club and the Union League clubs of Los Angeles and of San Francisco. McKinley died of a paralytic stroke in his home, 508 West Adams Street, on May 11, 1918. A funeral service at St. John's Church drew hundreds of attendees. Interment was at Inglewood Cemetery.

Question: who was william mckinley married to?
Answer: Ida Saxton McKinley.