Allen Walter Slagle
- Born: 10 Apr 1862, Davis City, Decatur County, Iowa
- Marriage: Emma N. Park on 2 Jul 1889 in Macedonia, Pottawattamie County, Iowa
- Died: 13 Mar 1926, Yakima, Yakima County, Washington at age 63
- Buried: Tahoma Cemetery, Yakima, Yakima County, Washington
Noted events in his life were:
• Obituary, 1926, Yakima County, Washington. Allen Walter Slagle, born 10 April 1862, Davis Co., Iowa, son of Thomas Slagle and Nancy L. Burnett. Allen married Emma Park on 2 July 1889, Macedonia, Pottawattamie Co., Iowa. He died on 13 March 1926 at the hospital in Yakima, Yakima Co., Washington from pneumonia caused by influenza.
Allen married Emma N. Park on 2 Jul 1889 in Macedonia, Pottawattamie County, Iowa. (Emma N. Park was born on 16 Feb 1858 in Mendham, Morris County, New Jersey, died on 5 Jun 1931 in Harrah, Yakima County, Washington and was buried in Tahoma Cemetery, Yakima, Yakima County, Washington.)