Hi again, it looks like Edgar needed proof of birth in order to obtain a passport. I hope this also contains information you will find of use. This record was in conjunction with the passport application for Laura Rudesill (stage name Temple) Saylor.
State of Iowa,
Polk County AFFADAVIT
I. Leida Fox, being first duly sworn, on oath say that I am a resident of the City of Des Moines, Polk County, Iowa, and have been for more that 70 years last past; that Edgar Saylor, of Los Angeles, California, is my brother; that he was born at Saylorville, Polk County, Iowa, on the 9th day of February, 1864; that I was present at the time of his birth and make this affidavit from my personal knowledge; that Dr. Bennett, then of Polk city, olk County, Iowa, the attending physician, and Sarah Bales, of Saylorville, Polk Couty, Iowa, who assisted Dr. Bennett at the time of my brother's birth, are now both dead; that there is no record in the office of the Clerk of the District Court for Polk County, Iowa, of my brothers' birth, and upon inquiry at said office this date I was informed that births were not recorded there until the year 1880.
Further affiant sayeth not.
Signature - Leida Fox