He was born in Pennsylvania (2). He was 37 years old when he was enlisted (2, 3).
He was a labor[er] when he was enlisted (2).
He was 5 feet 10 inches tall, and had a sandy complexion, hazel eyes, and sandy hair (2).
He served twice before enlisting in the 91st Pennsylvania (4).
He was drafted (1). He was enlisted and mustered into service on 16 March 1865 (1, 2, 3, 4 [64], 5). He was enlisted for one year, at Hollidaysburg, Pennsylvania, by Captain Lloyd (2). He was mustered in, at Hollidaysburg, Pennsylvania, as a private in company I (1, 3).
He mustered out with his company on 10 July 1865 (1, 2, 3, 4, 5).
In 1890, he was living in Snyder Township, Blair County, Pennsylvania (post office Hannah, Centre County) (4).
On 12 December 1891, he applied successfully for a pension (5).
He again applied for a pension on 11 [?] March 1907 (5).
He died on 18 December 1917, at Graysville, [Green County or Huntingdon County,] Pennsylvania (5).
1 Bates, Samuel Penniman. History of Pennsylvania volunteers, 1861-5. Harrisburg: B. Singerly, state printer, 1869-71. 5 volumes. 'Ninety-first regiment', volume 3, pages 186-233. (In the roster) (Robert Bayle)
2 company I, descriptive roll, #50 (Robert Boyle [sic])
3 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 28 March 2005 (Robert Bayle; rolls have 'Boyle')
4 1890 US census, veterans' schedule, Pennsylvania, Blair County, Snyder Township, supervisor's district 7, enumeration district 55, page [3] (image 7 of 7 on <www.ancestry.com>) (Robert Boyle)
5 pension index, by regiment, 91st PA Infantry, company I (Robert Boyle)
[I did not find an entry for him in the Ancestry index to the pension index by name (searched March 2006)]