Born in Dublin.
Enlisted at Brighton on the 11th of December 1854.
Height: 5' 6".
Joined the regiment in the Crimea on the 1st of August 1855.
Sent to Scutari on the 25th of October 1855.
Tried by a District Court-martial at Ballincollig on the 9th of June 1856 for "Un-natural Conduct." Sentenced to 168 days imprisonment and to be "discharged with ignominy."
A letter was sent to General Lord Seaton, commanding the troops in Ireland, from the Horse Guards on the 16th of June 1856:
My Lord, - In reply to your letter of the 14th inst., I am directed to inform you there appears to be no cause to prevent Private Thomas Boylen of the 13th Lt. Dragoons from re-enlisting. The Field Marshal Commanding-in-Chief is unwilling to sanction his discharge."
Discharged from Kilmainham on the 15th of December 1856, upon the "Reduction of the Army, and not likely to become efficient."
Served 2 years 4 days.
Conduct and character: "Bad". Not in possession of any Good Conduct badges.
Entitled to the Crimean medal with clasp for Sebastopol and the Turkish medal.
Not recorded by Lummis and Wynn.