Irwin, Arnold Alexander: Service no. 189566 Digitized Service Record Source: Gathering Our Heroes Find-A-Grave Irwin, Arnold Alexander: Service no. 189566Source: Gathering Our Heroes Source: London Free Press. February 1919. Via Operation Picture Me from the 18th Battalion Facebook Group. Share this:EmailFacebookTwitterRedditLinkedInPrintTumblrPocketPinterestTelegramWhatsAppLike Loading...