ON ONES OWN, phr. (common).On ones own account.
1897. Daily Mail, 25 Sept., 2, 6. I came to Europe ON MY OWN, and I only got about £400 from Mr. Hoffmeyer.
TO OWN UP, verb. (colloquial).To confess; to make a clean breast.
1880. A. TROLLOPE, The Dukes Children, xxxv. The fact is if you OWN UP in a genial sort of way the House will forgive anything.