Japanese names written with kanji 小倉 are read by Japanese as either 'Ogura' (most surnames, the Hyakunin Isshu poet, etc.) or 'Kokura' (the historical city). When Chinese speakers borrow these names, they pronounce them by Mandarin readings of the same characters - Xiǎocāng. The atomic-bomb history note: Kokura was the original primary target on August 9, 1945, but cloud cover saved it; the bomb was dropped on Nagasaki instead.
memory
Literally 'small storehouse' - 小 (small) + 仓 (granary/storehouse). A frequent toponym all across Japan and a typical surname meaning 'from the little granary'.