Standard Mandarin transliteration of 'McCord':
麦 (mài) for 'Mc-',
考 (kǎo) for '-cor-',
德 (dé) for '-d'.
麦 is also the default character for English 'Mc-' surnames generally — Macdonald (
麦当劳/
麦克唐纳), McKinley (
麦金莱), MacArthur (
麦克阿瑟). Without a single dominant bearer, treat as a generic surname rendering.