In 1934 Taylor married Clive Slow and as a consequence had to leave her position at the Radio Research Station under the Civil Service rules which were in force at that time. Mary and Clive Slow had two daughters.
Sa 1934 Taylor kasal Clive Mabagal at bilang resulta ay umalis sa kanyang posisyon at ang Radio Research Station sa ilalim ng Civil Service patakaran na kung saan ay sa puwersa sa oras na iyon. Maria at Clive Slow nagkaroon ng dalawang anak.