I heard that back then maybe more so in the 50s, and 60s, gay men were often married or engaged to make every thing seem more real and others not suspect anything ,any one else have any info on this ? .

It still happens today, though probably not as much. A woman married to a gay man is called a beard.

Fun fact. If you are reading something from back then and it refers to an uncle who is a confirmed bachelor or to a spinster aunt most likely they were gay.