According to the documentary I’ve watched about faith-based polygamy in Bountiful BC (most are non-consensual and involve child/teen bride)… no, most of these fathers don’t remember the children’s faces/names/birthdays.

Some of the fathers name their kids alphabetically by birth years. (For example, every kid born in 1998 has name started with A, and 1999 started with B, etc.)

Most of them would marry off their teen daughters to middle age men in the community.