There are those short biographies in a series, I suppose really for young people, but I find them interesting and useful. George Grant wrote some of them (he’s one of my favorite biographers!), and Doug Wilson, and Stephen Mansfield… Biographies of Stonewall Jackson, Anne Bradstreet, Winston Churchill, etc.
I read Joseph Pearce’s biographies of Tolkien, Chesterton, and Belloc, and greatly enjoyed them. He is a devout Catholic, so there’s a strong focus on that aspect. GKC’s was my favorite:
There’s also the autobiography of George Muller, which is excellent.
Then there’s Corrie Ten Boom’s The Hiding Place, and James Herriot’s books (for a fun, fictionalized take on autobiography), and for true hilarity + good stuff on marriage & parenting, try: