With St. Patrick’s Day just days away, Emancipation Day coming up on April 16, and Cinco de Mayo on May 5, I was thinking about various observances that can add richness to our writing, inspire a story (or stories), and open doors to our own pasts. What begins as research for a book may end up a journey into our ancestral roots—or vice versa. Great-great-grandfather John Unversaw thwarted attack on Union munitions depot during Civil War. In the late 1990s, I wrote a family genealogy after interviewing elderly relatives, reading old wills and documents, and searching a newspaper morgue in an Indiana town. Decades ago, obituaries offered a wealth of information about the deceased, and I learned a lot from them that no one had ever told me. Old newspaper photos and pictures long stored in relatives’ attics added faces to the accounts. The book grew to over 80 pages. As a small child, George Clements, M.D., came to the U.S. from Ireland with his mother, my great-grandmoth...