Outside the Box: Taxes in retirement: What happens after your husband or wife dies No Comments Uncategorized Your marginal tax rate will probably go up when filing as a single person. Your marginal tax rate will probably go up when filing as a single person. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)