I know it's 9 years after the last post, but I have Lundgren ancestors in Rockford too. My grandmother was Elaine Lundgren, born 1916, her brother Richard, born around 1911, and her brother Bruce, born some time after 1916. Their father was Gustaf Herbert Lundgren, b 1884 in Rockford; his father was Ernest Leonard Lundgren, b 1858 in Rockford; his father was Gustaf Lundgren, b 5-7-1829 in Lekeryd, Sweden; his father was Isak Pettersen, b 10-2-1799 in Sweden; and his father was Peter Isacsson, b 1773 in Sweden. Grandma also had a cousin Emma Lundgren, but I don't know her birthdate. Any connections?