You have found the right family!
Kazimierz Kulak a/k/a Charles and Mary Ejsmont Kulak. My notes have their daughter Helen Kulak born in 1914 and a twin to Edward, she married Patrick Green.
Charles also had two brothers in New Britain, Boleslaw Kulak is my line, and Wincenty a/k/a William.
Feel free to contact me directly at
mask727@aol.com to chat further.
Darlene that responsed to your posting is also a relative.
Marcia