I'm your brother-in-law, Margaret. It looks like Patrick, your paternal grandfather, arrived on October 29, 1922 on the Cameronia from Londonderry with his sister Bridget. Your grandmother appears to be a "Rose A., perhaps Rose Anne, like my ex, who arrived in 1927 and married Patrick in 1930. Her name may have been Clarke, Curran, or Shelton.
I'd love to hear from you again -- Jim.