It appears John Shaunessy married a Madeline Atkinson(Scott?) 2 Apr. 1923 Keighley, England, and they immigrated in 1923. They arrived in Boston, Massachusetts on 1 Nov. 1923 on the ship "Samaria".
The contact person from wince they came was John's mother-in-law Mrs. J Atkinson, 11 Lund Lane, Keighley. Their destination was New York to John's sister Mrs. M Kelly 108 E. 90th St., New York City.
Lines 16 & 17 - Images 507/508
Passenger ship list:
https://www.familysearch.org/ark:/61903/1:1:23XL-2S6================
John was naturalized in 1930. On Madeline's petition for Naturalization in 1934 gives all the exact details about when & where she was born, her husband, when they immigrated and the ship, as well the names of all their children with their DOB and place of births.
Naturalization Records:
https://www.familysearch.org/ark:/61903/1:1:QRW2-YGW2 https://www.familysearch.org/ark:/61903/1:1:QRW2-YGMM================
It appears Madeline's mother Jane was living with them in 1930. She immigrated in 1929. She is listed as Jane Atkinson-Scott.
1930 census:
https://www.familysearch.org/ark:/61903/1:1:X7DS-6HW1940 census:
https://www.familysearch.org/ark:/61903/1:1:K3TJ-X5S==========================
Here is the passenger ship record Jane T Atkinson-Scott in 1929. For nearest relative for county from wince you came. She lists her husband John Scott Atkinson, 11 North Becks Rd, Keighley, England. She is going to her daughter Madeline OShaunessy in New York, NY
Images 378/379
https://www.familysearch.org/ark:/61903/1:1:24F9-9J8