Hi 2shyeyes,
I’m not sure what you already have so I’m going to post what I found.
This looks to be the baptism for Cornelius
England Births and Christenings, 1538-1975
Cornelius Boswell
16 Apr 1834
BRAYTON,YORK,ENGLAND
Father's Name Felix Boswell
Mother's Name Trinity
This would be Cornelius siblings
England, Cheshire Bishop's Transcripts, 1598-1900
Mordecai Boswell
26 Mar 1843
Bunbury, Cheshire, England
Father's Name Felix Boswell
Mother's Name Trinity
Bunbury, Cheshire, England
England Births and Christenings, 1538-1975
Emmanuel Boswell
03 Feb 1830
CLARBOROUGH,NOTTINGHAM,ENGLAND
Father's Name: Felix Boswell
Mother's Name: Trinity
Baptisms for Cornelius and Delorany
England Births and Christenings, 1538-1975
Alfred Boswell
28 Mar 1861
Sacred Trinity Church, Salford, Lancashire, England
Father's Name: Cornelius Boswell
Mother's Name: Deloreine
Old St. George, Staleybridge, Cheshire, England
Isle of Man Births and Baptisms, 1821-1911
Rhoda Anne Boswell 17 Mar 1867
SAINT MATHEWS,DOUGLAS,ISLE OF MAN,ENGLAND
Father's Name: Cornelius Boswell
Mother's Name: Delarana
It looks like Cornelius and Delorany came to the USA in 1869 before Charles was born
New York Passenger List April 28 1869 Wm F Storer
Cornelius Boswell 28 Apr 1869 abt 1839 30 England
Delorany (Transcribed as "Deborah") Boswell 28 Apr 1869 abt 1847 22
Elvera Boswell 28 Apr 1869 abt 1862 7
Susannah Boswell 28 Apr 1869 abt 1863 6
Phoebe Boswell 28 Apr 1869 abt 1865 4
Elizabeth Boswell 28 Apr 1869 abt 1868 10/12
Delorany must have been pregnant when she came over in 1869 with daughter Delorany.
Collection: New Jersey Births and Christenings, 1660-1980
Name: Delorain Boswell
Birth Date: 18 Jun 1869
Birthplace: Hammonton, Atlantic, New Jersey
Father's Name: Cornelius Boswell
Mother's Name: Delorain
I hope this helps. Post if you have any more information that might help with the research.
Regards,
Roger