Hello Anthony.
Besides Margaret, John and Cornelius, John Carroll and Alice Kelch had the following children:
Name: Mary Jane Carroll
Gender: Female
Birth Date: 03 Mar 1866
Birthplace: 0851,TALLAGHT,DUBLIN,IRELAND
Father's Name: John Carroll
Mother's Name: Alice Kelch
Indexing Project (Batch) Number: C70128-2
System Origin: Ireland-ODM
GS Film number: 101121
Citing this Record:
"Ireland Births and Baptisms, 1620-1881," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F51V-9TG : 10 February 2018), John Carroll in entry for Mary Jane Carroll, 03 Mar 1866; citing 0851,TALLAGHT,DUBLIN,IRELAND, index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 101,121.
Name: Bridget Carroll
Gender: Female
Birth Date: 26 Jan 1868
Birthplace: Dublin, Ireland
Father's Name: John Carroll
Mother's Name: Alice Kelch
Indexing Project (Batch) Number: C01408-4
System Origin: Ireland-ODM
GS Film number: 101161
Citing this Record:
"Ireland Births and Baptisms, 1620-1881," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F5BR-RYD : 10 February 2018), John Carroll in entry for Bridget Carroll, 26 Jan 1868; citing Dublin, Ireland, index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 101,161.
Name: Christopher Carroll
Gender: Male
Birth Date: 01 Jan 1870
Birthplace: Dublin, Ireland
Father's Name: John Carroll
Mother's Name: Alice Kelch
Indexing Project (Batch) Number: C01219-0
System Origin: Ireland-EASy
GS Film number: 101201
Reference ID: v 2-2 p 965
Citing this Record:
"Ireland Births and Baptisms, 1620-1881," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FPJ4-FQC : 10 February 2018), John Carroll in entry for Christopher Carroll, 01 Jan 1870; citing Dublin, Ireland, index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 101,201.
Name: Catherine Carroll
Event Type: Birth
Event Date: 22 Feb 1871
Event Place: South Dublin, Ireland
Event Place: South Dublin Union
Gender: Female
Father's Name: John Carroll
Mother's Name: Alice Kelch Carroll
GS Film Number: 000255812
Digital Folder Number: 007720123
Image Number: 00281
Citing this Record:
"Ireland Civil Registration, 1845-1913," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QGY4-TK8C : 12 April 2018), John Carroll in entry for Catherine Carroll, 22 Feb 1871; Birth; South Dublin, Ireland; citing General Register Office, Southern Ireland; FHL microfilm 255,812.
Name: Alice Carroll
Event Type: Birth
Event Date: 05 Sep 1873
Event Place: Templeogue, County Dublin, Ireland
Event Place: Templeogue, South Dublin Union, Ireland
Gender: Female
Father's Name: John Carroll
Mother's Name: Alice Kelch Carroll
GS Film Number: 000255884
Digital Folder Number: 007719987
Image Number: 00559
Citing this Record:
"Ireland Civil Registration, 1845-1913," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QGVQ-8V5G : 17 March 2018), John Carroll in entry for Alice Carroll, 05 Sep 1873; Birth; Templeogue, County Dublin, Ireland; citing General Register Office, Southern Ireland; FHL microfilm 255,884.
I hope this helps in your search.