Robert Callin was christened the 20th of July 1817 Patrick son of Robert Callin and Jane Kelly didn't spot marriage for Robert/Jane
The other children are in the online IGI--be sure to use parish extractions rather than patron submissions.
I'm sorry for being cryptic. Do you know about the online IGI?(International Genealogical Index)
it is at www at sign familysearch.org.

Extractions are directly from the IOM parish record.
If you look at bottom of the page you'll see--example
Extracted birth or christening record for the locality listed in the record. The source records are usually arranged chronologically by the birth or christening date.

Source Information:

Batch No.: Dates: Source Call No.: Type: Printout Call No.: Type:

C038241 1714 - 1849 0106738 Film 6909415 Film

C038241 1849 - 1883 0106176 Film NONE

Sheet: 00
"

Patron submissions are by members of the Mormon Church and vary incredibly from being accurate to completely off.
You'll see--example
Record submitted by a member of the LDS Church. The record often shows the name of the individual and his or her relationship to a descendant, shown as the heir, family representative, or relative. The original records are not indexed, and you may have to look at the film frame-by-frame to find the information you want. A family group record for this couple may be in the Family Group Record Collection; Archive Section. (See the Family History Library Catalog for the film number.) These records are alphabetical by name of the father or husband.

Gig Harbor, WA is in western Washington near Tacoma, hour or so sw of Seattle.

Spokane is in E WA and Couer d'Alene is in W ID.
When I put WA on this board a long time ago, many thought I was from Western Australia
DJD