Jan, she looks like Elizabeth daur of William Wattleworth & Margaret bapt Maughold Parish Church 1 Jun 1740.
Sibling bapts were:
John son of William Wattleworth/ Margaret Parish Church 14 Mar 1741/42.
Catherine daur of William Wattleworth/ Margaret Parish Church 11 Apr 1744.

Margt infant of Wm WATTLEWORTH was buried in Maughold on Jan 26 1746.
Wm Son of Wm WATTLEWORTH & Margt CURLETT buried Maughold May 20 1753.
Other possible Maughold burials:
Wm WATTLEWORTH buried Jun 9 1795.
Margt WATTLEWORTH buried Apr 9 1803.

There were many early Wattleworth bapts in Maughold, from 1653 onwards, mainly with father John W. Mother's name not given until the mid-1700s.

William Wattleworth & Margaret [possibly Curlett/Corlett] may have married in Ramsey.

There are a number of Maughold fully transcribed wills on Jim Smith's website which mention William Wattleworth and other Ramsey Wattleworths, including the 1728 decree of John W Jnr of Ramsey, with a Wm being one of his 5 children:
www.jurbyjim.com/IOM/Wills_files/RtoZ.htm
and also Wattleworth wills and summaries on Manx Notebook:
isle-of-man.com/manxnotebook/famhist/willsums/md1700.htm

Sue