Hello Ann,
here is what I have found on the IGI, Lezayre Parish Register needs to be checked to confirm this,
William Garret married, Margaret Goldsmith 2 November 1713 Lezayre
Children, (more Children just given Robert)

1720 Robert Garret 19 Jan 1720 Lezayre burial, 28 Nov 1725 Infant

Lezayre Parish Register needs to be checked for Fathers name of, Robert Garret Burial 1725,

2 William Garret and Mary families in Lezayre,

William Garret married, Mary Caley 12 January 1713 Lezayre

Mary Garret burial, 31 July 1758

Children, all Baptised in Lezayre
1725 Robert Garret 16 Dec
1726 Ellin Garret 22 Jan

10 year gap, Lezayre Parish Register needs to be checked,

1736 Margret Garret 26 Sep
1737 Thomas Garret 22 Dec
1740 Philip Garret 23 Sep
1743 Cathrine Garret 29 May
1744 William Garret 31 Jan
1749 John Garret 4 March

William Garret married, Mary Kewn 12 Febrary 1725 Lezayre

Mary Garret burial, 29 Aug 1761 (Will details down below)
Children, all Baptised in Lezayre,
1726 Mary Garret 8 Jan

11 year gap, Lezayre Parish Register needs to be checked,

1737 Issable Garret 7 March
1739 Robert Garret 9 Sep
1745 Elizabeth Garret 26 May

There are 2 Children born in 1734 both to, William and Mary

1734 John Garret 23 Feb
1734 Jane Garret 31 March

1761 Will of Mary Garrett als Kewn Widow,
names Children, Mary, William, Elizabeth, Robert,
Son William left all the Husbandry Gears

Lezayre Marriage Register needs to be checked to see which Parish William Garret belonged to,