Facts

	Married Elizabeth Leatherbarrow
	Birth of son Bernard Cunningham
	Birth of daughter Marjorie Cunningham
	Birth of son Jack Cunningham
	Birth of son Joseph Cunningham

Notes

Lancashire Marriage indexes for the year: 1908:

CUNNINGHAM John - LEATHERBARROW Elizabeth T, West Derby,  Liverpool REG_WD/254/58

In the 1901 Census at Crosby Hall, Little Crosby:

Mary Wallace	Servant	S.	38	Cook Domestic	Ireland
Cowell, Ellen	Servant	S.	22	Housemaid Domestic	Little Crosby, Lancashire
Lily Rimmer	Servant	S.	15	Kitching Maid Domestic	Little Crosby, Lancashire
Elizabeth Leatherbarrow	Servant	S.	15	Scullary Maid Domestic	Little Crosby, Lancashire
John Cunningham	Servant	S.	18	Groom Domestic	Ireland

I can find neither John nor Elizabeth Cunningham in the 1911 census.
FreeBMD has no records for the birth of any of their children after 1908.

From freeBMD

Marriage: Jun 1908, Cunningham, John, W.Derby 8b 777
Marriage: Jun 1908, Leatherbarrow, Elizabeth Teresa, W.Derby 8b 777