Hi, Betty -

Elizabeth seems to have been born in England:

In the 1871 Census:
Source information: RG10/3776
Registration district: Liverpool
Sub-registration district: St Thomas
ED, institution, or vessel: 5
Folio: 130
Page: 51

Evan Corkill, Head, 45, Mariner, Isle of Man
Elizabeth, Wife, 40, Whitehaven, Cumberland
Esther, Dau, 5, Liverpool
Julie, Dau, 7, Liverpool
Mary E, Dau, 10, Liverpool
John W, Son, 2, Liverpool
Robert, Son, 2 mo, Liverpool
=====================
England and Wales, Civil Registration Index: 1837-1983

Name: CORKILL, Elizabeth
Record Type: Deaths
Age at death: 41
Quarter: December
Year: 1873
District: West Derby
County: Lancashire
Volume: 8b
Page: 191
=====================
(I include this because birth year matches)
England and Wales, Civil Registration Index: 1837-1983

Name: Corkhill, Evan
Record Type: Deaths
Age at death: 73
Quarter: September
Year: 1899
District: Toxteth Park
County: Lancashire
Volume: 8b
Page: 212
========================
(This is the only marriage close to the right time, unfortunately no other names appear on page.)

England and Wales, Civil Registration Index: 1837-1983

Name: Corkill, Evan
Record Type: Marriages
Quarter: December
Year: 1852
District: Liverpool (1837-1924)
County: Lancashire
Volume: 8b
Page: 235
======================

Hope something here is helpful,
Barbara