The 1881 census on FamilySearch.org has:

Richard BRIDSON Head M Male 57 Castletown, Isle of Man, England Agl Labr
Ann BRIDSON Wife M Female 57 Castletown, Isle of Man, England Dressmaker
Andrew JOHNSON Step Son U Male 36 Castletown, Isle of Man, England Boot & Shoe Maker Letter Carrier
Elizabeth WILKINSON Daur W Female 31 Castletown, Isle of Man, England Domestic Servant
Mary E. WILKINSON Grand Daur Female 7 England Scholar
John WILKINSON Grand Son Male 4 England
James A. BURNS Grand Son Male 12 Castletown, Isle of Man, England Scholar
Source Information:
Dwelling 18 Queen Street
Census Place Malew, Isle of Man, Isle of Man
Family History Library Film 1342347
Public Records Office Reference RG11
Piece / Folio 5607 / 50
Page Number 3

She and Richard were both 37 in the 1861 census, both b.Castletown.

Those "born about" entries in the IGI are guesses.

Sue