Agness Smith is on her own in the 1891 Ramsey census, widow, cook, b.Lancashire, and has reduced her age to 45.
This is possibly John's burial in the Maughold register: John SMITH, 60 yrs., Ramsey, buried 25 Apr 1886.
Have a look at Brian Lawson's indexes: www.iomfhs.im/lawsons/census/census_index.html to see whether the other children are still in the IOM - getting on for midnight here.
See also his other indexes at www.iomfhs.im under Research.
Sue