From 1905 vol 72 pg 465 North Adams, registration number 124. Viewed on the newenglandancestors.org website. Mary Ann Wilcox, 47 Est Main Street, North Adams, Date of Death: April 25, 1905 Age 86 Maiden Name: Mary Ann Crosier Husband's name: Jabes F. Wilcox Birthplace: Halifax, Vt. Name of father: James, born England Maiden name of mother: Polly Stone, born England Occupation: none Informant: Mrs. William Turner, 47 West Main St. Place of burial or removal: Jacksonville, Vt. Date of burial: April 27, 1905 Undertaker: J.L. Comisky, North Adams Primary cause of death: tumor in Abdomen for years, Contributory: Exhaustion Signed: F.D. Stafford MD, April 26, 1905, North Adams. Filed Chas. S Brooker.
I'm not familiar with Berkshire, but it looks like Blackington was part of North Adams. Thanks to (Sue R.) for this lookup.