"My grandmother was nifter last month."
"He was loy-aleykhem nifter three weeks ago." (source)
"May the niftar [deceased] be a melits yosher for us all." (Glinert)
"The family was around him when he was niftar." (Glinert)
"Four generations are present here today to pay respect to the nifteret." (Glinert)