One pet cemetery owner says the trend may be related to people getting used to the idea of cremation, which is generally required.
Another thinks pet owners are less bothered these days by what other people might think.
New Yorker Rhona Levy says she has signed up in advance because
she never had children and her pets were her foremost love.
She said she wants to stay close to them after she dies.
At the Hartsdale Pet Cemetery in the New York suburbs, the number of humans interred each year has more than doubled recently.
Many inscriptions reveal owners' sentiments about their pets.
(Copyright 2011 by The Associated Press. All Rights Reserved.)