Some popular, short funeral poems include, "Do not Stand at My Grave and Weep" by Mary Elizabeth Frye and "Nothing Gold Can Stay" by Robert Frost. Certain biblical excerpts including Psalm 23 and Ecclesiastes 3:1-8 are also popular.
TheFuneralsite.com lists dozens of short poems suitable for a funeral or a sympathy card. Some of the suggestions include simple sentences or poems of only four or five stanzas. Funeralhelper.org also lists a variety of popular poems as well as 100 suggested hymns for funeral services. Funeral Helper also provides guidelines and suggestions for planning and holding a non-religious funeral service. The site also provides sample eulogies and appropriate prayers.