A statement issued by a Bush spokesman Wednesday says the 89-year-old former president acted earlier this week at his summer home in Kennebunkport, Maine.
That was after he saw members of his Secret Service detail with newly shaved heads to show support for the 2-year-old son of an agent. The child's undergoing treatment for leukemia and is losing his hair as a result.
The Bush spokesman identified the boy only as Patrick.
George and Barbara Bush lost their second child, 4-year-old Robin Bush, to leukemia almost 60 years ago.
The security detail has launched a website, www.patrickspals.org, to help with expenses associated with Patrick's treatment.