False.
Here is the list since Eisenhower:
Ike Eisenhower:
O Negative
confirmed
JFK:
as far as I recall, O positive
LBJ:
no information available
Richard Nixon:
A negative
confirmed
Ford:
A or O negative
Jimmy Carter:
A negative
confirmed
Ronald Reagan:
As far as I recall, O positive
GHWB:
As far as I recall, A positive
Bill Clinton:
As far as I recall, AB negative
George W. Bush:
Rh positive
Obama:
AB negative
confirmed
Donald:
A negative
confirmed
Some sources:
