Independent Catholic News reports the diocese was moving priests and other chuch workers from 10 parishes where communities have been targeted in the on-going post election ethnic violence.
Fr Michael Kamau, 42, was killed because the mob reportedly was avenging a death in their community.
Over 800 people have been killed since the clashes erupted a month ago following the disputed re-election of President Mwai Kibaki.
A priest from the diocese said warriors raided a town where displaced people had camped, with the intention to kill, however security personnel had repulsed them.
A witness from inside a Catholic compound said she had seen housing being torch and businesses closed. The witness added 800 people had fled to the safety of the refuge.
Kenya: diocese evacuates workers as violence escalates (Independednt Catholic News 29/01/08)
LINKS (not necessarily endorsed by Church Resources)
Diocese of Nakurur
Missionary priest murdered, Kenya inquest finds (CathNews 02/08/07)
Priest and fellow activists arrested in Kenya (CathNews 11/11/03)