Peter Jordan was a resident of Mansfield on January 11, 1864 when he enlisted as a Private in Co. E of the 2nd Regiment Connecticut Volunteer Heavy Artillery; he was wounded June 1, 1864, Cold Harbor, Virginia and discharged for disability January 14, 1865.

He was not living in Mansfield in the 1860 U.S. census and he was born about 1835 according to his headstone record. Peter Jordan married Isabella E. Gillespie; she married second Allen Burgess. Nevin P. Jordan was a son of Peter Jordan but it is not certain if he was a son of this marriage.

On January 28, 1865, he applied for an invalid pension, No. 60,206 that was granted under certificate No. 49,907. His widow applied for a pension on September 24, 1888 and a minor pension was filed for Nevin P. Jordan on June 28, 1909.

Peter Jordan died on April 20, 1888 in Auburn, New York according to pension records. He was buried at the Fort Hill Cemetery in Auburn, New York, Section Home, Lot 62.