Find out more about Pompey’s new on-loan striker from Sheffield Wednesday.
Born in Red Deer, Alberta, Canada, Caolan (pronounced Kay-lun) Lavery represented Canada under-17 but then switched and has represented Northern Ireland at both under-19 and under-21 level.
He turns 23 years old on October 22.
He has previously been on trial at Pompey, Spurs and Charlton but came through the Ipswich Academy.
He joined Sheffield Wednesday in 2012 but made his Football League debut on loan at Southend in February 2013 against Oxford United.
He scored his first senior goal during another loan spell at Plymouth on his first start against Bury.
He scored his first two senior goals for Sheffield Wednesday in a 6-0 win over Leeds United in January 2014.
Lavery linked up with Paul Cook at Chesterfield last season to replace Eoin Doyle, who had moved to Cardiff City.
He then scored three goals in six games but after extending his loan spell, was then recalled by Wednesday to cover injuries.
He has been selected for the Northern Ireland senior squad but has yet to make his senior debut.
This summer, Lavery played and scored for Sheffield Wednesday against Pompey’s former Uefa Cup opponents Braga in a pre-season friendly.
He has agreed a three-month loan at Fratton Park.