Mum-of-two Jo Cox had become a prominent Labour MP since she was elected in May 2015.
Since she was elected to her home town constituency she has made sure she has been at the centre of the community in her Batley and Spen constituency.
The 41-year-old celebrated being elected to Parliament for the first time with her two children.
She held the Batley & Spen seat in May 2015 which had been vacated by Mike Wood, increasing the majority by 2,000.On her Twitter page she describes herself as “mum, proud Yorkshire lass, boat dweller, mountain climber and former aid worker.
Just 24 hours ago she had tweeted out that her husband Brendan and children were taking part in the so-called battle of the Thames where Bob Geldof had a high profile rant against Nigel Farage.
She was born in Batley and educated at Heckmondwike Grammar School and then Cambridge University. Ms Cox was head of policy for Oxfam and an advisor to Sarah Brown and Baroness Kinnock.
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She was national chair of Labour Women’s Network and a senior advisor to the Freedom Fund, an anti-slavery charity. According to the Labour Party: “Jo became the first in her family to graduate from university, finishing her degree at Cambridge University in 1995.
Listen to Jo Cox speak at the general election
Her career involved working all over the world for charities fighting to tackle poverty, suffering and discrimination. She worked with Oxfam, Save the Children and the NSPCC both here in the UK and in some of the world’s poorest and most war-torn regions.
A dedicated campaigner nationally and locally, Jo focused heavily on fighting for public services, particularly against the decision to downgrade Dewsbury and District Hospital.
She was also involved with efforts to strengthen Yorkshire's manufacturing base and in campaigns and initiatives to tackle poverty and the cost of living crisis, such as Batley Food Bank.
Jo was married to Brendan and they have two young children. She enjoyed climbing mountains, boats and running.”
She was a prominent member of the Remain campaign in the looming EU Referendum.