Edinburgh-born Weir was diagnosed with motor neurone disease in December 2016.
The former Scotland international, who won 61 caps, used his profile to push for better research to be carried out into MND and appealed for improved care to be given to those afflicted by it.
Here, we take a pictorial look back over his life, his career and his fund-raising work for research into motor neurone disease.

. Collage Maker-28-Nov-2022-12.56-PM.jpg
Doddie Weir, who has died aged 52, was an inspirational force of nature. Photo: PA

. Club legend
Doddie Weir helped Newcastle Falcons ascend into the top flight and was an instrumental part of the squad which lifted the 1997-98 Premiership title – still the only team to achieve this remarkable feat the first season after promotion. Photo: PA

. National hero
Doddie Weir won 61 caps in a distinguished career for Scotland. Photo: Third Party

. Fundraising event
Doddie Weir with Jill Douglas at the MNDF Scotland Golf Day in July 2022. The annual event raised more than £20,000 for motor neuron disease (MND). Photo: My Name'5 Doddie Foundation Photo: My Name'5 Doddie Foundation

. MNDF Scotland Golf Day
Doddie Weir with players and friends at the MNDF Scotland Golf Day in July 2022. The annual event raised more than £20,000 for motor neuron disease (MND). Photo: My Name'5 Doddie Foundation Photo: My Name'5 Doddie Foundation

1. Collage Maker-28-Nov-2022-12.56-PM.jpg
Doddie Weir, who has died aged 52, was an inspirational force of nature. Photo: PA

2. Club legend
Doddie Weir helped Newcastle Falcons ascend into the top flight and was an instrumental part of the squad which lifted the 1997-98 Premiership title – still the only team to achieve this remarkable feat the first season after promotion. Photo: PA

3. National hero
Doddie Weir won 61 caps in a distinguished career for Scotland. Photo: Third Party

4. Fundraising event
Doddie Weir with Jill Douglas at the MNDF Scotland Golf Day in July 2022. The annual event raised more than £20,000 for motor neuron disease (MND). Photo: My Name'5 Doddie Foundation Photo: My Name'5 Doddie Foundation