A young man shot next to his wife on New Year's Eve in Yarraville has died in hospital of his injuries.

Veton Musai, 29, and his wife Lindita, 25, were gunned down at their Salisbury Street home about 10.30am on Tuesday, just two days after celebrating their first wedding anniversary.

Veton and Lindita Musai were shot outside their Yarraville home. Mr Musai has died of his injuries. Credit:Facebook/Veton Musai

Ms Musai died at the scene and her husband was taken to hospital with critical injuries and died on Wednesday afternoon.

Multiple sources have told The Age the suspect, a 55-year-old Altona North man, is Ms Musai's estranged father. He was in a critical but stable condition on Thursday night.