A young mum who was tragically killed in a head-on car crash with a truck in Sydney’s west has been remembered as a “beautiful soul” who will “forever be missed”.

Aleasha Marie Fenech, 36, was in an SUV which collided with a semi-trailer on Devonshire Rd, Kemps Creek, about 7.15pm on January 28.

She died at the scene.

Know the news with the 7NEWS app: Download today

The truck driver, a 66-year-old man, was uninjured.

Fenech was local to the area and an active member of the community.

Tributes have poured in online for Fenech, with friends saying she had a “contagious smile”.

“Absolutely devastating news,” one friend said.

“Fly high angel.”

“She was a beautiful person, always had a smile for everyone,” another friend said.

“(I’m) absolutely heartbroken.

“Heaven gained a special angel.”

NSW Police are continuing to investigate the circumstances of the crash.

Anyone with information, CCTV, dashcam and/or mobile phone footage is urged to contact Crime Stoppers on 1800 333 000.