Sackman is a member of [[New North London Synagogue]] where she had led children [[Shabbat]] services, she is both [[Ashkenazi Jews|Ashkenazi]] and [[Sephardic Jews|Sephardi]],<ref>{{Cite web |last=Rose |first=David |title='I'll be a strong Jewish voice in government pledges Labour's candidate for Golders Green |url=https://www.thejc.com/news/uk/ill-be-a-strong-jewish-voice-in-government-pledges-labours-candidate-for-golders-green-pnk5a7sm |access-date=2024-07-05 |website=www.thejc.com |language=en}}</ref>, she has two children and is married to a lawyer. They married in [[Bevis Marks Synagogue]].<ref>{{Cite web |last=Sackman |first=Sarah |title=Sarah Sackman on X_ _I love Bevis Marks Synagogue. |url=https://x.com/sarahsackman/status/1788895650412740907}}</ref> Sarah's father is a north London solicitor of east European descent and 300 years ago her mother’s family moved from Spain, Italy and Morocco to Gibraltar, where they own a 150-year old perfumery.<ref>{{Cite web |last=Rose |first=David |title=Sir Keir's Jewish candidate for Finchley opens up about family life |url=https://www.thejc.com/news/sir-keirs-jewish-candidate-for-finchley-opens-up-about-family-life-bhszti04 |access-date=2024-07-05 |website=www.thejc.com |language=en}}</ref> Sackman served as School governor for four years in a state primary in Camden, and has also volunteered at Toynbee Hall Free Legal Advice Centre.<ref name="auto"></ref>