At least 10 more women were reported wounded in the raid, which hit the women's reception area at a funeral in Arhab district, 40 kilometres (25 miles) north of Sanaa.
Seven Pakistani sailors feared dead in Yemen airstrike
Medics dispatched to the incident identified the site as the residence of Mohammed Al Nakii in the village of Shiraa.
Casualties were transported to hospitals in Sanaa.
Huthi rebels, who control the capital, accused a Saudi-backed coalition of carrying out the strike.
A coalition spokesperson was not immediately available for comment.
A post on the Huthi-run Saba Net news site late Wednesday gave an initial toll of six women killed and 10 wounded.
16 dead in gun attack on Yemen care home
Yemen's war pits the internationally recognised government of President Abedrabbo Mansour Hadi against Iran-backed Huthis allied with forces loyal to former president Ali Abdullah Saleh.
The conflict spiralled in March 2015, when the coalition began targeting the Shiite rebels, who had seized control of Sanaa.
The United Nations says more than 7,400 people, including around 1,400 children, have been killed in violence across Yemen since then.
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