In 1903, Beale was appointed one of twelve members of a Royal Commission into the decline of the birth rate in New South Wales. He later conducted, at his own expense, a Royal Commission of Inquiry into Secret Drugs, 1905-1910. The two-volume report records the criminal unscrupulousness of manufacturers and advertisers.
Beale married Elizabeth (Lilly) Baily (1856 – 1901) at the Congregational Church, Woollahra, New South Wales, and they had thirteen children. After Lily's death he married her sister Katherine on 4 March 1903. The children from the first marriage were: