Living in California for 36 years, Ahern was a member of the Los Angeles Art Association, the Bel-Air Country Club, the Los Angeles Philharmonic Association and the National Cartoonists Society.
Living in California for 36 years, Ahern resided at 1280 Stone Canyon in Los Angeles during the 1940s. He was a member of the Los Angeles Art Association, the Bel-Air Country Club, the Los Angeles Philharmonic Association and the National Cartoonists Society.