The following 11 families and the Yoshikawa clan of Suo Iwakuni Domain, who had been raised to the peerage since the Meiji era, received the title of Baron: 5 families who owned more than 10,000 koku of crop yields as the attendant chief retainer of three privileged branches - the Ando family of the Kii Tanabe Domain, the Takenokoshi family of the Mino Imao Domain, the Nakayama family of the Hitachi Matsuoka Domain, the Naruse family of the Owari Inuyama Domain and the Mizuno family of the Kii Shingu Domain, and 6 families of kotaiyoriai, a family status of samurai warriors in the Edo period, who owned more than 10,000 koku of rice during the Meiji Restoration - the Ikeda family of the Harima Fukumoto Domain, the Ikoma family of the Dewa Yashima Domain, the Hirano family of the Yamato Tawaramoto Domain, the Hondo family of the Hitachi Shizuku Domain, the Yamazaki family of the Bitchu Nariwa Domain and the Yamana family of the Tajima Muraoka Domain.
その他、御三家付家老として1万石以上を領していた紀伊田辺藩安藤家、美濃今尾藩竹腰家、常陸松岡藩中山家、尾張犬山藩成瀬家、紀伊新宮藩水野家の5家、交代寄合のうち維新時に現米1万石以上であった播磨福本池田家、出羽矢島生駒家、大和田原本平野家、常陸志筑本堂家、備中成羽山崎家、但馬村岡山名家の6家、長州藩の支藩とされてきた周防岩国藩吉川氏の計11家も、「江戸時代以前は藩とは見なされなかったが明治以後に華族になった」と見なして男爵を与えられた。