Brothers-in-law Franklin Oliver Udall and Herbert Ralph Ballou, founders of New York silver manufacturers Udall & Ballou (1888-1949). See Udall & Ballou history at https://www.hancocks-london.com/maker/udall-ballou/ and https://www.wilsonsestatejewelry.com/pages/udall-and-ballou

We have one object that Udall & Ballou, New York has been involved with.

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<ref name=CH>{{cite web |url=https://www-6.collection.cooperhewitt.org/people/2318810021/ |title=Udall & Ballou, New York |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=21 March 2025 |publisher=Smithsonian Institution}}</ref>