Frederick William Delger (1822 - 1898) was a German-born businessman in Oakland, California.

He served three years as a bookmaker’s apprentice before immigrating to New York City in 1847.

Once he had become wealthy as a shoe merchant, he expanded his interests into real estate.

[3] Delger’s daughter, Annie, married William Moller, a builder’s supply merchant.

Their daughter was Lillian Moller Gilbreth, a central figure in Cheaper by the Dozen.