A collection of family papers from George Hornell and Ursula Jane (Boyd) Thacher and their three children, Margaret Euphemia, John Boyd and George Hornell. The bulk of the collection is correspondence to and from various family members between the 1830’s to the 1880’s. The collection has a limited amount of the children’s schoolwork and grades; financial papers concerning day-to-day living and educational expenses including numerous bill heads of Albany business from that period; and a limited amount of unidentified photographs. Lastly, the collection includes financial materials from the Albany Army Relief Bazaar in 1864. A list of who donated money and other items is included.

George William Featherstonhaugh (1780-1866) was a British-American geologist and geographer. Featherstonhaugh served as the first geologist to the U.S. government and was one of the proposers of the Albany and Schenectady Railroad. This collection includes correspondence and other family-related documents.

Scott Dumont Goodwin (1845-1935) was the legal representative and attorney for a number of influential Albanians and others whose affairs and estates are represented in this collection. Also included is the correspondence and diaries of Lieutenant George Wait Goodwin U.S. Air Force, who was killed in France in 1918, and Edward S. Goodwin, Albany physician, Helen Goodwin Yale, and Louise Goodwin, who were all children of Scott Dumont Goodwin. This collection includes correspondence, diaries, accounts, and legal papers.

Arthur Julius Hacker (1916–1999) and Marilynn Agnes Pyne (1918-2002) married in 1947. They had two children, both born in Albany: Craig Arthur Hacker (1951- ) and Arlynn Jean Hacker (1948- ).

Harry Douglas Yates (1903-1996) was a banker, politician, and developed the Dutch Village apartment complex in Menands, New York. This collection contains diaries, correspondence, deeds, scrapbooks, and other related papers.

Heath Babcock (1901-1992) worked at the New York State Library for 38 years as a medical librarian. This collection contains personal papers, photographs, and a scrapbook.

D-Cady Herrick was a prominent Albany lawyer, jurist, and democratic politician whose influence and recognition extended to the national level during the late 19th and early 20th century. This collection contains correspondence, clippings, obituaries, scrapbooks, ledger books, and other business records.

Liesel Hiemenz was born around 1913 in Germany. She had some memories of living through World War I, and many from World War II, and much of the collection consists of her stories.

The Hun family were descendants of 17th century Dutch settlers who became prominent and acquired property in and around the Albany area. This collection includes family papers.

Hybertie Lansing Pruyn Hamlin (1873-1964) was born in Albany, New York, to John Van Schaick Lansing Pruyn (1811-1877) and Anna Fenn Parker Pruyn (1840-1909). Her father was a U.S. Congressman, representing New York’s 14th District. One of her sisters was Harriet Langdon Pruyn Rice (1868-1939). Hybertie married Charles Sumner Hamlin (1861-1938) in 1898. Charles was a lawyer, delegate to three international peace conferences, and later, the first Governor appointed to the Federal Reserve Board in 1914.