Henry received the degree of A.B. from Union College, Schenectady, New York in 1848, and that of M.D. from the Medical Department of the University of Pennsylvania in Philadelphia in 1851. L.L.D. of Albert College of Western Reserve University, 1854. He practiced his profession in Cleveland, Ohio. Henry went into the military service in 1861, as surgeon major of the 7th Ohio Volunteer Infantry.

Henry Kirke Cushing (1827-1910), known as Kirke, was the eldest son of Erastus and Mary Ann Platt Cushing. After graduating from Union College in Schenectady, he studied medicine with his father and at the Cleveland Medical College. He then attended another course at the University of Pennsylvania, obtaining his M.D. Though he would have liked to stay in Philadelphia longer, he returned to Cleveland to practice with his father. An unremitting worker, his medical practice became quite prosperous. As a father himself, he was stern and strict and yet had wide-ranging interests and a good sense of humor.

1880 US Census: Cleveland, Cuyahoga, Ohio
Henry K. CUSHING1 Self M Male W 52 MA Physician MA MA
Bessie M. CUSHING2 Wife M Female W 52 NY Keeping House CT OH
William E. CUSHING3 Son S Male W 26 OH Lawyer MA NY
Alice K. CUSHING4 Dau S Female W 21 OH At Home MA NY
Henry CUSHING5 Son S Male W 19 OH At College MA NY
Eden S. CUSHING6 Son S Male W 17 OH At College MA NY
Geo. B. CUSHING7 Son S Male W 16 OH At Farm School MA NY
Allyne M. CUSHING8 Son S Male W 12 OH At School MA NY
Harvey W. CUSHING9 Son S Male W 11 OH At School MA NY

1900 US Census: Cleveland Ward 12, Cuyahoga, Ohio
Name: Henry K Cushing
Home in 1900: Cleveland Ward 12, Cuyahoga, Ohio
Age: 72
Birth Date: Jul 1827
Birthplace: Massachusetts
Race: White
Ethnicity: American
Relationship to head-of-house: Head
Father's Birthplace: Massachusetts
Mother's Birthplace: Massachusetts
Spouse's Name: Betsey M
Marriage Year: 1852
Marital Status: Married
Years Married: 48
Residence : Cleveland City, Cuyahoga, Ohio
Household Members:
Henry K Cushing 72
Betsey M Cushing 72
Alice K Cushing 41
Katherine K Gorman 29
Ella F Moore 21
Henry K Cushing Betsey M Jul 1827 Massachusetts White Head
Betsey M Cushing Henry K Mar 1828 New York White Wife
Alice K Cushing Henry K,Betsey M Feb 1859 Ohio White Daughter

More HENRY KIRKE CUSHING : BIOGRAPHY & PHOTOGRAPHS
http://freepages.genealogy.rootsweb.ancestry.com/~cushinc/henry1827.html

Sources:
1. The Genealogy of the Cushing Family (An account of the Ancestors and Descendants of Matthew Cushing, who came to America in 1638) by James Cushing, The Perrault Printing Co - Montreal, 1905. First Edition, 1877, by Lemuel Cushing, D1881 (Finished by his family) Pg 347, 506
2. 1880 US Census: Cleveland, Cuyahoga, Ohio
3. 1900 US Census: Cleveland Ward 12, Cuyahoga, Ohio
4. Harvey Cushing/John Hay Whitney Medical Library,
http://www.med.yale.edu/library/historical/cushing/family.html
5. FamilySearch: International Genealogical Index v5.0

• Married: 17 Jun 1852 in Cleveland, Cuyahoga, Ohio

1. Alice Kirke Cushing b: 23 Feb 1859 in Cleveland, Cuyahoga, Ohio
2. William Erastus Cushing b: 23 Sep 1853 in Cleveland, Cuyahoga, Ohio
3. Charlotte (Charlene) Cushing b: 20 Jan 1855 in Cleveland, Cuyahoga, Ohio
4. Julia Cushing b: 9 Mar 1856 in Cleveland, Cuyahoga, Ohio
5. Cornelia Briggs Cushing b: 26 Sep 1857 in Cleveland, Cuyahoga, Ohio
6. Henry Platt Cushing b: 10 Oct 1860 in Cleveland, Cuyahoga, Ohio
7. Edward Fitch (Eden S), Dr. Cushing b: 24 Jun 1862 in Cleveland, Cuyahoga, Ohio
8. George Briggs Cushing b: 26 Apr 1864 in Cleveland, Cuyahoga, Ohio
9. Allyne Maynard Cushing b: 5 Aug 1867 in Cleveland, Cuyahoga, Ohio
10. Harvey Williams, Dr. Cushing b: 8 Apr 1869 in Cleveland, Cuyahoga, Ohio