If there is specific information such as the year William H. Bennett came to the USA and where he settled, (state, county and or city), it could be helpful. Here are some of the William Bennetts.
William H. Bennett
Head
United States Census, 1900
birth: June 1848 Ireland
residence: 1900 Castle Rock, Henefer, Upton Precincts, Summit, Utah, United States
immigration: 1853
spouse: Clarissa M. Bennett
children: William K. Bennett, Edward D. Bennett, Catharine Bennett, John A. Bennett, Ivan P. Bennett, Thomas P. Bennett
William H Bennett
United States Census, 1860
birth: 1848 Ireland
residence: 1860 Fort Edward, Washington, New York, United States
other: Peter Bennett, Margaret Bennett, James J Bennett, Mary Bennett, Michael J Bennett
William H. Bennett
Father
Ireland Births and Baptisms, 1620-1881
spouse: Catherine Jemima Bennett French
child: Henry Richard Harcourt Bennett
William H Bennett
Ireland Civil Registration Indexes, 1845-1958
marriage: January 1880 / March 1880 Belfast, Ireland
William H. Bennett
Father
Ireland Births and Baptisms, 1620-1881
spouse: Frances Jane Baston
child: Jane Barbara Bennett
William H. Bennett
Father
Ireland Births and Baptisms, 1620-1881
spouse: Catherine Jemima Bennett French
child: Henry Richard Harcourt Bennett
William H. Bennett
Father
Ireland Births and Baptisms, 1620-1881
spouse: Kathleen J. French Bennett
child: Digby Edward Bennett
William H Bennett
Father
Ireland Civil Registration, 1845-1913
spouse: Frances Jane Baston Bennett
child: Jane Barbara Bennett
William H Bennett
Ireland, Petty Sessions Court Registers, 1828-1912
court: 14 November 1907 Cavan, Ireland
William H Bennett
Ireland, Petty Sessions Court Registers, 1828-1912
court: 24 April 1908 Carlow, Ireland
William H Bennett
Ireland, Petty Sessions Court Registers, 1828-1912
court: 8 November 1907 Carlow, Ireland
William H Bennett
Ireland, Petty Sessions Court Registers, 1828-1912
court: 8 April 1910 Carlow, Ireland
William H Bennett
Ireland, Petty Sessions Court Registers, 1828-1912
court: 11 May 1906 Carlow, Ireland
William H Bennett
Ireland, Petty Sessions Court Registers, 1828-1912
court: 11 May 1906 Carlow, Ireland
William Bennett
Head
United States Census, 1930
birth: 1848 Ireland
residence: 1930 Medford, Middlesex, Massachusetts, United States
spouse: Nellie Bennett
children: Helen E Bennett, Ann M Bennett
William Bennett
Inmate
United States Census, 1920
birth: 1848 Ireland
residence: 1920 Buffalo Ward 20, Erie, New York, United States
William Bennett
Boarder
United States Census, 1910
birth: 1848 Ireland
residence: 1910 Denver Ward 2, Denver, Colorado, United States
immigration: 1866
other: W Alfred Thornburgh, Charles Beck, Herbert Herkert, Emil Johnson, John Linderson, David Anderson...
William Bennett
Boarder
United States Census, 1910
birth: 1848 Ireland
residence: 1910 St Louis Ward 5, St Louis (Independent City), Missouri, United States
immigration: 1867
other: Joseph Cook, George Tate, John Maloney, John Hurley, Benjamin Weed, John Miller...
William Bennett
Boarder
United States Census, 1910
birth: 1848 Ireland
residence: 1910 Ogden Ward 2, Weber, Utah, United States
immigration: 1855
other: William Daily, Shanna Daily, Irene Daily, Walter Daily, William Langser, Henry Young...