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William Denny, Junior (c1816-1854) of William Denny and Brothers
c1816 Born the son of William Denny
In business for several years as shipwright, then naval architect
1843 Went to America
1849 Denny Brothers was dissolved and William Denny and Brothers formed.
1851 Living at West Bridgend, Cardross, Dumbarton (age 35), Shipbuilder employing 300 men. With wife Mary (age 27) and children Mary (age 2) and Christina (age 6 months). Two servants. 
c1854 William died
1900 Mary Cumming Denny, of Dumbarton, died