Dennis Conway was born about 1800 in Ireland. He appeared on the census in 1840 in Vinalhaven, Waldo Co., Maine. He appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine. age 50. He appeared on the census in 1860 in Vinalhaven, Knox Co., Maine. He appeared on the census in 1870 in Vinalhaven, Knox Co., Maine. age 70. He died after 1870. He was a fisherman. The Conways were listed in the 1800 census of Vinalhaven. He was married to Eliza Ann Young on 3 Nov 1833 in Matinicus, Knox Co., Maine.

Eliza Ann Young was born on 16 Nov 1809 in Matinicus, Hancock Co., Province of Maine, Massachusetts. She appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine. age 41. She appeared on the census in 1870 in Vinalhaven, Knox Co., Maine. age 60. She died after 1870. She was also known as Elisa Young. Children were:

i. Orin T. Conway was born about 1834. He appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine. age 15. He died in 1863. He was killed in the Civil War.
ii. Rufus Y. Conway was born about 1837. He appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine. age 13.
iii. Mary Catherine Conway was born about 1838 in Vinalhaven, Knox Co., Maine. She appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine. age 12.
iv. John Martin Conway was born about 1840 in Vinalhaven, Knox Co., Maine. He appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine. age 10. He was killed in the Civil War. He was 22 years old when he died.
v. Harriet Maria Conway.
vi. Elvira J. Conway was born about 1845 in Vinalhaven, Knox Co., Maine. She appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine. age 5.
vii. Hannah Susan Conway was born about 1846 in Vinalhaven, Knox Co., Maine. She appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine. age 4.
viii. Henry Elwell Conway was born about 1849 in Vinalhaven, Knox Co., Maine. He appeared on the census in 1850 in Vinalhaven, Waldo Co., Maine.