Hugh Douglas and Margaret Mathews b.1836

I am seekingto connect with anyone who may have information on the family ofHugh Douglas and Margaret Mathews.They were both born in 1836. They were married in Belfast, Ireland 1858..Their children were: Hugh, born in 1864,Thomas, born in 1867,Charles,born in 1874, Margaret, born in 1876. There may have been a son , John who possibly would have been their first born.Would appreciate further information.