128 entries have been contributed to by Ryan, Donald H:
- Gorton, Henry (1826-1870)
- Hadleigh, Suffolk
- Hall, Richard, OBE (1865-1927; e.m. 1886)
- Harlow, Essex
- Hastings, East Sussex
- Hatfield, Hertfordshire
- Hauxwell, Hannah Bayles Tallentire (1926-2018)
- Haverfordwest (Hwlffordd), Pembrokeshire
- Heath, Samuel (1816-1882)
- Henn, Silas (1822-1902)