Mary Catherine Allan was born around 1828 in London.

Mary married Walter Mowett Judd in 1858 in Guilford, Surrey.

She had the following children from her marriage to Walter Mowett Judd:

- Walter Edgar Judd	born around 1862 at Woking.
- Albert Allan Judd	born around 1864 at Chertsey.

Details of Mary's death are not known.

Census Data:

Year	Address
1861	Heathside, Woking, Surrey.
1871	Eastworth Lane, Chertsey, Surrey.
1881	139, Wandsworth Road, Lambeth, Surrey.
1891	19, Lansdowne Gardens, Lambeth, London.
1901	19, Lansdowne Gardens, Lambeth, London.