From this site's Freeminers Register,

Record_Number: 2721
Forename: Thomas Milson
Surname: TOWNSEND
Calculated Year of Birth: 1877
Age: 21
Day: 26
Month: Feb
Year: 1898
Residence: Hillersland
Remarks: Certificate of Birth produced
Memorandum:
Soundex: T525

http://www.forest-of-dean.net/joomla/index.php/resources/register-of-freeminers

Suspect this is his Death, age & locality fits other records.

Deaths Apr/May/Jun 1923 (>99%)
Townsend Thomas M 46 Monmouth 11a 29

https://www.freebmd.org.uk/cgi/search.pl

Was it a mining accident ? - cannot find an Inquest for him on this site.

Try BNA site for local newspapers ??

There seem to be two children of this marriage, both on FODFHT,

Record_ID: 332419
Entry_Number: 275
Year: 1917
Month: Dec
Day: 16
Parents_Surname: TOWNSEND
Child_Forenames: Thomas Milson
Fathers_Forenames: Thomas Milson
Mothers_Forenames: Mary Eliza
Mothers_Surname:
Residence: Hillers Land
Occupation: Collier
Officiating_Minister: C Barnes
Event: Baptism
Memoranda: Born Oct 25 1917
Notes:
Register_Reference: P82 IN 1/6
Page_Number: 35
Parish_Chapel: Christchurch

Record_ID: 1052644
Entry_Number: 360
Year: 1922
Month: May
Day: 14
Parents_Surname: TOWNSEND
Child_Forenames: George William Charles
Fathers_Forenames: Thomas Milson
Mothers_Forenames: Mary Eliza
Mothers_Surname:
Residence: Bridewell
Occupation: Collier
Officiating_Minister: C Barnes
Event: Baptism
Memoranda: Born Aug 18 1921
Notes:
Register_Reference: P82 IN 1/6
Page_Number: 45
Parish_Chapel: Christchurch

Also , an indication that life as a widow may not have been easy,

BNA Gloucester Journal - Saturday 01 November 1930

COLEFORD PETTY SESSIONS Tuesday, before Mr. T. H. Deakin (in the chair), Major Perceval, Mrs. E. Hicks, Messrs. J. J. Joynes, W. A. Bennett, and E. B. Barter. Fines of 5/- and 10/- were imposed by the magistrates in a number of Education cases brought forward by the County authorities. The defendants were Charles Howard. Drybrook, near Coleford, summoned by Mr. Isaac Willis, Mary Eliza Townsend, The Scowles, summoned by Mr. Riley Brown and Ernest Bennett and Joseph Lane, of Lydbrook, summoned Mr. William Pace. Howard was fined 5/-, Mrs. Townsend 5/-, Ernest Bennett 10/-, and in the case of Lane, orders were made that the three children should attend school.