The answer to this would depend on how much you earned through those means together. For more information please reference the below answer: 

https://ttlc.intuit.com/replies/3299920

Yes, your pension is income. You have a filing requirement. If your income is over the filing requirement, then yes, you must file.

Single 

• Under 65 $12,000
• 65 or older $13,600

Married filing jointly

• Under 65 (both spouses) $24,000
•  65 or older (one spouse) $25,300
•  65 or older (both spouses) $26,600

Married filing separately

• Any age $5

Head of household 

• Under 65 $18,000
•  65 or older $19,600

Qualifying widow(er) with dependent child

• Under 65 $24,000
•  65 or older $25,300